ost_field('post_status', $post_ID ); } else { $previous_status = 'new'; } $post_type = empty( $postarr['post_type'] ) ? 'post' : $postarr['post_type']; $post_title = $postarr['post_title']; $post_content = $postarr['post_content']; $post_excerpt = $postarr['post_excerpt']; if ( isset( $postarr['post_name'] ) ) { $post_name = $postarr['post_name']; } $maybe_empty = 'attachment' !== $post_type && ! $post_content && ! $post_title && ! $post_excerpt && post_type_supports( $post_type, 'editor' ) && post_type_supports( $post_type, 'title' ) && post_type_supports( $post_type, 'excerpt' ); /** * Filter whether the post should be considered "empty". * * The post is considered "empty" if both: * 1. The post type supports the title, editor, and excerpt fields * 2. The title, editor, and excerpt fields are all empty * * Returning a truthy value to the filter will effectively short-circuit * the new post being inserted, returning 0. If $wp_error is true, a WP_Error * will be returned instead. * * @since 3.3.0 * * @param bool $maybe_empty Whether the post should be considered "empty". * @param array $postarr Array of post data. */ if ( apply_filters( 'wp_insert_post_empty_content', $maybe_empty, $postarr ) ) { if ( $wp_error ) { return new WP_Error( 'empty_content', __( 'Content, title, and excerpt are empty.' ) ); } else { return 0; } } $post_status = empty( $postarr['post_status'] ) ? 'draft' : $postarr['post_status']; if ( 'attachment' === $post_type && ! in_array( $post_status, array( 'inherit', 'private', 'trash' ) ) ) { $post_status = 'inherit'; } if ( ! empty( $postarr['post_category'] ) ) { // Filter out empty terms. $post_category = array_filter( $postarr['post_category'] ); } // Make sure we set a valid category. if ( empty( $post_category ) || 0 == count( $post_category ) || ! is_array( $post_category ) ) { // 'post' requires at least one category. if ( 'post' == $post_type && 'auto-draft' != $post_status ) { $post_category = array( get_option('default_category') ); } else { $post_category = array(); } } // Don't allow contributors to set the post slug for pending review posts. if ( 'pending' == $post_status && !current_user_can( 'publish_posts' ) ) { $post_name = ''; } /* * Create a valid post name. Drafts and pending posts are allowed to have * an empty post name. */ if ( empty($post_name) ) { if ( !in_array( $post_status, array( 'draft', 'pending', 'auto-draft' ) ) ) { $post_name = sanitize_title($post_title); } else { $post_name = ''; } } else { // On updates, we need to check to see if it's using the old, fixed sanitization context. $check_name = sanitize_title( $post_name, '', 'old-save' ); if ( $update && strtolower( urlencode( $post_name ) ) == $check_name && get_post_field( 'post_name', $post_ID ) == $check_name ) { $post_name = $check_name; } else { // new post, or slug has changed. $post_name = sanitize_title($post_name); } } /* * If the post date is empty (due to having been new or a draft) and status * is not 'draft' or 'pending', set date to now. */ if ( empty( $postarr['post_date'] ) || '0000-00-00 00:00:00' == $postarr['post_date'] ) { $post_date = current_time( 'mysql' ); } else { $post_date = $postarr['post_date']; } // Validate the date. $mm = substr( $post_date, 5, 2 ); $jj = substr( $post_date, 8, 2 ); $aa = substr( $post_date, 0, 4 ); $valid_date = wp_checkdate( $mm, $jj, $aa, $post_date ); if ( ! $valid_date ) { if ( $wp_error ) { return new WP_Error( 'invalid_date', __( 'Whoops, the provided date is invalid.' ) ); } else { return 0; } } if ( empty( $postarr['post_date_gmt'] ) || '0000-00-00 00:00:00' == $postarr['post_date_gmt'] ) { if ( ! in_array( $post_status, array( 'draft', 'pending', 'auto-draft' ) ) ) { $post_date_gmt = get_gmt_from_date( $post_date ); } else { $post_date_gmt = '0000-00-00 00:00:00'; } } else { $post_date_gmt = $postarr['post_date_gmt']; } if ( $update || '0000-00-00 00:00:00' == $post_date ) { $post_modified = current_time( 'mysql' ); $post_modified_gmt = current_time( 'mysql', 1 ); } else { $post_modified = $post_date; $post_modified_gmt = $post_date_gmt; } if ( 'attachment' !== $post_type ) { if ( 'publish' == $post_status ) { $now = gmdate('Y-m-d H:i:59'); if ( mysql2date('U', $post_date_gmt, false) > mysql2date('U', $now, false) ) { $post_status = 'future'; } } elseif( 'future' == $post_status ) { $now = gmdate('Y-m-d H:i:59'); if ( mysql2date('U', $post_date_gmt, false) <= mysql2date('U', $now, false) ) { $post_status = 'publish'; } } } if ( empty( $postarr['comment_status'] ) ) { if ( $update ) { $comment_status = 'closed'; } else { $comment_status = get_option('default_comment_status'); } } else { $comment_status = $postarr['comment_status']; } // These variables are needed by compact() later. $post_content_filtered = $postarr['post_content_filtered']; $post_author = empty( $postarr['post_author'] ) ? $user_id : $postarr['post_author']; $ping_status = empty( $postarr['ping_status'] ) ? get_option( 'default_ping_status' ) : $postarr['ping_status']; $to_ping = isset( $postarr['to_ping'] ) ? sanitize_trackback_urls( $postarr['to_ping'] ) : ''; $pinged = isset( $postarr['pinged'] ) ? $postarr['pinged'] : ''; $import_id = isset( $postarr['import_id'] ) ? $postarr['import_id'] : 0; /* * The 'wp_insert_post_parent' filter expects all variables to be present. * Previously, these variables would have already been extracted */ if ( isset( $postarr['menu_order'] ) ) { $menu_order = (int) $postarr['menu_order']; } else { $menu_order = 0; } $post_password = isset( $postarr['post_password'] ) ? $postarr['post_password'] : ''; if ( 'private' == $post_status ) { $post_password = ''; } if ( isset( $postarr['post_parent'] ) ) { $post_parent = (int) $postarr['post_parent']; } else { $post_parent = 0; } /** * Filter the post parent -- used to check for and prevent hierarchy loops. * * @since 3.1.0 * * @param int $post_parent Post parent ID. * @param int $post_ID Post ID. * @param array $new_postarr Array of parsed post data. * @param array $postarr Array of sanitized, but otherwise unmodified post data. */ $post_parent = apply_filters( 'wp_insert_post_parent', $post_parent, $post_ID, compact( array_keys( $postarr ) ), $postarr ); $post_name = wp_unique_post_slug( $post_name, $post_ID, $post_status, $post_type, $post_parent ); // Don't unslash. $post_mime_type = isset( $postarr['post_mime_type'] ) ? $postarr['post_mime_type'] : ''; // Expected_slashed (everything!). $data = compact( 'post_author', 'post_date', 'post_date_gmt', 'post_content', 'post_content_filtered', 'post_title', 'post_excerpt', 'post_status', 'post_type', 'comment_status', 'ping_status', 'post_password', 'post_name', 'to_ping', 'pinged', 'post_modified', 'post_modified_gmt', 'post_parent', 'menu_order', 'post_mime_type', 'guid' ); if ( 'attachment' === $post_type ) { /** * Filter attachment post data before it is updated in or added to the database. * * @since 3.9.0 * * @param array $data An array of sanitized attachment post data. * @param array $postarr An array of unsanitized attachment post data. */ $data = apply_filters( 'wp_insert_attachment_data', $data, $postarr ); } else { /** * Filter slashed post data just before it is inserted into the database. * * @since 2.7.0 * * @param array $data An array of slashed post data. * @param array $postarr An array of sanitized, but otherwise unmodified post data. */ $data = apply_filters( 'wp_insert_post_data', $data, $postarr ); } $data = wp_unslash( $data ); $where = array( 'ID' => $post_ID ); if ( $update ) { /** * Fires immediately before an existing post is updated in the database. * * @since 2.5.0 * * @param int $post_ID Post ID. * @param array $data Array of unslashed post data. */ do_action( 'pre_post_update', $post_ID, $data ); if ( false === $wpdb->update( $wpdb->posts, $data, $where ) ) { if ( $wp_error ) { return new WP_Error('db_update_error', __('Could not update post in the database'), $wpdb->last_error); } else { return 0; } } } else { // If there is a suggested ID, use it if not already present. if ( ! empty( $import_id ) ) { $import_id = (int) $import_id; if ( ! $wpdb->get_var( $wpdb->prepare("SELECT ID FROM $wpdb->posts WHERE ID = %d", $import_id) ) ) { $data['ID'] = $import_id; } } if ( false === $wpdb->insert( $wpdb->posts, $data ) ) { if ( $wp_error ) { return new WP_Error('db_insert_error', __('Could not insert post into the database'), $wpdb->last_error); } else { return 0; } } $post_ID = (int) $wpdb->insert_id; // Use the newly generated $post_ID. $where = array( 'ID' => $post_ID ); } if ( empty( $data['post_name'] ) && ! in_array( $data['post_status'], array( 'draft', 'pending', 'auto-draft' ) ) ) { $data['post_name'] = sanitize_title( $data['post_title'], $post_ID ); $wpdb->update( $wpdb->posts, array( 'post_name' => $data['post_name'] ), $where ); } if ( is_object_in_taxonomy( $post_type, 'category' ) ) { wp_set_post_categories( $post_ID, $post_category ); } if ( isset( $postarr['tags_input'] ) && is_object_in_taxonomy( $post_type, 'post_tag' ) ) { wp_set_post_tags( $post_ID, $postarr['tags_input'] ); } // New-style support for all custom taxonomies. if ( ! empty( $postarr['tax_input'] ) ) { foreach ( $postarr['tax_input'] as $taxonomy => $tags ) { $taxonomy_obj = get_taxonomy($taxonomy); // array = hierarchical, string = non-hierarchical. if ( is_array( $tags ) ) { $tags = array_filter($tags); } if ( current_user_can( $taxonomy_obj->cap->assign_terms ) ) { wp_set_post_terms( $post_ID, $tags, $taxonomy ); } } } $current_guid = get_post_field( 'guid', $post_ID ); // Set GUID. if ( ! $update && '' == $current_guid ) { $wpdb->update( $wpdb->posts, array( 'guid' => get_permalink( $post_ID ) ), $where ); } if ( 'attachment' === $postarr['post_type'] ) { if ( ! empty( $postarr['file'] ) ) { update_attached_file( $post_ID, $postarr['file'] ); } if ( ! empty( $postarr['context'] ) ) { add_post_meta( $post_ID, '_wp_attachment_context', $postarr['context'], true ); } } clean_post_cache( $post_ID ); $post = get_post( $post_ID ); if ( ! empty( $postarr['page_template'] ) && 'page' == $data['post_type'] ) { $post->page_template = $postarr['page_template']; $page_templates = wp_get_theme()->get_page_templates( $post ); if ( 'default' != $postarr['page_template'] && ! isset( $page_templates[ $postarr['page_template'] ] ) ) { if ( $wp_error ) { return new WP_Error('invalid_page_template', __('The page template is invalid.')); } else { return 0; } } update_post_meta( $post_ID, '_wp_page_template', $postarr['page_template'] ); } if ( 'attachment' !== $postarr['post_type'] ) { wp_transition_post_status( $data['post_status'], $previous_status, $post ); } else { if ( $update ) { /** * Fires once an existing attachment has been updated. * * @since 2.0.0 * * @param int $post_ID Attachment ID. */ do_action( 'edit_attachment', $post_ID ); } else { /** * Fires once an attachment has been added. * * @since 2.0.0 * * @param int $post_ID Attachment ID. */ do_action( 'add_attachment', $post_ID ); } return $post_ID; } if ( $update ) { /** * Fires once an existing post has been updated. * * @since 1.2.0 * * @param int $post_ID Post ID. * @param WP_Post $post Post object. */ do_action( 'edit_post', $post_ID, $post ); $post_after = get_post($post_ID); /** * Fires once an existing post has been updated. * * @since 3.0.0 * * @param int $post_ID Post ID. * @param WP_Post $post_after Post object following the update. * @param WP_Post $post_before Post object before the update. */ do_action( 'post_updated', $post_ID, $post_after, $post_before); } /** * Fires once a post has been saved. * * The dynamic portion of the hook name, `$post->post_type`, refers to * the post type slug. * * @since 3.7.0 * * @param int $post_ID Post ID. * @param WP_Post $post Post object. * @param bool $update Whether this is an existing post being updated or not. */ do_action( "save_post_{$post->post_type}", $post_ID, $post, $update ); /** * Fires once a post has been saved. * * @since 1.5.0 * * @param int $post_ID Post ID. * @param WP_Post $post Post object. * @param bool $update Whether this is an existing post being updated or not. */ do_action( 'save_post', $post_ID, $post, $update ); /** * Fires once a post has been saved. * * @since 2.0.0 * * @param int $post_ID Post ID. * @param WP_Post $post Post object. * @param bool $update Whether this is an existing post being updated or not. */ do_action( 'wp_insert_post', $post_ID, $post, $update ); return $post_ID; } /** * Update a post with new post data. * * The date does not have to be set for drafts. You can set the date and it will * not be overridden. * * @since 1.0.0 * * @param array|object $postarr Optional. Post data. Arrays are expected to be escaped, * objects are not. Default array. * @param bool $wp_error Optional. Allow return of WP_Error on failure. Default false. * @return int|WP_Error The value 0 or WP_Error on failure. The post ID on success. */ function wp_update_post( $postarr = array(), $wp_error = false ) { if ( is_object($postarr) ) { // Non-escaped post was passed. $postarr = get_object_vars($postarr); $postarr = wp_slash($postarr); } // First, get all of the original fields. $post = get_post($postarr['ID'], ARRAY_A); if ( is_null( $post ) ) { if ( $wp_error ) return new WP_Error( 'invalid_post', __( 'Invalid post ID.' ) ); return 0; } // Escape data pulled from DB. $post = wp_slash($post); // Passed post category list overwrites existing category list if not empty. if ( isset($postarr['post_category']) && is_array($postarr['post_category']) && 0 != count($postarr['post_category']) ) $post_cats = $postarr['post_category']; else $post_cats = $post['post_category']; // Drafts shouldn't be assigned a date unless explicitly done so by the user. if ( isset( $post['post_status'] ) && in_array($post['post_status'], array('draft', 'pending', 'auto-draft')) && empty($postarr['edit_date']) && ('0000-00-00 00:00:00' == $post['post_date_gmt']) ) $clear_date = true; else $clear_date = false; // Merge old and new fields with new fields overwriting old ones. $postarr = array_merge($post, $postarr); $postarr['post_category'] = $post_cats; if ( $clear_date ) { $postarr['post_date'] = current_time('mysql'); $postarr['post_date_gmt'] = ''; } if ($postarr['post_type'] == 'attachment') return wp_insert_attachment($postarr); return wp_insert_post( $postarr, $wp_error ); } /** * Publish a post by transitioning the post status. * * @since 2.1.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param int|WP_Post $post Post ID or post object. */ function wp_publish_post( $post ) { global $wpdb; if ( ! $post = get_post( $post ) ) return; if ( 'publish' == $post->post_status ) return; $wpdb->update( $wpdb->posts, array( 'post_status' => 'publish' ), array( 'ID' => $post->ID ) ); clean_post_cache( $post->ID ); $old_status = $post->post_status; $post->post_status = 'publish'; wp_transition_post_status( 'publish', $old_status, $post ); /** This action is documented in wp-includes/post.php */ do_action( 'edit_post', $post->ID, $post ); /** This action is documented in wp-includes/post.php */ do_action( "save_post_{$post->post_type}", $post->ID, $post, true ); /** This action is documented in wp-includes/post.php */ do_action( 'save_post', $post->ID, $post, true ); /** This action is documented in wp-includes/post.php */ do_action( 'wp_insert_post', $post->ID, $post, true ); } /** * Publish future post and make sure post ID has future post status. * * Invoked by cron 'publish_future_post' event. This safeguard prevents cron * from publishing drafts, etc. * * @since 2.5.0 * * @param int|WP_Post $post_id Post ID or post object. * @return null Nothing is returned. Which can mean that no action is required * or post was published. */ function check_and_publish_future_post( $post_id ) { $post = get_post($post_id); if ( empty($post) ) return; if ( 'future' != $post->post_status ) return; $time = strtotime( $post->post_date_gmt . ' GMT' ); // Uh oh, someone jumped the gun! if ( $time > time() ) { wp_clear_scheduled_hook( 'publish_future_post', array( $post_id ) ); // clear anything else in the system wp_schedule_single_event( $time, 'publish_future_post', array( $post_id ) ); return; } return wp_publish_post($post_id); } /** * Computes a unique slug for the post, when given the desired slug and some post details. * * @since 2.8.0 * * @global wpdb $wpdb WordPress database abstraction object. * @global WP_Rewrite $wp_rewrite * * @param string $slug The desired slug (post_name). * @param int $post_ID Post ID. * @param string $post_status No uniqueness checks are made if the post is still draft or pending. * @param string $post_type Post type. * @param int $post_parent Post parent ID. * @return string Unique slug for the post, based on $post_name (with a -1, -2, etc. suffix) */ function wp_unique_post_slug( $slug, $post_ID, $post_status, $post_type, $post_parent ) { if ( in_array( $post_status, array( 'draft', 'pending', 'auto-draft' ) ) || ( 'inherit' == $post_status && 'revision' == $post_type ) ) return $slug; global $wpdb, $wp_rewrite; $original_slug = $slug; $feeds = $wp_rewrite->feeds; if ( ! is_array( $feeds ) ) $feeds = array(); if ( 'attachment' == $post_type ) { // Attachment slugs must be unique across all types. $check_sql = "SELECT post_name FROM $wpdb->posts WHERE post_name = %s AND ID != %d LIMIT 1"; $post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $slug, $post_ID ) ); /** * Filter whether the post slug would make a bad attachment slug. * * @since 3.1.0 * * @param bool $bad_slug Whether the slug would be bad as an attachment slug. * @param string $slug The post slug. */ if ( $post_name_check || in_array( $slug, $feeds ) || apply_filters( 'wp_unique_post_slug_is_bad_attachment_slug', false, $slug ) ) { $suffix = 2; do { $alt_post_name = _truncate_post_slug( $slug, 200 - ( strlen( $suffix ) + 1 ) ) . "-$suffix"; $post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $alt_post_name, $post_ID ) ); $suffix++; } while ( $post_name_check ); $slug = $alt_post_name; } } elseif ( is_post_type_hierarchical( $post_type ) ) { if ( 'nav_menu_item' == $post_type ) return $slug; /* * Page slugs must be unique within their own trees. Pages are in a separate * namespace than posts so page slugs are allowed to overlap post slugs. */ $check_sql = "SELECT post_name FROM $wpdb->posts WHERE post_name = %s AND post_type IN ( %s, 'attachment' ) AND ID != %d AND post_parent = %d LIMIT 1"; $post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $slug, $post_type, $post_ID, $post_parent ) ); /** * Filter whether the post slug would make a bad hierarchical post slug. * * @since 3.1.0 * * @param bool $bad_slug Whether the post slug would be bad in a hierarchical post context. * @param string $slug The post slug. * @param string $post_type Post type. * @param int $post_parent Post parent ID. */ if ( $post_name_check || in_array( $slug, $feeds ) || preg_match( "@^($wp_rewrite->pagination_base)?\d+$@", $slug ) || apply_filters( 'wp_unique_post_slug_is_bad_hierarchical_slug', false, $slug, $post_type, $post_parent ) ) { $suffix = 2; do { $alt_post_name = _truncate_post_slug( $slug, 200 - ( strlen( $suffix ) + 1 ) ) . "-$suffix"; $post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $alt_post_name, $post_type, $post_ID, $post_parent ) ); $suffix++; } while ( $post_name_check ); $slug = $alt_post_name; } } else { // Post slugs must be unique across all posts. $check_sql = "SELECT post_name FROM $wpdb->posts WHERE post_name = %s AND post_type = %s AND ID != %d LIMIT 1"; $post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $slug, $post_type, $post_ID ) ); /** * Filter whether the post slug would be bad as a flat slug. * * @since 3.1.0 * * @param bool $bad_slug Whether the post slug would be bad as a flat slug. * @param string $slug The post slug. * @param string $post_type Post type. */ if ( $post_name_check || in_array( $slug, $feeds ) || apply_filters( 'wp_unique_post_slug_is_bad_flat_slug', false, $slug, $post_type ) ) { $suffix = 2; do { $alt_post_name = _truncate_post_slug( $slug, 200 - ( strlen( $suffix ) + 1 ) ) . "-$suffix"; $post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $alt_post_name, $post_type, $post_ID ) ); $suffix++; } while ( $post_name_check ); $slug = $alt_post_name; } } /** * Filter the unique post slug. * * @since 3.3.0 * * @param string $slug The post slug. * @param int $post_ID Post ID. * @param string $post_status The post status. * @param string $post_type Post type. * @param int $post_parent Post parent ID * @param string $original_slug The original post slug. */ return apply_filters( 'wp_unique_post_slug', $slug, $post_ID, $post_status, $post_type, $post_parent, $original_slug ); } /** * Truncate a post slug. * * @since 3.6.0 * @access private * * @see utf8_uri_encode() * * @param string $slug The slug to truncate. * @param int $length Optional. Max length of the slug. Default 200 (characters). * @return string The truncated slug. */ function _truncate_post_slug( $slug, $length = 200 ) { if ( strlen( $slug ) > $length ) { $decoded_slug = urldecode( $slug ); if ( $decoded_slug === $slug ) $slug = substr( $slug, 0, $length ); else $slug = utf8_uri_encode( $decoded_slug, $length ); } return rtrim( $slug, '-' ); } /** * Add tags to a post. * * @see wp_set_post_tags() * * @since 2.3.0 * * @param int $post_id Optional. The Post ID. Does not default to the ID of the global $post. * Default 0. * @param string $tags Optional. The tags to set for the post, separated by commas. Default empty. * @return bool|null Will return false if $post_id is not an integer or is 0. Will return null otherwise. */ function wp_add_post_tags( $post_id = 0, $tags = '' ) { return wp_set_post_tags($post_id, $tags, true); } /** * Set the tags for a post. * * @since 2.3.0 * * @see wp_set_object_terms() * * @param int $post_id Optional. The Post ID. Does not default to the ID of the global $post. * @param string $tags Optional. The tags to set for the post, separated by commas. * Default empty. * @param bool $append Optional. If true, don't delete existing tags, just add on. If false, * replace the tags with the new tags. Default false. * @return mixed Array of affected term IDs. WP_Error or false on failure. */ function wp_set_post_tags( $post_id = 0, $tags = '', $append = false ) { return wp_set_post_terms( $post_id, $tags, 'post_tag', $append); } /** * Set the terms for a post. * * @since 2.8.0 * * @see wp_set_object_terms() * * @param int $post_id Optional. The Post ID. Does not default to the ID of the global $post. * @param string $tags Optional. The tags to set for the post, separated by commas. Default empty. * @param string $taxonomy Optional. Taxonomy name. Default 'post_tag'. * @param bool $append Optional. If true, don't delete existing tags, just add on. If false, * replace the tags with the new tags. Default false. * @return mixed Array of affected term IDs. WP_Error or false on failure. */ function wp_set_post_terms( $post_id = 0, $tags = '', $taxonomy = 'post_tag', $append = false ) { $post_id = (int) $post_id; if ( !$post_id ) return false; if ( empty($tags) ) $tags = array(); if ( ! is_array( $tags ) ) { $comma = _x( ',', 'tag delimiter' ); if ( ',' !== $comma ) $tags = str_replace( $comma, ',', $tags ); $tags = explode( ',', trim( $tags, " \n\t\r\0\x0B," ) ); } /* * Hierarchical taxonomies must always pass IDs rather than names so that * children with the same names but different parents aren't confused. */ if ( is_taxonomy_hierarchical( $taxonomy ) ) { $tags = array_unique( array_map( 'intval', $tags ) ); } return wp_set_object_terms( $post_id, $tags, $taxonomy, $append ); } /** * Set categories for a post. * * If the post categories parameter is not set, then the default category is * going used. * * @since 2.1.0 * * @param int $post_ID Optional. The Post ID. Does not default to the ID * of the global $post. Default 0. * @param array|int $post_categories Optional. List of categories or ID of category. * Default empty array. * @param bool $append If true, don't delete existing categories, just add on. * If false, replace the categories with the new categories. * @return bool|mixed */ function wp_set_post_categories( $post_ID = 0, $post_categories = array(), $append = false ) { $post_ID = (int) $post_ID; $post_type = get_post_type( $post_ID ); $post_status = get_post_status( $post_ID ); // If $post_categories isn't already an array, make it one: $post_categories = (array) $post_categories; if ( empty( $post_categories ) ) { if ( 'post' == $post_type && 'auto-draft' != $post_status ) { $post_categories = array( get_option('default_category') ); $append = false; } else { $post_categories = array(); } } else if ( 1 == count($post_categories) && '' == reset($post_categories) ) { return true; } return wp_set_post_terms( $post_ID, $post_categories, 'category', $append ); } /** * Transition the post status of a post. * * Calls hooks to transition post status. * * The first is 'transition_post_status' with new status, old status, and post data. * * The next action called is 'OLDSTATUS_to_NEWSTATUS' the 'NEWSTATUS' is the * $new_status parameter and the 'OLDSTATUS' is $old_status parameter; it has the * post data. * * The final action is named 'NEWSTATUS_POSTTYPE', 'NEWSTATUS' is from the $new_status * parameter and POSTTYPE is post_type post data. * * @since 2.3.0 * * @param string $new_status Transition to this post status. * @param string $old_status Previous post status. * @param WP_Post $post Post data. */ function wp_transition_post_status( $new_status, $old_status, $post ) { /** * Fires when a post is transitioned from one status to another. * * @since 2.3.0 * * @param string $new_status New post status. * @param string $old_status Old post status. * @param WP_Post $post Post object. */ do_action( 'transition_post_status', $new_status, $old_status, $post ); /** * Fires when a post is transitioned from one status to another. * * The dynamic portions of the hook name, `$new_status` and `$old status`, * refer to the old and new post statuses, respectively. * * @since 2.3.0 * * @param WP_Post $post Post object. */ do_action( "{$old_status}_to_{$new_status}", $post ); /** * Fires when a post is transitioned from one status to another. * * The dynamic portions of the hook name, `$new_status` and `$post->post_type`, * refer to the new post status and post type, respectively. * * @since 2.3.0 * * @param int $post_id Post ID. * @param WP_Post $post Post object. */ do_action( "{$new_status}_{$post->post_type}", $post->ID, $post ); } // // Trackback and ping functions // /** * Add a URL to those already pinged. * * @since 1.5.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param int $post_id Post ID. * @param string $uri Ping URI. * @return int How many rows were updated. */ function add_ping( $post_id, $uri ) { global $wpdb; $pung = $wpdb->get_var( $wpdb->prepare( "SELECT pinged FROM $wpdb->posts WHERE ID = %d", $post_id )); $pung = trim($pung); $pung = preg_split('/\s/', $pung); $pung[] = $uri; $new = implode("\n", $pung); /** * Filter the new ping URL to add for the given post. * * @since 2.0.0 * * @param string $new New ping URL to add. */ $new = apply_filters( 'add_ping', $new ); // expected_slashed ($new). $new = wp_unslash($new); return $wpdb->update( $wpdb->posts, array( 'pinged' => $new ), array( 'ID' => $post_id ) ); } /** * Retrieve enclosures already enclosed for a post. * * @since 1.5.0 * * @param int $post_id Post ID. * @return array List of enclosures. */ function get_enclosed( $post_id ) { $custom_fields = get_post_custom( $post_id ); $pung = array(); if ( !is_array( $custom_fields ) ) return $pung; foreach ( $custom_fields as $key => $val ) { if ( 'enclosure' != $key || !is_array( $val ) ) continue; foreach( $val as $enc ) { $enclosure = explode( "\n", $enc ); $pung[] = trim( $enclosure[ 0 ] ); } } /** * Filter the list of enclosures already enclosed for the given post. * * @since 2.0.0 * * @param array $pung Array of enclosures for the given post. * @param int $post_id Post ID. */ $pung = apply_filters( 'get_enclosed', $pung, $post_id ); return $pung; } /** * Retrieve URLs already pinged for a post. * * @since 1.5.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param int $post_id Post ID. * @return array */ function get_pung( $post_id ) { global $wpdb; $pung = $wpdb->get_var( $wpdb->prepare( "SELECT pinged FROM $wpdb->posts WHERE ID = %d", $post_id )); $pung = trim($pung); $pung = preg_split('/\s/', $pung); /** * Filter the list of already-pinged URLs for the given post. * * @since 2.0.0 * * @param array $pung Array of URLs already pinged for the given post. */ $pung = apply_filters( 'get_pung', $pung ); return $pung; } /** * Retrieve URLs that need to be pinged. * * @since 1.5.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param int $post_id Post ID * @return array */ function get_to_ping( $post_id ) { global $wpdb; $to_ping = $wpdb->get_var( $wpdb->prepare( "SELECT to_ping FROM $wpdb->posts WHERE ID = %d", $post_id )); $to_ping = sanitize_trackback_urls( $to_ping ); $to_ping = preg_split('/\s/', $to_ping, -1, PREG_SPLIT_NO_EMPTY); /** * Filter the list of URLs yet to ping for the given post. * * @since 2.0.0 * * @param array $to_ping List of URLs yet to ping. */ $to_ping = apply_filters( 'get_to_ping', $to_ping ); return $to_ping; } /** * Do trackbacks for a list of URLs. * * @since 1.0.0 * * @param string $tb_list Comma separated list of URLs. * @param int $post_id Post ID. */ function trackback_url_list( $tb_list, $post_id ) { if ( ! empty( $tb_list ) ) { // Get post data. $postdata = get_post( $post_id, ARRAY_A ); // Form an excerpt. $excerpt = strip_tags( $postdata['post_excerpt'] ? $postdata['post_excerpt'] : $postdata['post_content'] ); if ( strlen( $excerpt ) > 255 ) { $excerpt = substr( $excerpt, 0, 252 ) . '…'; } $trackback_urls = explode( ',', $tb_list ); foreach( (array) $trackback_urls as $tb_url ) { $tb_url = trim( $tb_url ); trackback( $tb_url, wp_unslash( $postdata['post_title'] ), $excerpt, $post_id ); } } } // // Page functions // /** * Get a list of page IDs. * * @since 2.0.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @return array List of page IDs. */ function get_all_page_ids() { global $wpdb; $page_ids = wp_cache_get('all_page_ids', 'posts'); if ( ! is_array( $page_ids ) ) { $page_ids = $wpdb->get_col("SELECT ID FROM $wpdb->posts WHERE post_type = 'page'"); wp_cache_add('all_page_ids', $page_ids, 'posts'); } return $page_ids; } /** * Retrieves page data given a page ID or page object. * * Use get_post() instead of get_page(). * * @since 1.5.1 * @deprecated 3.5.0 Use get_post() * * @param mixed $page Page object or page ID. Passed by reference. * @param string $output Optional. What to output. Accepts OBJECT, ARRAY_A, or ARRAY_N. * Default OBJECT. * @param string $filter Optional. How the return value should be filtered. Accepts 'raw', * 'edit', 'db', 'display'. Default 'raw'. * @return WP_Post|null WP_Post on success or null on failure. */ function get_page( $page, $output = OBJECT, $filter = 'raw') { return get_post( $page, $output, $filter ); } /** * Retrieves a page given its path. * * @since 2.1.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param string $page_path Page path. * @param string $output Optional. Output type. Accepts OBJECT, ARRAY_N, or ARRAY_A. * Default OBJECT. * @param string|array $post_type Optional. Post type or array of post types. Default 'page'. * @return WP_Post|null WP_Post on success or null on failure. */ function get_page_by_path( $page_path, $output = OBJECT, $post_type = 'page' ) { global $wpdb; $page_path = rawurlencode(urldecode($page_path)); $page_path = str_replace('%2F', '/', $page_path); $page_path = str_replace('%20', ' ', $page_path); $parts = explode( '/', trim( $page_path, '/' ) ); $parts = esc_sql( $parts ); $parts = array_map( 'sanitize_title_for_query', $parts ); $in_string = "'" . implode( "','", $parts ) . "'"; if ( is_array( $post_type ) ) { $post_types = $post_type; } else { $post_types = array( $post_type, 'attachment' ); } $post_types = esc_sql( $post_types ); $post_type_in_string = "'" . implode( "','", $post_types ) . "'"; $sql = " SELECT ID, post_name, post_parent, post_type FROM $wpdb->posts WHERE post_name IN ($in_string) AND post_type IN ($post_type_in_string) "; $pages = $wpdb->get_results( $sql, OBJECT_K ); $revparts = array_reverse( $parts ); $foundid = 0; foreach ( (array) $pages as $page ) { if ( $page->post_name == $revparts[0] ) { $count = 0; $p = $page; while ( $p->post_parent != 0 && isset( $pages[ $p->post_parent ] ) ) { $count++; $parent = $pages[ $p->post_parent ]; if ( ! isset( $revparts[ $count ] ) || $parent->post_name != $revparts[ $count ] ) break; $p = $parent; } if ( $p->post_parent == 0 && $count+1 == count( $revparts ) && $p->post_name == $revparts[ $count ] ) { $foundid = $page->ID; if ( $page->post_type == $post_type ) break; } } } if ( $foundid ) return get_post( $foundid, $output ); return null; } /** * Retrieve a page given its title. * * @since 2.1.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param string $page_title Page title * @param string $output Optional. Output type. OBJECT, ARRAY_N, or ARRAY_A. * Default OBJECT. * @param string|array $post_type Optional. Post type or array of post types. Default 'page'. * @return WP_Post|null WP_Post on success or null on failure */ function get_page_by_title( $page_title, $output = OBJECT, $post_type = 'page' ) { global $wpdb; if ( is_array( $post_type ) ) { $post_type = esc_sql( $post_type ); $post_type_in_string = "'" . implode( "','", $post_type ) . "'"; $sql = $wpdb->prepare( " SELECT ID FROM $wpdb->posts WHERE post_title = %s AND post_type IN ($post_type_in_string) ", $page_title ); } else { $sql = $wpdb->prepare( " SELECT ID FROM $wpdb->posts WHERE post_title = %s AND post_type = %s ", $page_title, $post_type ); } $page = $wpdb->get_var( $sql ); if ( $page ) return get_post( $page, $output ); return null; } /** * Retrieve child pages from list of pages matching page ID. * * Matches against the pages parameter against the page ID. Also matches all * children for the same to retrieve all children of a page. Does not make any * SQL queries to get the children. * * @since 1.5.1 * * @param int $page_id Page ID. * @param array $pages List of pages' objects. * @return array List of page children. */ function get_page_children( $page_id, $pages ) { $page_list = array(); foreach ( (array) $pages as $page ) { if ( $page->post_parent == $page_id ) { $page_list[] = $page; if ( $children = get_page_children( $page->ID, $pages ) ) { $page_list = array_merge( $page_list, $children ); } } } return $page_list; } /** * Order the pages with children under parents in a flat list. * * It uses auxiliary structure to hold parent-children relationships and * runs in O(N) complexity * * @since 2.0.0 * * @param array $pages Posts array, passed by reference. * @param int $page_id Optional. Parent page ID. Default 0. * @return array A list arranged by hierarchy. Children immediately follow their parents. */ function get_page_hierarchy( &$pages, $page_id = 0 ) { if ( empty( $pages ) ) { $result = array(); return $result; } $children = array(); foreach ( (array) $pages as $p ) { $parent_id = intval( $p->post_parent ); $children[ $parent_id ][] = $p; } $result = array(); _page_traverse_name( $page_id, $children, $result ); return $result; } /** * Traverse and return all the nested children post names of a root page. * * $children contains parent-children relations * * @since 2.9.0 * * @see _page_traverse_name() * * @param int $page_id Page ID. * @param array &$children Parent-children relations, passed by reference. * @param array &$result Result, passed by reference. */ function _page_traverse_name( $page_id, &$children, &$result ){ if ( isset( $children[ $page_id ] ) ){ foreach( (array)$children[ $page_id ] as $child ) { $result[ $child->ID ] = $child->post_name; _page_traverse_name( $child->ID, $children, $result ); } } } /** * Build URI for a page. * * Sub pages will be in the "directory" under the parent page post name. * * @since 1.5.0 * * @param WP_Post|object|int $page Page object or page ID. * @return string|false Page URI, false on error. */ function get_page_uri( $page ) { $page = get_post( $page ); if ( ! $page ) return false; $uri = $page->post_name; foreach ( $page->ancestors as $parent ) { $uri = get_post( $parent )->post_name . '/' . $uri; } return $uri; } /** * Retrieve a list of pages. * * @global wpdb $wpdb WordPress database abstraction object. * * @since 1.5.0 * * @param array|string $args { * Optional. Array or string of arguments to retrieve pages. * * @type int $child_of Page ID to return child and grandchild pages of. * Default 0, or no restriction. * @type string $sort_order How to sort retrieved pages. Accepts 'ASC', 'DESC'. Default 'ASC'. * @type string $sort_column What columns to sort pages by, comma-separated. Accepts 'post_author', * 'post_date', 'post_title', 'post_name', 'post_modified', 'menu_order', * 'post_modified_gmt', 'post_parent', 'ID', 'rand', 'comment_count'. * 'post_' can be omitted for any values that start with it. * Default 'post_title'. * @type bool $hierarchical Whether to return pages hierarchically. Default true. * @type array $exclude Array of page IDs to exclude. Default empty array. * @type array $include Array of page IDs to include. Cannot be used with `$child_of`, * `$parent`, `$exclude`, `$meta_key`, `$meta_value`, or `$hierarchical`. * Default empty array. * @type string $meta_key Only include pages with this meta key. Default empty. * @type string $meta_value Only include pages with this meta value. Requires `$meta_key`. * Default empty. * @type string $authors A comma-separated list of author IDs. Default empty. * @type int $parent Page ID to return direct children of. `$hierarchical` must be false. * Default -1, or no restriction. * @type string|array $exclude_tree Comma-separated string or array of page IDs to exclude. * Default empty array. * @type int $number The number of pages to return. Default 0, or all pages. * @type int $offset The number of pages to skip before returning. Requires `$number`. * Default 0. * @type string $post_type The post type to query. Default 'page'. * @type string $post_status A comma-separated list of post status types to include. * Default 'publish'. * } * @return array List of pages matching defaults or `$args`. */ function get_pages( $args = array() ) { global $wpdb; $defaults = array( 'child_of' => 0, 'sort_order' => 'ASC', 'sort_column' => 'post_title', 'hierarchical' => 1, 'exclude' => array(), 'include' => array(), 'meta_key' => '', 'meta_value' => '', 'authors' => '', 'parent' => -1, 'exclude_tree' => array(), 'number' => '', 'offset' => 0, 'post_type' => 'page', 'post_status' => 'publish', ); $r = wp_parse_args( $args, $defaults ); $number = (int) $r['number']; $offset = (int) $r['offset']; $child_of = (int) $r['child_of']; $hierarchical = $r['hierarchical']; $exclude = $r['exclude']; $meta_key = $r['meta_key']; $meta_value = $r['meta_value']; $parent = $r['parent']; $post_status = $r['post_status']; // Make sure the post type is hierarchical. $hierarchical_post_types = get_post_types( array( 'hierarchical' => true ) ); if ( ! in_array( $r['post_type'], $hierarchical_post_types ) ) { return false; } if ( $parent > 0 && ! $child_of ) { $hierarchical = false; } // Make sure we have a valid post status. if ( ! is_array( $post_status ) ) { $post_status = explode( ',', $post_status ); } if ( array_diff( $post_status, get_post_stati() ) ) { return false; } // $args can be whatever, only use the args defined in defaults to compute the key. $key = md5( serialize( wp_array_slice_assoc( $r, array_keys( $defaults ) ) ) ); $last_changed = wp_cache_get( 'last_changed', 'posts' ); if ( ! $last_changed ) { $last_changed = microtime(); wp_cache_set( 'last_changed', $last_changed, 'posts' ); } $cache_key = "get_pages:$key:$last_changed"; if ( $cache = wp_cache_get( $cache_key, 'posts' ) ) { // Convert to WP_Post instances. $pages = array_map( 'get_post', $cache ); /** This filter is documented in wp-includes/post.php */ $pages = apply_filters( 'get_pages', $pages, $r ); return $pages; } $inclusions = ''; if ( ! empty( $r['include'] ) ) { $child_of = 0; //ignore child_of, parent, exclude, meta_key, and meta_value params if using include $parent = -1; $exclude = ''; $meta_key = ''; $meta_value = ''; $hierarchical = false; $incpages = wp_parse_id_list( $r['include'] ); if ( ! empty( $incpages ) ) { $inclusions = ' AND ID IN (' . implode( ',', $incpages ) . ')'; } } $exclusions = ''; if ( ! empty( $exclude ) ) { $expages = wp_parse_id_list( $exclude ); if ( ! empty( $expages ) ) { $exclusions = ' AND ID NOT IN (' . implode( ',', $expages ) . ')'; } } $author_query = ''; if ( ! empty( $r['authors'] ) ) { $post_authors = preg_split( '/[\s,]+/', $r['authors'] ); if ( ! empty( $post_authors ) ) { foreach ( $post_authors as $post_author ) { //Do we have an author id or an author login? if ( 0 == intval($post_author) ) { $post_author = get_user_by('login', $post_author); if ( empty( $post_author ) ) { continue; } if ( empty( $post_author->ID ) ) { continue; } $post_author = $post_author->ID; } if ( '' == $author_query ) { $author_query = $wpdb->prepare(' post_author = %d ', $post_author); } else { $author_query .= $wpdb->prepare(' OR post_author = %d ', $post_author); } } if ( '' != $author_query ) { $author_query = " AND ($author_query)"; } } } $join = ''; $where = "$exclusions $inclusions "; if ( '' !== $meta_key || '' !== $meta_value ) { $join = " LEFT JOIN $wpdb->postmeta ON ( $wpdb->posts.ID = $wpdb->postmeta.post_id )"; // meta_key and meta_value might be slashed $meta_key = wp_unslash($meta_key); $meta_value = wp_unslash($meta_value); if ( '' !== $meta_key ) { $where .= $wpdb->prepare(" AND $wpdb->postmeta.meta_key = %s", $meta_key); } if ( '' !== $meta_value ) { $where .= $wpdb->prepare(" AND $wpdb->postmeta.meta_value = %s", $meta_value); } } if ( is_array( $parent ) ) { $post_parent__in = implode( ',', array_map( 'absint', (array) $parent ) ); if ( ! empty( $post_parent__in ) ) { $where .= " AND post_parent IN ($post_parent__in)"; } } elseif ( $parent >= 0 ) { $where .= $wpdb->prepare(' AND post_parent = %d ', $parent); } if ( 1 == count( $post_status ) ) { $where_post_type = $wpdb->prepare( "post_type = %s AND post_status = %s", $r['post_type'], array_shift( $post_status ) ); } else { $post_status = implode( "', '", $post_status ); $where_post_type = $wpdb->prepare( "post_type = %s AND post_status IN ('$post_status')", $r['post_type'] ); } $orderby_array = array(); $allowed_keys = array( 'author', 'post_author', 'date', 'post_date', 'title', 'post_title', 'name', 'post_name', 'modified', 'post_modified', 'modified_gmt', 'post_modified_gmt', 'menu_order', 'parent', 'post_parent', 'ID', 'rand', 'comment_count' ); foreach ( explode( ',', $r['sort_column'] ) as $orderby ) { $orderby = trim( $orderby ); if ( ! in_array( $orderby, $allowed_keys ) ) { continue; } switch ( $orderby ) { case 'menu_order': break; case 'ID': $orderby = "$wpdb->posts.ID"; break; case 'rand': $orderby = 'RAND()'; break; case 'comment_count': $orderby = "$wpdb->posts.comment_count"; break; default: if ( 0 === strpos( $orderby, 'post_' ) ) { $orderby = "$wpdb->posts." . $orderby; } else { $orderby = "$wpdb->posts.post_" . $orderby; } } $orderby_array[] = $orderby; } $sort_column = ! empty( $orderby_array ) ? implode( ',', $orderby_array ) : "$wpdb->posts.post_title"; $sort_order = strtoupper( $r['sort_order'] ); if ( '' !== $sort_order && ! in_array( $sort_order, array( 'ASC', 'DESC' ) ) ) { $sort_order = 'ASC'; } $query = "SELECT * FROM $wpdb->posts $join WHERE ($where_post_type) $where "; $query .= $author_query; $query .= " ORDER BY " . $sort_column . " " . $sort_order ; if ( ! empty( $number ) ) { $query .= ' LIMIT ' . $offset . ',' . $number; } $pages = $wpdb->get_results($query); if ( empty($pages) ) { /** This filter is documented in wp-includes/post.php */ $pages = apply_filters( 'get_pages', array(), $r ); return $pages; } // Sanitize before caching so it'll only get done once. $num_pages = count($pages); for ($i = 0; $i < $num_pages; $i++) { $pages[$i] = sanitize_post($pages[$i], 'raw'); } // Update cache. update_post_cache( $pages ); if ( $child_of || $hierarchical ) { $pages = get_page_children($child_of, $pages); } if ( ! empty( $r['exclude_tree'] ) ) { $exclude = wp_parse_id_list( $r['exclude_tree'] ); foreach( $exclude as $id ) { $children = get_page_children( $id, $pages ); foreach ( $children as $child ) { $exclude[] = $child->ID; } } $num_pages = count( $pages ); for ( $i = 0; $i < $num_pages; $i++ ) { if ( in_array( $pages[$i]->ID, $exclude ) ) { unset( $pages[$i] ); } } } $page_structure = array(); foreach ( $pages as $page ) { $page_structure[] = $page->ID; } wp_cache_set( $cache_key, $page_structure, 'posts' ); // Convert to WP_Post instances $pages = array_map( 'get_post', $pages ); /** * Filter the retrieved list of pages. * * @since 2.1.0 * * @param array $pages List of pages to retrieve. * @param array $r Array of get_pages() arguments. */ $pages = apply_filters( 'get_pages', $pages, $r ); return $pages; } // // Attachment functions // /** * Check if the attachment URI is local one and is really an attachment. * * @since 2.0.0 * * @param string $url URL to check * @return bool True on success, false on failure. */ function is_local_attachment($url) { if (strpos($url, home_url()) === false) return false; if (strpos($url, home_url('/?attachment_id=')) !== false) return true; if ( $id = url_to_postid($url) ) { $post = get_post($id); if ( 'attachment' == $post->post_type ) return true; } return false; } /** * Insert an attachment. * * If you set the 'ID' in the $args parameter, it will mean that you are * updating and attempt to update the attachment. You can also set the * attachment name or title by setting the key 'post_name' or 'post_title'. * * You can set the dates for the attachment manually by setting the 'post_date' * and 'post_date_gmt' keys' values. * * By default, the comments will use the default settings for whether the * comments are allowed. You can close them manually or keep them open by * setting the value for the 'comment_status' key. * * @since 2.0.0 * * @see wp_insert_post() * * @param string|array $args Arguments for inserting an attachment. * @param string $file Optional. Filename. * @param int $parent Optional. Parent post ID. * @return int Attachment ID. */ function wp_insert_attachment( $args, $file = false, $parent = 0 ) { $defaults = array( 'file' => $file, 'post_parent' => 0 ); $data = wp_parse_args( $args, $defaults ); if ( ! empty( $parent ) ) { $data['post_parent'] = $parent; } $data['post_type'] = 'attachment'; return wp_insert_post( $data ); } /** * Trash or delete an attachment. * * When an attachment is permanently deleted, the file will also be removed. * Deletion removes all post meta fields, taxonomy, comments, etc. associated * with the attachment (except the main post). * * The attachment is moved to the trash instead of permanently deleted unless trash * for media is disabled, item is already in the trash, or $force_delete is true. * * @since 2.0.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param int $post_id Attachment ID. * @param bool $force_delete Optional. Whether to bypass trash and force deletion. * Default false. * @return mixed False on failure. Post data on success. */ function wp_delete_attachment( $post_id, $force_delete = false ) { global $wpdb; if ( !$post = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->posts WHERE ID = %d", $post_id) ) ) return $post; if ( 'attachment' != $post->post_type ) return false; if ( !$force_delete && EMPTY_TRASH_DAYS && MEDIA_TRASH && 'trash' != $post->post_status ) return wp_trash_post( $post_id ); delete_post_meta($post_id, '_wp_trash_meta_status'); delete_post_meta($post_id, '_wp_trash_meta_time'); $meta = wp_get_attachment_metadata( $post_id ); $backup_sizes = get_post_meta( $post->ID, '_wp_attachment_backup_sizes', true ); $file = get_attached_file( $post_id ); if ( is_multisite() ) delete_transient( 'dirsize_cache' ); /** * Fires before an attachment is deleted, at the start of wp_delete_attachment(). * * @since 2.0.0 * * @param int $post_id Attachment ID. */ do_action( 'delete_attachment', $post_id ); wp_delete_object_term_relationships($post_id, array('category', 'post_tag')); wp_delete_object_term_relationships($post_id, get_object_taxonomies($post->post_type)); // Delete all for any posts. delete_metadata( 'post', null, '_thumbnail_id', $post_id, true ); $comment_ids = $wpdb->get_col( $wpdb->prepare( "SELECT comment_ID FROM $wpdb->comments WHERE comment_post_ID = %d", $post_id )); foreach ( $comment_ids as $comment_id ) wp_delete_comment( $comment_id, true ); $post_meta_ids = $wpdb->get_col( $wpdb->prepare( "SELECT meta_id FROM $wpdb->postmeta WHERE post_id = %d ", $post_id )); foreach ( $post_meta_ids as $mid ) delete_metadata_by_mid( 'post', $mid ); /** This action is documented in wp-includes/post.php */ do_action( 'delete_post', $post_id ); $result = $wpdb->delete( $wpdb->posts, array( 'ID' => $post_id ) ); if ( ! $result ) { return false; } /** This action is documented in wp-includes/post.php */ do_action( 'deleted_post', $post_id ); $uploadpath = wp_upload_dir(); if ( ! empty($meta['thumb']) ) { // Don't delete the thumb if another attachment uses it. if (! $wpdb->get_row( $wpdb->prepare( "SELECT meta_id FROM $wpdb->postmeta WHERE meta_key = '_wp_attachment_metadata' AND meta_value LIKE %s AND post_id <> %d", '%' . $wpdb->esc_like( $meta['thumb'] ) . '%', $post_id)) ) { $thumbfile = str_replace(basename($file), $meta['thumb'], $file); /** This filter is documented in wp-admin/custom-header.php */ $thumbfile = apply_filters( 'wp_delete_file', $thumbfile ); @ unlink( path_join($uploadpath['basedir'], $thumbfile) ); } } // Remove intermediate and backup images if there are any. if ( isset( $meta['sizes'] ) && is_array( $meta['sizes'] ) ) { foreach ( $meta['sizes'] as $size => $sizeinfo ) { $intermediate_file = str_replace( basename( $file ), $sizeinfo['file'], $file ); /** This filter is documented in wp-admin/custom-header.php */ $intermediate_file = apply_filters( 'wp_delete_file', $intermediate_file ); @ unlink( path_join( $uploadpath['basedir'], $intermediate_file ) ); } } if ( is_array($backup_sizes) ) { foreach ( $backup_sizes as $size ) { $del_file = path_join( dirname($meta['file']), $size['file'] ); /** This filter is documented in wp-admin/custom-header.php */ $del_file = apply_filters( 'wp_delete_file', $del_file ); @ unlink( path_join($uploadpath['basedir'], $del_file) ); } } /** This filter is documented in wp-admin/custom-header.php */ $file = apply_filters( 'wp_delete_file', $file ); if ( ! empty($file) ) @ unlink($file); clean_post_cache( $post ); return $post; } /** * Retrieve attachment meta field for attachment ID. * * @since 2.1.0 * * @param int $post_id Attachment ID. Default 0. * @param bool $unfiltered Optional. If true, filters are not run. Default false. * @return string|bool Attachment meta field. False on failure. */ function wp_get_attachment_metadata( $post_id = 0, $unfiltered = false ) { $post_id = (int) $post_id; if ( !$post = get_post( $post_id ) ) return false; $data = get_post_meta( $post->ID, '_wp_attachment_metadata', true ); if ( $unfiltered ) return $data; /** * Filter the attachment meta data. * * @since 2.1.0 * * @param array|bool $data Array of meta data for the given attachment, or false * if the object does not exist. * @param int $post_id Attachment ID. */ return apply_filters( 'wp_get_attachment_metadata', $data, $post->ID ); } /** * Update metadata for an attachment. * * @since 2.1.0 * * @param int $post_id Attachment ID. * @param array $data Attachment data. * @return int|bool False if $post is invalid. */ function wp_update_attachment_metadata( $post_id, $data ) { $post_id = (int) $post_id; if ( !$post = get_post( $post_id ) ) return false; /** * Filter the updated attachment meta data. * * @since 2.1.0 * * @param array $data Array of updated attachment meta data. * @param int $post_id Attachment ID. */ if ( $data = apply_filters( 'wp_update_attachment_metadata', $data, $post->ID ) ) return update_post_meta( $post->ID, '_wp_attachment_metadata', $data ); else return delete_post_meta( $post->ID, '_wp_attachment_metadata' ); } /** * Retrieve the URL for an attachment. * * @since 2.1.0 * * @param int $post_id Optional. Attachment ID. Default 0. * @return string|bool Attachment URL, otherwise false. */ function wp_get_attachment_url( $post_id = 0 ) { $post_id = (int) $post_id; if ( !$post = get_post( $post_id ) ) return false; if ( 'attachment' != $post->post_type ) return false; $url = ''; // Get attached file. if ( $file = get_post_meta( $post->ID, '_wp_attached_file', true) ) { // Get upload directory. if ( ($uploads = wp_upload_dir()) && false === $uploads['error'] ) { // Check that the upload base exists in the file location. if ( 0 === strpos( $file, $uploads['basedir'] ) ) { // Replace file location with url location. $url = str_replace($uploads['basedir'], $uploads['baseurl'], $file); } elseif ( false !== strpos($file, 'wp-content/uploads') ) { $url = $uploads['baseurl'] . substr( $file, strpos($file, 'wp-content/uploads') + 18 ); } else { // It's a newly-uploaded file, therefore $file is relative to the basedir. $url = $uploads['baseurl'] . "/$file"; } } } /* * If any of the above options failed, Fallback on the GUID as used pre-2.7, * not recommended to rely upon this. */ if ( empty($url) ) { $url = get_the_guid( $post->ID ); } /** * Filter the attachment URL. * * @since 2.1.0 * * @param string $url URL for the given attachment. * @param int $post_id Attachment ID. */ $url = apply_filters( 'wp_get_attachment_url', $url, $post->ID ); if ( empty( $url ) ) return false; return $url; } /** * Retrieve thumbnail for an attachment. * * @since 2.1.0 * * @param int $post_id Optional. Attachment ID. Default 0. * @return mixed False on failure. Thumbnail file path on success. */ function wp_get_attachment_thumb_file( $post_id = 0 ) { $post_id = (int) $post_id; if ( !$post = get_post( $post_id ) ) return false; if ( !is_array( $imagedata = wp_get_attachment_metadata( $post->ID ) ) ) return false; $file = get_attached_file( $post->ID ); if ( !empty($imagedata['thumb']) && ($thumbfile = str_replace(basename($file), $imagedata['thumb'], $file)) && file_exists($thumbfile) ) { /** * Filter the attachment thumbnail file path. * * @since 2.1.0 * * @param string $thumbfile File path to the attachment thumbnail. * @param int $post_id Attachment ID. */ return apply_filters( 'wp_get_attachment_thumb_file', $thumbfile, $post->ID ); } return false; } /** * Retrieve URL for an attachment thumbnail. * * @since 2.1.0 * * @param int $post_id Optional. Attachment ID. Default 0. * @return string|bool False on failure. Thumbnail URL on success. */ function wp_get_attachment_thumb_url( $post_id = 0 ) { $post_id = (int) $post_id; if ( !$post = get_post( $post_id ) ) return false; if ( !$url = wp_get_attachment_url( $post->ID ) ) return false; $sized = image_downsize( $post_id, 'thumbnail' ); if ( $sized ) return $sized[0]; if ( !$thumb = wp_get_attachment_thumb_file( $post->ID ) ) return false; $url = str_replace(basename($url), basename($thumb), $url); /** * Filter the attachment thumbnail URL. * * @since 2.1.0 * * @param string $url URL for the attachment thumbnail. * @param int $post_id Attachment ID. */ return apply_filters( 'wp_get_attachment_thumb_url', $url, $post->ID ); } /** * Check if the attachment is an image. * * @since 2.1.0 * * @param int $post_id Optional. Attachment ID. Default 0. * @return bool Whether the attachment is an image. */ function wp_attachment_is_image( $post_id = 0 ) { $post_id = (int) $post_id; if ( !$post = get_post( $post_id ) ) return false; if ( !$file = get_attached_file( $post->ID ) ) return false; $ext = preg_match('/\.([^.]+)$/', $file, $matches) ? strtolower($matches[1]) : false; $image_exts = array( 'jpg', 'jpeg', 'jpe', 'gif', 'png' ); if ( 'image/' == substr($post->post_mime_type, 0, 6) || $ext && 'import' == $post->post_mime_type && in_array($ext, $image_exts) ) return true; return false; } /** * Retrieve the icon for a MIME type. * * @since 2.1.0 * * @param string|int $mime MIME type or attachment ID. * @return string|bool Icon, false otherwise. */ function wp_mime_type_icon( $mime = 0 ) { if ( !is_numeric($mime) ) $icon = wp_cache_get("mime_type_icon_$mime"); $post_id = 0; if ( empty($icon) ) { $post_mimes = array(); if ( is_numeric($mime) ) { $mime = (int) $mime; if ( $post = get_post( $mime ) ) { $post_id = (int) $post->ID; $ext = preg_replace('/^.+?\.([^.]+)$/', '$1', $post->guid); if ( !empty($ext) ) { $post_mimes[] = $ext; if ( $ext_type = wp_ext2type( $ext ) ) $post_mimes[] = $ext_type; } $mime = $post->post_mime_type; } else { $mime = 0; } } else { $post_mimes[] = $mime; } $icon_files = wp_cache_get('icon_files'); if ( !is_array($icon_files) ) { /** * Filter the icon directory path. * * @since 2.0.0 * * @param string $path Icon directory absolute path. */ $icon_dir = apply_filters( 'icon_dir', ABSPATH . WPINC . '/images/media' ); /** * Filter the icon directory URI. * * @since 2.0.0 * * @param string $uri Icon directory URI. */ $icon_dir_uri = apply_filters( 'icon_dir_uri', includes_url( 'images/media' ) ); /** * Filter the list of icon directory URIs. * * @since 2.5.0 * * @param array $uris List of icon directory URIs. */ $dirs = apply_filters( 'icon_dirs', array( $icon_dir => $icon_dir_uri ) ); $icon_files = array(); while ( $dirs ) { $keys = array_keys( $dirs ); $dir = array_shift( $keys ); $uri = array_shift($dirs); if ( $dh = opendir($dir) ) { while ( false !== $file = readdir($dh) ) { $file = basename($file); if ( substr($file, 0, 1) == '.' ) continue; if ( !in_array(strtolower(substr($file, -4)), array('.png', '.gif', '.jpg') ) ) { if ( is_dir("$dir/$file") ) $dirs["$dir/$file"] = "$uri/$file"; continue; } $icon_files["$dir/$file"] = "$uri/$file"; } closedir($dh); } } wp_cache_add( 'icon_files', $icon_files, 'default', 600 ); } // Icon basename - extension = MIME wildcard. foreach ( $icon_files as $file => $uri ) $types[ preg_replace('/^([^.]*).*$/', '$1', basename($file)) ] =& $icon_files[$file]; if ( ! empty($mime) ) { $post_mimes[] = substr($mime, 0, strpos($mime, '/')); $post_mimes[] = substr($mime, strpos($mime, '/') + 1); $post_mimes[] = str_replace('/', '_', $mime); } $matches = wp_match_mime_types(array_keys($types), $post_mimes); $matches['default'] = array('default'); foreach ( $matches as $match => $wilds ) { if ( isset($types[$wilds[0]])) { $icon = $types[$wilds[0]]; if ( !is_numeric($mime) ) wp_cache_add("mime_type_icon_$mime", $icon); break; } } } /** * Filter the mime type icon. * * @since 2.1.0 * * @param string $icon Path to the mime type icon. * @param string $mime Mime type. * @param int $post_id Attachment ID. Will equal 0 if the function passed * the mime type. */ return apply_filters( 'wp_mime_type_icon', $icon, $mime, $post_id ); } /** * Check for changed slugs for published post objects and save the old slug. * * The function is used when a post object of any type is updated, * by comparing the current and previous post objects. * * If the slug was changed and not already part of the old slugs then it will be * added to the post meta field ('_wp_old_slug') for storing old slugs for that * post. * * The most logically usage of this function is redirecting changed post objects, so * that those that linked to an changed post will be redirected to the new post. * * @since 2.1.0 * * @param int $post_id Post ID. * @param WP_Post $post The Post Object * @param WP_Post $post_before The Previous Post Object * @return int Same as $post_id */ function wp_check_for_changed_slugs( $post_id, $post, $post_before ) { // Don't bother if it hasnt changed. if ( $post->post_name == $post_before->post_name ) return; // We're only concerned with published, non-hierarchical objects. if ( $post->post_status != 'publish' || is_post_type_hierarchical( $post->post_type ) ) return; $old_slugs = (array) get_post_meta($post_id, '_wp_old_slug'); // If we haven't added this old slug before, add it now. if ( !empty( $post_before->post_name ) && !in_array($post_before->post_name, $old_slugs) ) add_post_meta($post_id, '_wp_old_slug', $post_before->post_name); // If the new slug was used previously, delete it from the list. if ( in_array($post->post_name, $old_slugs) ) delete_post_meta($post_id, '_wp_old_slug', $post->post_name); } /** * Retrieve the private post SQL based on capability. * * This function provides a standardized way to appropriately select on the * post_status of a post type. The function will return a piece of SQL code * that can be added to a WHERE clause; this SQL is constructed to allow all * published posts, and all private posts to which the user has access. * * @since 2.2.0 * * @param string $post_type Post type. Currently only supports 'post' or 'page'. * @return string SQL code that can be added to a where clause. */ function get_private_posts_cap_sql( $post_type ) { return get_posts_by_author_sql( $post_type, false ); } /** * Retrieve the post SQL based on capability, author, and type. * * @since 3.0.0 * * @see get_private_posts_cap_sql() * * @param string $post_type Post type. * @param bool $full Optional. Returns a full WHERE statement instead of just * an 'andalso' term. Default true. * @param int $post_author Optional. Query posts having a single author ID. Default null. * @param bool $public_only Optional. Only return public posts. Skips cap checks for * $current_user. Default false. * @return string SQL WHERE code that can be added to a query. */ function get_posts_by_author_sql( $post_type, $full = true, $post_author = null, $public_only = false ) { global $wpdb; // Private posts. $post_type_obj = get_post_type_object( $post_type ); if ( ! $post_type_obj ) return $full ? 'WHERE 1 = 0' : ' 1 = 0 '; /** * Filter the capability to read private posts for a custom post type * when generating SQL for getting posts by author. * * @since 2.2.0 * @deprecated 3.2.0 The hook transitioned from "somewhat useless" to "totally useless". * * @param string $cap Capability. */ if ( ! $cap = apply_filters( 'pub_priv_sql_capability', '' ) ) { $cap = $post_type_obj->cap->read_private_posts; } if ( $full ) { if ( null === $post_author ) { $sql = $wpdb->prepare( 'WHERE post_type = %s AND ', $post_type ); } else { $sql = $wpdb->prepare( 'WHERE post_author = %d AND post_type = %s AND ', $post_author, $post_type ); } } else { $sql = ''; } $sql .= "(post_status = 'publish'"; // Only need to check the cap if $public_only is false. if ( false === $public_only ) { if ( current_user_can( $cap ) ) { // Does the user have the capability to view private posts? Guess so. $sql .= " OR post_status = 'private'"; } elseif ( is_user_logged_in() ) { // Users can view their own private posts. $id = get_current_user_id(); if ( null === $post_author || ! $full ) { $sql .= " OR post_status = 'private' AND post_author = $id"; } elseif ( $id == (int) $post_author ) { $sql .= " OR post_status = 'private'"; } // else none } // else none } $sql .= ')'; return $sql; } /** * Retrieve the date that the last post was published. * * The server timezone is the default and is the difference between GMT and * server time. The 'blog' value is the date when the last post was posted. The * 'gmt' is when the last post was posted in GMT formatted date. * * @since 0.71 * * @param string $timezone The location to get the time. Accepts 'gmt', 'blog', * or 'server'. Default 'server'. * @return string The date of the last post. */ function get_lastpostdate( $timezone = 'server' ) { /** * Filter the date the last post was published. * * @since 2.3.0 * * @param string $date Date the last post was published. Likely values are 'gmt', * 'blog', or 'server'. * @param string $timezone Location to use for getting the post published date. */ return apply_filters( 'get_lastpostdate', _get_last_post_time( $timezone, 'date' ), $timezone ); } /** * Get the timestamp of the last time any post was modified. * * The server timezone is the default and is the difference between GMT and * server time. The 'blog' value is just when the last post was modified. The * 'gmt' is when the last post was modified in GMT time. * * @since 1.2.0 * * @param string $timezone Optional. The timezone for the timestamp. Uses the server's internal timezone. * Accepts 'server', 'blog', 'gmt'. or 'server'. 'server' uses the server's * internal timezone. 'blog' uses the `post_modified` field, which proxies * to the timezone set for the site. 'gmt' uses the `post_modified_gmt` field. * Default 'server'. * @return string The timestamp. */ function get_lastpostmodified( $timezone = 'server' ) { $lastpostmodified = _get_last_post_time( $timezone, 'modified' ); $lastpostdate = get_lastpostdate($timezone); if ( $lastpostdate > $lastpostmodified ) $lastpostmodified = $lastpostdate; /** * Filter the date the last post was modified. * * @since 2.3.0 * * @param string $lastpostmodified Date the last post was modified. * @param string $timezone Location to use for getting the post modified date. * See {@see get_lastpostmodified()} for accepted `$timezone` values. */ return apply_filters( 'get_lastpostmodified', $lastpostmodified, $timezone ); } /** * Get the timestamp of the last time any post was modified or published. * * @since 3.1.0 * @access private * * @param string $timezone The timezone for the timestamp. See {@see get_lastpostmodified()} * for information on accepted values. * @param string $field Post field to check. Accepts 'date' or 'modified'. * @return string The timestamp. */ function _get_last_post_time( $timezone, $field ) { global $wpdb; if ( !in_array( $field, array( 'date', 'modified' ) ) ) return false; $timezone = strtolower( $timezone ); $key = "lastpost{$field}:$timezone"; $date = wp_cache_get( $key, 'timeinfo' ); if ( !$date ) { $add_seconds_server = date('Z'); $post_types = get_post_types( array( 'public' => true ) ); array_walk( $post_types, array( &$wpdb, 'escape_by_ref' ) ); $post_types = "'" . implode( "', '", $post_types ) . "'"; switch ( $timezone ) { case 'gmt': $date = $wpdb->get_var("SELECT post_{$field}_gmt FROM $wpdb->posts WHERE post_status = 'publish' AND post_type IN ({$post_types}) ORDER BY post_{$field}_gmt DESC LIMIT 1"); break; case 'blog': $date = $wpdb->get_var("SELECT post_{$field} FROM $wpdb->posts WHERE post_status = 'publish' AND post_type IN ({$post_types}) ORDER BY post_{$field}_gmt DESC LIMIT 1"); break; case 'server': $date = $wpdb->get_var("SELECT DATE_ADD(post_{$field}_gmt, INTERVAL '$add_seconds_server' SECOND) FROM $wpdb->posts WHERE post_status = 'publish' AND post_type IN ({$post_types}) ORDER BY post_{$field}_gmt DESC LIMIT 1"); break; } if ( $date ) wp_cache_set( $key, $date, 'timeinfo' ); } return $date; } /** * Updates posts in cache. * * @since 1.5.1 * * @param array $posts Array of post objects, passed by reference. */ function update_post_cache( &$posts ) { if ( ! $posts ) return; foreach ( $posts as $post ) wp_cache_add( $post->ID, $post, 'posts' ); } /** * Will clean the post in the cache. * * Cleaning means delete from the cache of the post. Will call to clean the term * object cache associated with the post ID. * * This function not run if $_wp_suspend_cache_invalidation is not empty. See * wp_suspend_cache_invalidation(). * * @since 2.0.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param int|WP_Post $post Post ID or post object to remove from the cache. */ function clean_post_cache( $post ) { global $_wp_suspend_cache_invalidation, $wpdb; if ( ! empty( $_wp_suspend_cache_invalidation ) ) return; $post = get_post( $post ); if ( empty( $post ) ) return; wp_cache_delete( $post->ID, 'posts' ); wp_cache_delete( $post->ID, 'post_meta' ); clean_object_term_cache( $post->ID, $post->post_type ); wp_cache_delete( 'wp_get_archives', 'general' ); /** * Fires immediately after the given post's cache is cleaned. * * @since 2.5.0 * * @param int $post_id Post ID. * @param WP_Post $post Post object. */ do_action( 'clean_post_cache', $post->ID, $post ); if ( 'page' == $post->post_type ) { wp_cache_delete( 'all_page_ids', 'posts' ); /** * Fires immediately after the given page's cache is cleaned. * * @since 2.5.0 * * @param int $post_id Post ID. */ do_action( 'clean_page_cache', $post->ID ); } wp_cache_set( 'last_changed', microtime(), 'posts' ); } /** * Call major cache updating functions for list of Post objects. * * @since 1.5.0 * * @param array $posts Array of Post objects * @param string $post_type Optional. Post type. Default 'post'. * @param bool $update_term_cache Optional. Whether to update the term cache. Default true. * @param bool $update_meta_cache Optional. Whether to update the meta cache. Default true. */ function update_post_caches( &$posts, $post_type = 'post', $update_term_cache = true, $update_meta_cache = true ) { // No point in doing all this work if we didn't match any posts. if ( !$posts ) return; update_post_cache($posts); $post_ids = array(); foreach ( $posts as $post ) $post_ids[] = $post->ID; if ( ! $post_type ) $post_type = 'any'; if ( $update_term_cache ) { if ( is_array($post_type) ) { $ptypes = $post_type; } elseif ( 'any' == $post_type ) { // Just use the post_types in the supplied posts. foreach ( $posts as $post ) $ptypes[] = $post->post_type; $ptypes = array_unique($ptypes); } else { $ptypes = array($post_type); } if ( ! empty($ptypes) ) update_object_term_cache($post_ids, $ptypes); } if ( $update_meta_cache ) update_postmeta_cache($post_ids); } /** * Updates metadata cache for list of post IDs. * * Performs SQL query to retrieve the metadata for the post IDs and updates the * metadata cache for the posts. Therefore, the functions, which call this * function, do not need to perform SQL queries on their own. * * @since 2.1.0 * * @param array $post_ids List of post IDs. * @return bool|array Returns false if there is nothing to update or an array * of metadata. */ function update_postmeta_cache( $post_ids ) { return update_meta_cache('post', $post_ids); } /** * Will clean the attachment in the cache. * * Cleaning means delete from the cache. Optionally will clean the term * object cache associated with the attachment ID. * * This function will not run if $_wp_suspend_cache_invalidation is not empty. * * @since 3.0.0 * * @see wp_suspend_cache_invalidation() * * @param int $id The attachment ID in the cache to clean. * @param bool $clean_terms Optional. Whether to clean terms cache. Default false. */ function clean_attachment_cache( $id, $clean_terms = false ) { global $_wp_suspend_cache_invalidation; if ( !empty($_wp_suspend_cache_invalidation) ) return; $id = (int) $id; wp_cache_delete($id, 'posts'); wp_cache_delete($id, 'post_meta'); if ( $clean_terms ) clean_object_term_cache($id, 'attachment'); /** * Fires after the given attachment's cache is cleaned. * * @since 3.0.0 * * @param int $id Attachment ID. */ do_action( 'clean_attachment_cache', $id ); } // // Hooks // /** * Hook for managing future post transitions to published. * * @since 2.3.0 * @access private * * @see wp_clear_scheduled_hook() * @global wpdb $wpdb WordPress database abstraction object. * * @param string $new_status New post status. * @param string $old_status Previous post status. * @param WP_Post $post Post object. */ function _transition_post_status( $new_status, $old_status, $post ) { global $wpdb; if ( $old_status != 'publish' && $new_status == 'publish' ) { // Reset GUID if transitioning to publish and it is empty. if ( '' == get_the_guid($post->ID) ) $wpdb->update( $wpdb->posts, array( 'guid' => get_permalink( $post->ID ) ), array( 'ID' => $post->ID ) ); /** * Fires when a post's status is transitioned from private to published. * * @since 1.5.0 * @deprecated 2.3.0 Use 'private_to_publish' instead. * * @param int $post_id Post ID. */ do_action('private_to_published', $post->ID); } // If published posts changed clear the lastpostmodified cache. if ( 'publish' == $new_status || 'publish' == $old_status) { foreach ( array( 'server', 'gmt', 'blog' ) as $timezone ) { wp_cache_delete( "lastpostmodified:$timezone", 'timeinfo' ); wp_cache_delete( "lastpostdate:$timezone", 'timeinfo' ); } } if ( $new_status !== $old_status ) { wp_cache_delete( _count_posts_cache_key( $post->post_type ), 'counts' ); wp_cache_delete( _count_posts_cache_key( $post->post_type, 'readable' ), 'counts' ); } // Always clears the hook in case the post status bounced from future to draft. wp_clear_scheduled_hook('publish_future_post', array( $post->ID ) ); } /** * Hook used to schedule publication for a post marked for the future. * * The $post properties used and must exist are 'ID' and 'post_date_gmt'. * * @since 2.3.0 * @access private * * @param int $deprecated Not used. Can be set to null. Never implemented. Not marked * as deprecated with _deprecated_argument() as it conflicts with * wp_transition_post_status() and the default filter for * {@see _future_post_hook()}. * @param WP_Post $post Post object. */ function _future_post_hook( $deprecated, $post ) { wp_clear_scheduled_hook( 'publish_future_post', array( $post->ID ) ); wp_schedule_single_event( strtotime( get_gmt_from_date( $post->post_date ) . ' GMT') , 'publish_future_post', array( $post->ID ) ); } /** * Hook to schedule pings and enclosures when a post is published. * * Uses XMLRPC_REQUEST and WP_IMPORTING constants. * * @since 2.3.0 * @access private * * @param int $post_id The ID in the database table of the post being published. */ function _publish_post_hook( $post_id ) { if ( defined( 'XMLRPC_REQUEST' ) ) { /** * Fires when _publish_post_hook() is called during an XML-RPC request. * * @since 2.1.0 * * @param int $post_id Post ID. */ do_action( 'xmlrpc_publish_post', $post_id ); } if ( defined('WP_IMPORTING') ) return; if ( get_option('default_pingback_flag') ) add_post_meta( $post_id, '_pingme', '1' ); add_post_meta( $post_id, '_encloseme', '1' ); wp_schedule_single_event(time(), 'do_pings'); } /** * Return the post's parent's post_ID * * @since 3.1.0 * * @param int $post_ID * * @return int|bool Post parent ID, otherwise false. */ function wp_get_post_parent_id( $post_ID ) { $post = get_post( $post_ID ); if ( !$post || is_wp_error( $post ) ) return false; return (int) $post->post_parent; } /** * Check the given subset of the post hierarchy for hierarchy loops. * * Prevents loops from forming and breaks those that it finds. Attached * to the 'wp_insert_post_parent' filter. * * @since 3.1.0 * * @see wp_find_hierarchy_loop() * * @param int $post_parent ID of the parent for the post we're checking. * @param int $post_ID ID of the post we're checking. * @return int The new post_parent for the post, 0 otherwise. */ function wp_check_post_hierarchy_for_loops( $post_parent, $post_ID ) { // Nothing fancy here - bail. if ( !$post_parent ) return 0; // New post can't cause a loop. if ( empty( $post_ID ) ) return $post_parent; // Can't be its own parent. if ( $post_parent == $post_ID ) return 0; // Now look for larger loops. if ( !$loop = wp_find_hierarchy_loop( 'wp_get_post_parent_id', $post_ID, $post_parent ) ) return $post_parent; // No loop // Setting $post_parent to the given value causes a loop. if ( isset( $loop[$post_ID] ) ) return 0; // There's a loop, but it doesn't contain $post_ID. Break the loop. foreach ( array_keys( $loop ) as $loop_member ) wp_update_post( array( 'ID' => $loop_member, 'post_parent' => 0 ) ); return $post_parent; } /** * Set a post thumbnail. * * @since 3.1.0 * * @param int|WP_Post $post Post ID or post object where thumbnail should be attached. * @param int $thumbnail_id Thumbnail to attach. * @return bool True on success, false on failure. */ function set_post_thumbnail( $post, $thumbnail_id ) { $post = get_post( $post ); $thumbnail_id = absint( $thumbnail_id ); if ( $post && $thumbnail_id && get_post( $thumbnail_id ) ) { if ( wp_get_attachment_image( $thumbnail_id, 'thumbnail' ) ) return update_post_meta( $post->ID, '_thumbnail_id', $thumbnail_id ); else return delete_post_meta( $post->ID, '_thumbnail_id' ); } return false; } /** * Remove a post thumbnail. * * @since 3.3.0 * * @param int|WP_Post $post Post ID or post object where thumbnail should be removed from. * @return bool True on success, false on failure. */ function delete_post_thumbnail( $post ) { $post = get_post( $post ); if ( $post ) return delete_post_meta( $post->ID, '_thumbnail_id' ); return false; } /** * Delete auto-drafts for new posts that are > 7 days old. * * @since 3.4.0 * * @global wpdb $wpdb WordPress database abstraction object. */ function wp_delete_auto_drafts() { global $wpdb; // Cleanup old auto-drafts more than 7 days old. $old_posts = $wpdb->get_col( "SELECT ID FROM $wpdb->posts WHERE post_status = 'auto-draft' AND DATE_SUB( NOW(), INTERVAL 7 DAY ) > post_date" ); foreach ( (array) $old_posts as $delete ) { // Force delete. wp_delete_post( $delete, true ); } } /** * Update the custom taxonomies' term counts when a post's status is changed. * * For example, default posts term counts (for custom taxonomies) don't include * private / draft posts. * * @since 3.3.0 * @access private * * @param string $new_status New post status. * @param string $old_status Old post status. * @param WP_Post $post Post object. */ function _update_term_count_on_transition_post_status( $new_status, $old_status, $post ) { // Update counts for the post's terms. foreach ( (array) get_object_taxonomies( $post->post_type ) as $taxonomy ) { $tt_ids = wp_get_object_terms( $post->ID, $taxonomy, array( 'fields' => 'tt_ids' ) ); wp_update_term_count( $tt_ids, $taxonomy ); } } /** * Adds any posts from the given ids to the cache that do not already exist in cache * * @since 3.4.0 * @access private * * @see update_post_caches() * * @param array $ids ID list * @param bool $update_term_cache Optional. Whether to update the term cache. Default true. * @param bool $update_meta_cache Optional. Whether to update the meta cache. Default true. */ function _prime_post_caches( $ids, $update_term_cache = true, $update_meta_cache = true ) { global $wpdb; $non_cached_ids = _get_non_cached_ids( $ids, 'posts' ); if ( !empty( $non_cached_ids ) ) { $fresh_posts = $wpdb->get_results( sprintf( "SELECT $wpdb->posts.* FROM $wpdb->posts WHERE ID IN (%s)", join( ",", $non_cached_ids ) ) ); update_post_caches( $fresh_posts, 'any', $update_term_cache, $update_meta_cache ); } }
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