WordPress代码插入文章函数:wp_insert_post

* and 'post_date_gmt' keys. You can close the comments or open the comments by * setting the value for 'comment_status' key. * * The defaults for the parameter $postarr are: * 'post_status' – Default is 'draft'. * 'post_type' – Default is 'post'. * 'post_author' – Default is current user ID ($user_ID). The ID of the user who added the post. * 'ping_status' – Default is the value in 'default_ping_status' option. * Whether the attachment can accept pings. * 'post_parent' – Default is 0. Set this for the post it belongs to, if any. * 'menu_order' – Default is 0. The order it is displayed. * 'to_ping' – Whether to ping. * 'pinged' – Default is empty string. * 'post_password' – Default is empty string. The password to access the attachment. * 'guid' – Global Unique ID for referencing the attachment. * 'post_content_filtered' – Post content filtered. * 'post_excerpt' – Post excerpt. * * @since 1.0.0 * @uses $wpdb * @uses $wp_rewrite * @uses $user_ID * @uses do_action() Calls 'pre_post_update' on post ID if this is an update. * @uses do_action() Calls 'edit_post' action on post ID and post data if this is an update. * @uses do_action() Calls 'save_post' and 'wp_insert_post' on post id and post data just before returning. * @uses apply_filters() Calls 'wp_insert_post_data' passing $data, $postarr prior to database update or insert. * @uses wp_transition_post_status() * * @param array $postarr Elements that make up post to insert. * @param bool $wp_error Optional. Allow return of WP_Error on failure. * @return int|WP_Error The value 0 or WP_Error on failure. The post ID on success. */function wp_insert_post($postarr, $wp_error = false) { global $wpdb, $wp_rewrite, $user_ID; $defaults = array('post_status' => 'draft', 'post_type' => 'post', 'post_author' => $user_ID, 'ping_status' => get_option('default_ping_status'), 'post_parent' => 0, 'menu_order' => 0, 'to_ping' => '', 'pinged' => '', 'post_password' => '', 'guid' => '', 'post_content_filtered' => '', 'post_excerpt' => '', 'import_id' => 0, 'post_content' => '', 'post_title' => ''); $postarr = wp_parse_args($postarr, $defaults); unset( $postarr[ 'filter' ] ); $postarr = sanitize_post($postarr, 'db'); // export array as variables extract($postarr, EXTR_SKIP); // Are we updating or creating? $update = false; if ( !empty($ID) ) { $update = true; $previous_status = get_post_field('post_status', $ID); } else { $previous_status = 'new'; } if ( ('' == $post_content) && ('' == $post_title) && ('' == $post_excerpt) && ('attachment' != $post_type) ) { if ( $wp_error ) return new WP_Error('empty_content', __('Content, title, and excerpt are empty.')); else return 0; } if ( empty($post_type) ) $post_type = 'post'; if ( empty($post_status) ) $post_status = 'draft'; if ( !empty($post_category) ) $post_category = array_filter($post_category); // Filter out empty terms // 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 $post_category = array(); } if ( empty($post_author) ) $post_author = $user_ID; $post_ID = 0; // Get the post ID and GUID if ( $update ) { $post_ID = (int) $ID; $guid = get_post_field( 'guid', $post_ID ); $post_before = get_post($post_ID); } // 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{ $post_name = sanitize_title($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 nowif( empty($post_date)||'0000-00-00 00:00:00'== $post_date ) $post_date = current_time('mysql');if( empty($post_date_gmt)||'0000-00-00 00:00:00'== $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';}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('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)) $post_status ='publish';}if( empty($comment_status)){if( $update ) $comment_status ='closed';else $comment_status = get_option('default_comment_status');}if( empty($ping_status)) $ping_status = get_option('default_ping_status');if( isset($to_ping)) $to_ping = preg_replace('|s+|',"n", $to_ping);else $to_ping ='';if(! isset($pinged))

$pinged ='';if( isset($post_parent)) $post_parent =(int) $post_parent;else $post_parent =0;// Check the post_parent to see if it will cause a hierarchy loop $post_parent = apply_filters('wp_insert_post_parent', $post_parent, $post_ID, compact( array_keys( $postarr )), $postarr );if( isset($menu_order)) $menu_order =(int) $menu_order;else $menu_order =0;if(!isset($post_password)||'private'== $post_status ) $post_password =''; $post_name = wp_unique_post_slug($post_name, $post_ID, $post_status, $post_type, $post_parent);// expected_slashed (everything!) $data = compact( array('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','p $data = apply_filters('wp_insert_post_data', $data, $postarr); $data = stripslashes_deep( $data ); $where = array('ID'=> $post_ID );if( $update ){ do_action('pre_post_update', $post_ID );if(false=== $wpdb->update( $wpdb->posts, $data, $where )){if( $wp_error )returnnew WP_Error('db_update_error', __('Could not update post in the database'), $wpdb->last_error);elsereturn0;}}else{if( isset($ $data['post_mime_type']= stripslashes( $post_mime_type );// This isn't in the update// If there is a suggested ID, use it if not already presentif(!empty($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 )returnnew WP_Error('db_insert_error', __('Could not insert post into the database'), $wpdb->last_error);elsereturn0;} $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( $tags_input )&& is_object_in_taxonomy($post_type,'post_tag')) wp_set_post_tags( $post_ID, $tags_input );// new-style support for all custom taxonomiesif(!empty($tax_input)){foreach( $tax_input as $taxonomy => $tags ){ $taxonomy_obj = get_taxonomy($taxonomy);if( is_array($tags))// array = hierarchical, string = non-hierarchical. $tags = array_filter($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 );if('page'== $data['post_type']) clean_page_cache($post_ID);else clean_post_cache($post_ID);// Set GUIDif(!$update &&''== $current_guid ) $wpdb->update( $wpdb->posts, array('guid'=> get_permalink( $post_ID )), $where ); $post = get_post($post_ID);if(!empty($page_template)&&'page'== $data['post_type']){ $post->page_template = $page_template; $page_templates = get_page_templates();if('default'!= $page_template &&!in_array($page_template, $page_templates)){if( $wp_error )returnnew WP_Error('invalid_page_template', __('The page template is invalid.'));elsereturn0;} update_post_meta($post_ID,'_wp_page_template', $page_template);} wp_transition_post_status($data['post_status'], $previous_status, $post);if( $update ){ do_action('edit_post', $post_ID, $post); $post_after = get_post($post_ID); do_action('post_updated', $post_ID, $post_after, $post_before);} do_action('save_post', $post_ID, $post); do_action('wp_insert_post', $post_ID, $post);return $post_ID;}