wp_ajax_add_meta() │ WP 3.1.0
Handles adding meta via AJAX.
No Hooks.
Return
null
. Nothing (null).
Usage
wp_ajax_add_meta();
Changelog
Since 3.1.0 | Introduced. |
wp_ajax_add_meta() wp ajax add meta code WP 6.6.2
function wp_ajax_add_meta() { check_ajax_referer( 'add-meta', '_ajax_nonce-add-meta' ); $c = 0; $pid = (int) $_POST['post_id']; $post = get_post( $pid ); if ( isset( $_POST['metakeyselect'] ) || isset( $_POST['metakeyinput'] ) ) { if ( ! current_user_can( 'edit_post', $pid ) ) { wp_die( -1 ); } if ( isset( $_POST['metakeyselect'] ) && '#NONE#' === $_POST['metakeyselect'] && empty( $_POST['metakeyinput'] ) ) { wp_die( 1 ); } // If the post is an autodraft, save the post as a draft and then attempt to save the meta. if ( 'auto-draft' === $post->post_status ) { $post_data = array(); $post_data['action'] = 'draft'; // Warning fix. $post_data['post_ID'] = $pid; $post_data['post_type'] = $post->post_type; $post_data['post_status'] = 'draft'; $now = time(); $post_data['post_title'] = sprintf( /* translators: 1: Post creation date, 2: Post creation time. */ __( 'Draft created on %1$s at %2$s' ), gmdate( __( 'F j, Y' ), $now ), gmdate( __( 'g:i a' ), $now ) ); $pid = edit_post( $post_data ); if ( $pid ) { if ( is_wp_error( $pid ) ) { $x = new WP_Ajax_Response( array( 'what' => 'meta', 'data' => $pid, ) ); $x->send(); } $mid = add_meta( $pid ); if ( ! $mid ) { wp_die( __( 'Please provide a custom field value.' ) ); } } else { wp_die( 0 ); } } else { $mid = add_meta( $pid ); if ( ! $mid ) { wp_die( __( 'Please provide a custom field value.' ) ); } } $meta = get_metadata_by_mid( 'post', $mid ); $pid = (int) $meta->post_id; $meta = get_object_vars( $meta ); $x = new WP_Ajax_Response( array( 'what' => 'meta', 'id' => $mid, 'data' => _list_meta_row( $meta, $c ), 'position' => 1, 'supplemental' => array( 'postid' => $pid ), ) ); } else { // Update? $mid = (int) key( $_POST['meta'] ); $key = wp_unslash( $_POST['meta'][ $mid ]['key'] ); $value = wp_unslash( $_POST['meta'][ $mid ]['value'] ); if ( '' === trim( $key ) ) { wp_die( __( 'Please provide a custom field name.' ) ); } $meta = get_metadata_by_mid( 'post', $mid ); if ( ! $meta ) { wp_die( 0 ); // If meta doesn't exist. } if ( is_protected_meta( $meta->meta_key, 'post' ) || is_protected_meta( $key, 'post' ) || ! current_user_can( 'edit_post_meta', $meta->post_id, $meta->meta_key ) || ! current_user_can( 'edit_post_meta', $meta->post_id, $key ) ) { wp_die( -1 ); } if ( $meta->meta_value !== $value || $meta->meta_key !== $key ) { $u = update_metadata_by_mid( 'post', $mid, $value, $key ); if ( ! $u ) { wp_die( 0 ); // We know meta exists; we also know it's unchanged (or DB error, in which case there are bigger problems). } } $x = new WP_Ajax_Response( array( 'what' => 'meta', 'id' => $mid, 'old_id' => $mid, 'data' => _list_meta_row( array( 'meta_key' => $key, 'meta_value' => $value, 'meta_id' => $mid, ), $c ), 'position' => 0, 'supplemental' => array( 'postid' => $meta->post_id ), ) ); } $x->send(); }