wp-admin/includes/misc.php:1132Checks lock status for posts displayed on the Posts screen.
$responsearray$dataarray$screen_idstringarrayfunction wp_check_locked_posts( $response, $data, $screen_id ) { $checked = array(); if ( array_key_exists( 'wp-check-locked-posts', $data ) && is_array( $data['wp-check-locked-posts'] ) ) { foreach ( $data['wp-check-locked-posts'] as $key ) { $post_id = absint( substr( $key, 5 ) ); if ( ! $post_id ) { continue; } $user_id = wp_check_post_lock( $post_id ); if ( $user_id ) { $user = get_userdata( $user_id ); if ( $user && current_user_can( 'edit_post', $post_id ) ) { $send = array( 'name' => $user->display_name, /* translators: %s: User's display name. */ 'text' => sprintf( __( '%s is currently editing' ), $user->display_name ), ); if ( get_option( 'show_avatars' ) ) { $send['avatar_src'] = get_avatar_url( $user->ID, array( 'size' => 18 ) ); $send['avatar_src_2x'] = get_avatar_url( $user->ID, array( 'size' => 36 ) ); } $checked[ $key ] = $send; } } } } if ( ! empty( $checked ) ) { $response['wp-check-locked-posts'] = $checked; } return $response;}Introduced in 3.6.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-admin/includes/misc.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.