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Source View: pre_post_update

To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).

Understanding Source Code

The best way to understand what a hook does is to look at where it occurs in the source code.

  • Action hooks look like this: do_action( "hook_name" )
  • Filter hooks look like this: apply_filters( "hook_name", "what_to_filter" ).

Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.

Source View

Line Code
2530      $post_name = wp_unique_post_slug($post_name, $post_ID, $post_status, $post_type, $post_parent);
2531
2532      // expected_slashed (everything!)
2533      $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', 'post_modified_gmt', 'post_parent', 'menu_order', 'guid' ) );
2534      $data = apply_filters('wp_insert_post_data', $data, $postarr);
2535      $data = stripslashes_deep( $data );
2536      $where = array( 'ID' => $post_ID );
2537
2538      if ( $update ) {
2539           do_action( 'pre_post_update', $post_ID );
2540           if ( false === $wpdb->update( $wpdb->posts, $data, $where ) ) {
2541                if ( $wp_error )
2542                     return new WP_Error('db_update_error', __('Could not update post in the database'), $wpdb->last_error);
2543                else
2544                     return 0;
2545           }
2546      } else {
2547           if ( isset($post_mime_type) )
2548                $data['post_mime_type'] = stripslashes( $post_mime_type ); // This isn't in the update