WP hooks navigation: Home/browse • Actions index • Filters index
To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )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.
| Line | Code |
|---|---|
| 794 | |
| 795 | /** |
| 796 | * Filters the path to the attached file to update. |
| 797 | * |
| 798 | * @since 2.1.0 |
| 799 | * |
| 800 | * @param string $file Path to the attached file to update. |
| 801 | * @param int $attachment_id Attachment ID. |
| 802 | */ |
| 803 | $file = apply_filters( 'update_attached_file', $file, $attachment_id ); |
| 804 | |
| 805 | $file = _wp_relative_upload_path( $file ); |
| 806 | if ( $file ) { |
| 807 | return update_post_meta( $attachment_id, '_wp_attached_file', $file ); |
| 808 | } else { |
| 809 | return delete_post_meta( $attachment_id, '_wp_attached_file' ); |
| 810 | } |
| 811 | } |
| 812 | |