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 |
|---|---|
| 491 | |
| 492 | /** |
| 493 | * Filters the path to the attached file to update. |
| 494 | * |
| 495 | * @since 2.1.0 |
| 496 | * |
| 497 | * @param string $file Path to the attached file to update. |
| 498 | * @param int $attachment_id Attachment ID. |
| 499 | */ |
| 500 | $file = apply_filters( 'update_attached_file', $file, $attachment_id ); |
| 501 | |
| 502 | if ( $file = _wp_relative_upload_path( $file ) ) { |
| 503 | return update_post_meta( $attachment_id, '_wp_attached_file', $file ); |
| 504 | } else { |
| 505 | return delete_post_meta( $attachment_id, '_wp_attached_file' ); |
| 506 | } |
| 507 | } |
| 508 | |
| 509 | /** |