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 |
|---|---|
| 4999 | |
| 5000 | /** |
| 5001 | * Filters the updated attachment meta data. |
| 5002 | * |
| 5003 | * @since 2.1.0 |
| 5004 | * |
| 5005 | * @param array $data Array of updated attachment meta data. |
| 5006 | * @param int $post_id Attachment ID. |
| 5007 | */ |
| 5008 | if ( $data = apply_filters( 'wp_update_attachment_metadata', $data, $post->ID ) ) |
| 5009 | return update_post_meta( $post->ID, '_wp_attachment_metadata', $data ); |
| 5010 | else |
| 5011 | return delete_post_meta( $post->ID, '_wp_attachment_metadata' ); |
| 5012 | } |
| 5013 | |
| 5014 | /** |
| 5015 | * Retrieve the URL for an attachment. |
| 5016 | * |
| 5017 | * @since 2.1.0 |