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 |
|---|---|
| 7090 | |
| 7091 | /** |
| 7092 | * Filters the attachment thumbnail URL. |
| 7093 | * |
| 7094 | * @since 2.1.0 |
| 7095 | * |
| 7096 | * @param string $thumbnail_url URL for the attachment thumbnail. |
| 7097 | * @param int $post_id Attachment ID. |
| 7098 | */ |
| 7099 | return apply_filters( 'wp_get_attachment_thumb_url', $thumbnail_url, $post_id ); |
| 7100 | } |
| 7101 | |
| 7102 | /** |
| 7103 | * Verifies an attachment is of a given type. |
| 7104 | * |
| 7105 | * @since 4.2.0 |
| 7106 | * |
| 7107 | * @param string $type Attachment type. Accepts `image`, `audio`, `video`, or a file extension. |
| 7108 | * @param int|WP_Post $post Optional. Attachment ID or object. Default is global $post. |