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 |
|---|---|
| 6471 | |
| 6472 | /** |
| 6473 | * Filters the attachment caption. |
| 6474 | * |
| 6475 | * @since 4.6.0 |
| 6476 | * |
| 6477 | * @param string $caption Caption for the given attachment. |
| 6478 | * @param int $post_id Attachment ID. |
| 6479 | */ |
| 6480 | return apply_filters( 'wp_get_attachment_caption', $caption, $post->ID ); |
| 6481 | } |
| 6482 | |
| 6483 | /** |
| 6484 | * Retrieve thumbnail for an attachment. |
| 6485 | * |
| 6486 | * @since 2.1.0 |
| 6487 | * |
| 6488 | * @param int $post_id Optional. Attachment ID. Default 0. |
| 6489 | * @return string|false Thumbnail file path on success, false on failure. |