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 |
---|---|
5099 |
|
5100 | /** |
5101 | * Filters the attachment caption. |
5102 | * |
5103 | * @since 4.6.0 |
5104 | * |
5105 | * @param string $caption Caption for the given attachment. |
5106 | * @param int $post_id Attachment ID. |
5107 | */ |
5108 | return apply_filters( 'wp_get_attachment_caption', $caption, $post->ID ); |
5109 | } |
5110 |
|
5111 | /** |
5112 | * Retrieve thumbnail for an attachment. |
5113 | * |
5114 | * @since 2.1.0 |
5115 | * |
5116 | * @param int $post_id Optional. Attachment ID. Default 0. |
5117 | * @return string|false False on failure. Thumbnail file path on success. |