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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 |
|---|---|
| 3822 | /** |
| 3823 | * Filters the first-found post gallery. |
| 3824 | * |
| 3825 | * @since 3.6.0 |
| 3826 | * |
| 3827 | * @param array $gallery The first-found post gallery. |
| 3828 | * @param int|WP_Post $post Post ID or object. |
| 3829 | * @param array $galleries Associative array of all found post galleries. |
| 3830 | */ |
| 3831 | return apply_filters( 'get_post_gallery', $gallery, $post, $galleries ); |
| 3832 | } |
| 3833 | |
| 3834 | /** |
| 3835 | * Retrieve the image srcs from galleries from a post's content, if present |
| 3836 | * |
| 3837 | * @since 3.6.0 |
| 3838 | * |
| 3839 | * @see get_post_galleries() |
| 3840 | * |