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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 |
|---|---|
| 3659 | /** |
| 3660 | * Filter the first-found post gallery. |
| 3661 | * |
| 3662 | * @since 3.6.0 |
| 3663 | * |
| 3664 | * @param array $gallery The first-found post gallery. |
| 3665 | * @param int|WP_Post $post Post ID or object. |
| 3666 | * @param array $galleries Associative array of all found post galleries. |
| 3667 | */ |
| 3668 | return apply_filters( 'get_post_gallery', $gallery, $post, $galleries ); |
| 3669 | } |
| 3670 | |
| 3671 | /** |
| 3672 | * Retrieve the image srcs from galleries from a post's content, if present |
| 3673 | * |
| 3674 | * @since 3.6.0 |
| 3675 | * |
| 3676 | * @see get_post_galleries() |
| 3677 | * |