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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 |
---|---|
4859 |
|
4860 | /** |
4861 | * Filters the list of all found galleries in the given post. |
4862 | * |
4863 | * @since 3.6.0 |
4864 | * |
4865 | * @param array $galleries Associative array of all found post galleries. |
4866 | * @param WP_Post $post Post object. |
4867 | */ |
4868 | return apply_filters( 'get_post_galleries', $galleries, $post ); |
4869 | } |
4870 |
|
4871 | /** |
4872 | * Check a specified post's content for gallery and, if present, return the first |
4873 | * |
4874 | * @since 3.6.0 |
4875 | * |
4876 | * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global $post. |
4877 | * @param bool $html Optional. Whether to return HTML or data. Default is true. |