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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 |
|---|---|
| 4231 | /** |
| 4232 | * Filters the first-found post gallery. |
| 4233 | * |
| 4234 | * @since 3.6.0 |
| 4235 | * |
| 4236 | * @param array $gallery The first-found post gallery. |
| 4237 | * @param int|WP_Post $post Post ID or object. |
| 4238 | * @param array $galleries Associative array of all found post galleries. |
| 4239 | */ |
| 4240 | return apply_filters( 'get_post_gallery', $gallery, $post, $galleries ); |
| 4241 | } |
| 4242 | |
| 4243 | /** |
| 4244 | * Retrieve the image srcs from galleries from a post's content, if present |
| 4245 | * |
| 4246 | * @since 3.6.0 |
| 4247 | * |
| 4248 | * @see get_post_galleries() |
| 4249 | * |