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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 |
---|---|
2789 | * This filter registers the collection parameter, but does not map the |
2790 | * collection parameter to an internal WP_Query parameter. Use the |
2791 | * `rest_{$this->post_type}_query` filter to set WP_Query parameters. |
2792 | * |
2793 | * @since 4.7.0 |
2794 | * |
2795 | * @param array $query_params JSON Schema-formatted collection parameters. |
2796 | * @param WP_Post_Type $post_type Post type object. |
2797 | */ |
2798 | return apply_filters( "rest_{$this->post_type}_collection_params", $query_params, $post_type ); |
2799 | } |
2800 |
|
2801 | /** |
2802 | * Sanitizes and validates the list of post statuses, including whether the |
2803 | * user can query private statuses. |
2804 | * |
2805 | * @since 4.7.0 |
2806 | * |
2807 | * @param string|array $statuses One or more post statuses. |