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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 |
|---|---|
| 891 | * The dynamic portion of the hook name, `$this->post_type`, refers to the post type slug. |
| 892 | * |
| 893 | * Pass false to disable Trash support for the post. |
| 894 | * |
| 895 | * @since 4.7.0 |
| 896 | * |
| 897 | * @param bool $supports_trash Whether the post type support trashing. |
| 898 | * @param WP_Post $post The Post object being considered for trashing support. |
| 899 | */ |
| 900 | $supports_trash = apply_filters( "rest_{$this->post_type}_trashable", $supports_trash, $post ); |
| 901 | |
| 902 | if ( ! $this->check_delete_permission( $post ) ) { |
| 903 | return new WP_Error( |
| 904 | 'rest_user_cannot_delete_post', |
| 905 | __( 'Sorry, you are not allowed to delete this post.' ), |
| 906 | array( 'status' => rest_authorization_required_code() ) |
| 907 | ); |
| 908 | } |
| 909 | |