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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 |
|---|---|
| 927 | * Arguments to retrieve templates. All arguments are optional. |
| 928 | * |
| 929 | * @type string[] $slug__in List of slugs to include. |
| 930 | * @type int $wp_id Post ID of customized template. |
| 931 | * @type string $area A 'wp_template_part_area' taxonomy value to filter by (for 'wp_template_part' template type only). |
| 932 | * @type string $post_type Post type to get the templates for. |
| 933 | * } |
| 934 | * @param string $template_type 'wp_template' or 'wp_template_part'. |
| 935 | */ |
| 936 | $templates = apply_filters( 'pre_get_block_templates', null, $query, $template_type ); |
| 937 | if ( ! is_null( $templates ) ) { |
| 938 | return $templates; |
| 939 | } |
| 940 | |
| 941 | $post_type = isset( $query['post_type'] ) ? $query['post_type'] : ''; |
| 942 | $wp_query_args = array( |
| 943 | 'post_status' => array( 'auto-draft', 'draft', 'publish' ), |
| 944 | 'post_type' => $template_type, |
| 945 | 'posts_per_page' => -1, |