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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 |
|---|---|
| 6174 | |
| 6175 | /** |
| 6176 | * Filters query arguments passed to WP_Query in get_pages. |
| 6177 | * |
| 6178 | * @since 6.3.0 |
| 6179 | * |
| 6180 | * @param array $query_args Array of arguments passed to WP_Query. |
| 6181 | * @param array $parsed_args Array of get_pages() arguments. |
| 6182 | */ |
| 6183 | $query_args = apply_filters( 'get_pages_query_args', $query_args, $parsed_args ); |
| 6184 | |
| 6185 | $pages = new WP_Query(); |
| 6186 | $pages = $pages->query( $query_args ); |
| 6187 | |
| 6188 | if ( $child_of || $hierarchical ) { |
| 6189 | $pages = get_page_children( $child_of, $pages ); |
| 6190 | } |
| 6191 | |
| 6192 | if ( ! empty( $parsed_args['exclude_tree'] ) ) { |