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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 |
|---|---|
| 847 | 'selected' => $post->post_parent, |
| 848 | 'name' => 'post_parent', |
| 849 | 'show_option_none' => __( 'Main Page (no parent)' ), |
| 850 | 'option_none_value' => 0, |
| 851 | 'sort_column' => 'menu_order, post_title', |
| 852 | ); |
| 853 | |
| 854 | if ( $bulk ) |
| 855 | $dropdown_args['show_option_no_change'] = __( '— No Change —' ); |
| 856 | $dropdown_args = apply_filters( 'quick_edit_dropdown_pages_args', $dropdown_args ); |
| 857 | wp_dropdown_pages( $dropdown_args ); |
| 858 | ?> |
| 859 | </label> |
| 860 | |
| 861 | <?php |
| 862 | endif; // hierarchical |
| 863 | |
| 864 | if ( !$bulk ) : ?> |
| 865 | |