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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 |
|---|---|
| 699 | } |
| 700 | |
| 701 | usort( $result, 'sort_cats' ); |
| 702 | |
| 703 | return $result; |
| 704 | } |
| 705 | |
| 706 | function write_nested_categories( $categories ) { |
| 707 | foreach ( $categories as $category ) { |
| 708 | echo '<li id="category-', $category['cat_ID'], '"><label for="in-category-', $category['cat_ID'], '" class="selectit"><input value="', $category['cat_ID'], '" type="checkbox" name="post_category[]" id="in-category-', $category['cat_ID'], '"', ($category['checked'] ? ' checked="checked"' : "" ), '/> ', wp_specialchars( apply_filters('the_category', $category['cat_name'] )), "</label></li>"; |
| 709 | |
| 710 | if ( $category['children'] ) { |
| 711 | echo "<ul>\n"; |
| 712 | write_nested_categories( $category['children'] ); |
| 713 | echo "</ul>\n"; |
| 714 | } |
| 715 | } |
| 716 | } |
| 717 | |