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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 |
|---|---|
| 661 | |
| 662 | $cats = get_categories("type=link&orderby=$order&order=$direction&hierarchical=0"); |
| 663 | |
| 664 | // Display each category |
| 665 | if ( $cats ) { |
| 666 | foreach ( (array) $cats as $cat ) { |
| 667 | // Handle each category. |
| 668 | |
| 669 | // Display the category name |
| 670 | echo ' <li id="linkcat-' . $cat->term_id . '" class="linkcat"><h2>' . apply_filters('link_category', $cat->name ) . "</h2>\n\t<ul>\n"; |
| 671 | // Call get_links() with all the appropriate params |
| 672 | get_links($cat->term_id, '<li>', "</li>", "\n", true, 'name', false); |
| 673 | |
| 674 | // Close the last category |
| 675 | echo "\n\t</ul>\n</li>\n"; |
| 676 | } |
| 677 | } |
| 678 | } |
| 679 | |