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To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
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.
This hook occurs 3 times in this file.
| Line | Code |
|---|---|
| 463 | function end_lvl(&$output, $depth, $args) { |
| 464 | $indent = str_repeat("\t", $depth); |
| 465 | $output .= "$indent</ul>\n"; |
| 466 | } |
| 467 | |
| 468 | function start_el(&$output, $category, $depth, $args) { |
| 469 | extract($args); |
| 470 | |
| 471 | $class = in_array( $category->term_id, $popular_cats ) ? ' class="popular-category"' : ''; |
| 472 | $output .= "\n<li id='category-$category->term_id'$class>" . '<label class="selectit"><input value="' . $category->term_id . '" type="checkbox" name="post_category[]" id="in-category-' . $category->term_id . '"' . (in_array( $category->term_id, $selected_cats ) ? ' checked="checked"' : "" ) . '/> ' . esc_html( apply_filters('the_category', $category->name )) . '</label>'; |
| 473 | } |
| 474 | |
| 475 | function end_el(&$output, $category, $depth, $args) { |
| 476 | $output .= "</li>\n"; |
| 477 | } |
| 478 | } |
| 479 | |
| 480 | /** |
| 481 | * {@internal Missing Short Description}} |
| Line | Code |
| 556 | $popular_ids[] = $category->term_id; |
| 557 | if ( !$echo ) // hack for AJAX use |
| 558 | continue; |
| 559 | $id = "popular-category-$category->term_id"; |
| 560 | ?> |
| 561 | |
| 562 | <li id="<?php echo $id; ?>" class="popular-category"> |
| 563 | <label class="selectit"> |
| 564 | <input id="in-<?php echo $id; ?>" type="checkbox" value="<?php echo (int) $category->term_id; ?>" /> |
| 565 | <?php echo esc_html( apply_filters( 'the_category', $category->name ) ); ?> |
| 566 | </label> |
| 567 | </li> |
| 568 | |
| 569 | <?php |
| 570 | } |
| 571 | return $popular_ids; |
| 572 | } |
| 573 | |
| 574 | /** |
| Line | Code |
| 608 | } |
| 609 | |
| 610 | $categories = get_terms('link_category', 'orderby=count&hide_empty=0'); |
| 611 | |
| 612 | if ( empty($categories) ) |
| 613 | return; |
| 614 | |
| 615 | foreach ( $categories as $category ) { |
| 616 | $cat_id = $category->term_id; |
| 617 | $name = esc_html( apply_filters('the_category', $category->name)); |
| 618 | $checked = in_array( $cat_id, $checked_categories ); |
| 619 | echo '<li id="link-category-', $cat_id, '"><label for="in-link-category-', $cat_id, '" class="selectit"><input value="', $cat_id, '" type="checkbox" name="link_category[]" id="in-link-category-', $cat_id, '"', ($checked ? ' checked="checked"' : "" ), '/> ', $name, "</label></li>"; |
| 620 | } |
| 621 | } |
| 622 | |
| 623 | // Tag stuff |
| 624 | |
| 625 | // Returns a single tag row (see tag_rows below) |
| 626 | // Note: this is also used in admin-ajax.php! |