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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.
This hook occurs 2 times in this file.
| Line | Code |
|---|---|
| 1335 | * @param string $output Passed by reference. Used to append additional content. |
| 1336 | * @param object $category Category data object. |
| 1337 | * @param int $depth Depth of category in reference to parents. |
| 1338 | * @param array $args |
| 1339 | */ |
| 1340 | function start_el(&$output, $category, $depth, $args) { |
| 1341 | extract($args); |
| 1342 | |
| 1343 | $cat_name = esc_attr( $category->name); |
| 1344 | $cat_name = apply_filters( 'list_cats', $cat_name, $category ); |
| 1345 | $link = '<a href="' . get_term_link( $category, $category->taxonomy ) . '" '; |
| 1346 | if ( $use_desc_for_title == 0 || empty($category->description) ) |
| 1347 | $link .= 'title="' . sprintf(__( 'View all posts filed under %s' ), $cat_name) . '"'; |
| 1348 | else |
| 1349 | $link .= 'title="' . esc_attr( strip_tags( apply_filters( 'category_description', $category->description, $category ) ) ) . '"'; |
| 1350 | $link .= '>'; |
| 1351 | $link .= $cat_name . '</a>'; |
| 1352 | |
| 1353 | if ( (! empty($feed_image)) || (! empty($feed)) ) { |
| Line | Code |
| 1449 | * |
| 1450 | * @param string $output Passed by reference. Used to append additional content. |
| 1451 | * @param object $category Category data object. |
| 1452 | * @param int $depth Depth of category. Used for padding. |
| 1453 | * @param array $args Uses 'selected', 'show_count', and 'show_last_update' keys, if they exist. |
| 1454 | */ |
| 1455 | function start_el(&$output, $category, $depth, $args) { |
| 1456 | $pad = str_repeat(' ', $depth * 3); |
| 1457 | |
| 1458 | $cat_name = apply_filters('list_cats', $category->name, $category); |
| 1459 | $output .= "\t<option class=\"level-$depth\" value=\"".$category->term_id."\""; |
| 1460 | if ( $category->term_id == $args['selected'] ) |
| 1461 | $output .= ' selected="selected"'; |
| 1462 | $output .= '>'; |
| 1463 | $output .= $pad.$cat_name; |
| 1464 | if ( $args['show_count'] ) |
| 1465 | $output .= ' ('. $category->count .')'; |
| 1466 | if ( $args['show_last_update'] ) { |
| 1467 | $format = 'Y-m-d'; |