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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 |
|---|---|
| 1305 | * @param string $output Passed by reference. Used to append additional content. |
| 1306 | * @param object $category Category data object. |
| 1307 | * @param int $depth Depth of category in reference to parents. |
| 1308 | * @param array $args |
| 1309 | */ |
| 1310 | function start_el(&$output, $category, $depth, $args) { |
| 1311 | extract($args); |
| 1312 | |
| 1313 | $cat_name = attribute_escape( $category->name); |
| 1314 | $cat_name = apply_filters( 'list_cats', $cat_name, $category ); |
| 1315 | $link = '<a href="' . get_category_link( $category->term_id ) . '" '; |
| 1316 | if ( $use_desc_for_title == 0 || empty($category->description) ) |
| 1317 | $link .= 'title="' . sprintf(__( 'View all posts filed under %s' ), $cat_name) . '"'; |
| 1318 | else |
| 1319 | $link .= 'title="' . attribute_escape( apply_filters( 'category_description', $category->description, $category )) . '"'; |
| 1320 | $link .= '>'; |
| 1321 | $link .= $cat_name . '</a>'; |
| 1322 | |
| 1323 | if ( (! empty($feed_image)) || (! empty($feed)) ) { |
| Line | Code |
| 1419 | * |
| 1420 | * @param string $output Passed by reference. Used to append additional content. |
| 1421 | * @param object $category Category data object. |
| 1422 | * @param int $depth Depth of category. Used for padding. |
| 1423 | * @param array $args Uses 'selected', 'show_count', and 'show_last_update' keys, if they exist. |
| 1424 | */ |
| 1425 | function start_el(&$output, $category, $depth, $args) { |
| 1426 | $pad = str_repeat(' ', $depth * 3); |
| 1427 | |
| 1428 | $cat_name = apply_filters('list_cats', $category->name, $category); |
| 1429 | $output .= "\t<option class=\"level-$depth\" value=\"".$category->term_id."\""; |
| 1430 | if ( $category->term_id == $args['selected'] ) |
| 1431 | $output .= ' selected="selected"'; |
| 1432 | $output .= '>'; |
| 1433 | $output .= $pad.$cat_name; |
| 1434 | if ( $args['show_count'] ) |
| 1435 | $output .= ' ('. $category->count .')'; |
| 1436 | if ( $args['show_last_update'] ) { |
| 1437 | $format = 'Y-m-d'; |