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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.
| Line | Code |
|---|---|
| 117 | |
| 118 | if ( $category_nicename == '' ) { |
| 119 | $category_nicename = sanitize_title($cat_name, $cat_ID ); |
| 120 | $wpdb->query( "UPDATE $wpdb->categories SET category_nicename = '$category_nicename' WHERE cat_ID = '$cat_ID'" ); |
| 121 | } |
| 122 | |
| 123 | wp_cache_delete($cat_ID, 'category'); |
| 124 | |
| 125 | if ($update) { |
| 126 | do_action('edit_category', $cat_ID); |
| 127 | } else { |
| 128 | wp_cache_delete('all_category_ids', 'category'); |
| 129 | do_action('create_category', $cat_ID); |
| 130 | do_action('add_category', $cat_ID); |
| 131 | } |
| 132 | |
| 133 | return $cat_ID; |
| 134 | } |
| 135 | |