/**
* Load all iconfonts charlist.
* @return array
*/
public static function load_all_charlist()
{
if (!empty(self::$charlist)) {
return self::$charlist;
}
$char_sets = array();
$iconfonts = self::get_all_iconfonts();
foreach ($iconfonts as $iconfont) {
$chars = array();
$charmap = path_join($iconfont['font_dir'], $iconfont['charmap']);
if ($charmap && is_readable($charmap)) {
include_once $charmap;
}
if (!empty($chars)) {
$char_sets = array_merge($char_sets, $chars);
}
}
// Cache the result
self::$charlist = $char_sets;
return $char_sets;
}
