/**
* Assemble the list of icon types with MLA filtering
*
* @since 1.40
*
* @return boolean Success (true) or failure (false) of the operation
*/
private static function _get_current_icon_types()
{
if (NULL != self::$mla_current_icon_types) {
return true;
}
/*
* Get the directories in reverse order, so earlier entries will overwrite later entries and win
*/
$icon_dir = apply_filters('icon_dir', ABSPATH . WPINC . '/images/crystal');
$icon_dir_uri = apply_filters('icon_dir_uri', includes_url('images/crystal'));
$dirs = array_reverse(apply_filters('icon_dirs', array($icon_dir => $icon_dir_uri)), true);
self::$mla_current_icon_types = array();
while ($dirs) {
$keys = array_keys($dirs);
$dir = array_shift($keys);
$uri = array_shift($dirs);
if ($dh = opendir($dir)) {
while (false !== ($file = readdir($dh))) {
$file = basename($file);
if (substr($file, 0, 1) == '.') {
continue;
}
if (!in_array(strtolower(substr($file, -4)), array('.png', '.gif', '.jpg'))) {
if (is_dir("{$dir}/{$file}")) {
$dirs["{$dir}/{$file}"] = "{$uri}/{$file}";
}
continue;
}
$name = substr($file, 0, -4);
self::$mla_current_icon_types[$name] = "{$uri}/{$file}";
}
closedir($dh);
}
}
return true;
}
