protected static function _filter($libs, array $config, array $options = array())
{
if (is_callable($options['format'])) {
foreach ($libs as $i => $file) {
$libs[$i] = $options['format']($file, $config);
}
$libs = $options['name'] ? preg_grep("/{$options['name']}\$/", $libs) : $libs;
}
if ($exclude = $options['exclude']) {
if (is_string($exclude)) {
$libs = preg_grep($exclude, $libs, PREG_GREP_INVERT);
} elseif (is_callable($exclude)) {
$libs = array_values(array_filter($libs, $exclude));
}
}
if ($filter = $options['filter']) {
if (is_string($filter)) {
$libs = preg_grep($filter, $libs);
} elseif (is_callable($filter)) {
$libs = array_filter(array_map($filter, $libs));
}
}
return $libs;
}