Filters a list of library search results by the given set of options.
Parameters
- array $libs List of found libraries.
- array $config The configuration of the library currently being searched within.
- array $options The options used to filter/format `$libs`.
Returns
array Returns a copy of `$libs`, filtered and transformed based on the configuration provided in `$options`.Source
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;
}