public function filter($filterer, $op = '===')
{
if (is_array($filterer)) {
$ops = array('===' => function ($item) use($filterer) {
foreach ($filterer as $property => $value) {
if (Collection::value($item, $property) !== $value) {
return false;
}
}
return true;
}, '!==' => function ($item) use($filterer) {
foreach ($filterer as $property => $value) {
if (Collection::value($item, $property) === $value) {
return false;
}
}
return true;
});
$callback = $ops[$op];
} elseif (is_callable($filterer)) {
$callback = $filterer;
}
if (isset($callback)) {
$this->store = array_filter($this->store, $callback);
}
return $this;
}
