/**
* Returns an array of this class' constant names which are defined
* in this instance
* @return string[]
*/
public function getNames()
{
$isSet = PHPArray::filter(static::getConstants(), function ($value) {
return $this->hasFlag($value);
});
return \array_keys($isSet);
}
public function testFilter()
{
$arr = array(3, 2, 1);
$arr = PHPArray::filter($arr, function ($item) {
return $item % 2 === 0;
});
$this->assertCount(1, $arr);
}
/**
* Returns a new list with only those items passing a given predicate
* @param \Closure $predicate
* @return \static
*/
public function filter(\Closure $predicate)
{
return new static(PHPArray::filter($this->_Arr, $predicate));
}
