/**
* @param array|\Traversable $subject
* @param mixed $value
*
* @return bool
*/
public static function contain($subject, $value)
{
if (is_array($subject)) {
return in_array($value, $subject, true);
}
if ($subject instanceof \Traversable) {
foreach ($subject as $entry) {
if ($entry === $value) {
return true;
}
}
return false;
}
throw new \InvalidArgumentException(sprintf('Subject of type "%s" is not iterable.', TypeHelper::getType($subject)));
}
/**
* @param mixed $key
*
* @return mixed
* @throws InvalidKeyTypeException
*/
private function convertKeyToHash(&$key)
{
if (is_scalar($key)) {
return $key;
}
if (is_object($key) && method_exists($key, '__toString')) {
return (string) $key;
}
throw new InvalidKeyTypeException(TypeHelper::getType($key));
}
/**
* @param string $var
* @param string $expectedType
* @param int $code
* @param Exception $previous
*/
public function __construct($var, $expectedType, $code = 0, Exception $previous = null)
{
parent::__construct(sprintf('Expected type "%s", but "%s" given.', $expectedType, TypeHelper::getType($var)), $code, $previous);
}
/**
* @param mixed $element
*
* @return bool
*/
private function isValidType($element)
{
return TypeHelper::isOfType($element, $this->type);
}