src/Input.php
protected function filter(&$value)
	{
		if (is_scalar($value)) {
			return htmlspecialchars($value, ENT_QUOTES | ENT_SUBSTITUTE, 'UTF-8');
		} elseif (is_array($value)){
			array_walk_recursive($value, [$this, 'filter']);
		} elseif (is_object($value)) {
			foreach (get_object_vars($value) as $k => $v) {
				$value->$k = $this->filter($value);
			}
		}

		return $value;
	}
protected function filter(&$value)
	{
		if (is_scalar($value)) {
			return htmlspecialchars($value, ENT_QUOTES | ENT_SUBSTITUTE, 'UTF-8');
		} elseif (is_array($value)){
			array_walk_recursive($value, [$this, 'filter']);
		} elseif (is_object($value)) {
			foreach (get_object_vars($value) as $k => $v) {
				$value->$k = $this->filter($value);
			}
		}

		return $value;
	}
protected function filter ( & $ value ) { if ( is_scalar ( $ value ) ) { return htmlspecialchars ( $ value , ENT_QUOTES | ENT_SUBSTITUTE , 'UTF-8' ) ; } elseif ( is_array ( $ value ) ) { array_walk_recursive ( $ value , [ $ this , 'filter' ] ) ; } elseif ( is_object ( $ value ) ) { foreach ( get_object_vars ( $ value ) as $ k => $ v ) { $ value -> $ k = $ this -> filter ( $ value ) ; } } return $ value ; }
Filters a variable reference for XSS.

@param $value
@return string
Filters a variable reference for XSS .