Online PHP editor | output for OZDYb

<?php abstract class Filter { abstract public static function check($value, array $options = array()); } final class IntFilter extends Filter { public static function check($value, array $options = array()) { return $value; } } final class StringFilter extends Filter { public static function check($value, array $options = array()) { // Trim if (false !== ($options['trim'] ?? true)) { $value = trim($value); } $length = mb_strlen($value, '8bit'); // Empty if (false === ($options['empty'] ?? true)) { if (0 === $length) { throw new LengthException('chaine vide !'); } } // Min & max length if (isset($options['max'])) { $maxLength = IntFilter::check($options['max'], ['min' => 1]); if ($length > $maxLength) { throw new LengthException('trop long !'); } } if (isset($options['min'])) { $minLength = IntFilter::check($options['min'], ['min' => 1]); if ($length < $minLength) { throw new LengthException('trop court !'); } } return $value; } } var_dump(StringFilter::check(' test ', ['max' => 5]));