3v4l.org

run code in 300+ PHP versions simultaneously
<?php $class = 'Zend_Ha_Heee'; $matches = array(); preg_match('/(?P<namespace>.+\\\)?(?P<class>[^\\\]+$)/', $class, $matches); $class = (isset($matches['class'])) ? $matches['class'] : ''; $namespace = (isset($matches['namespace'])) ? $matches['namespace'] : ''; var_dump($matches, $class, $namespace);
Output for 4.3.3 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
array(5) { [0]=> string(12) "Zend_Ha_Heee" ["namespace"]=> string(0) "" [1]=> string(0) "" ["class"]=> string(12) "Zend_Ha_Heee" [2]=> string(12) "Zend_Ha_Heee" } string(12) "Zend_Ha_Heee" string(0) ""
Output for 4.3.0 - 4.3.2
array(3) { [0]=> string(12) "Zend_Ha_Heee" [1]=> string(0) "" [2]=> string(12) "Zend_Ha_Heee" } string(0) "" string(0) ""

preferences:
344.9 ms | 401 KiB | 460 Q