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run code in 300+ PHP versions simultaneously
<?php $a = array('12'); array_walk(&$a, 'intval'); var_dump($a);
Output for 5.4.0 - 5.4.24
Fatal error: Call-time pass-by-reference has been removed in /in/CSV7J on line 4
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Deprecated: Call-time pass-by-reference has been deprecated in /in/CSV7J on line 4 array(1) { [0]=> string(2) "12" }
preferences:
169.87 ms | 1395 KiB | 62 Q