3v4l.org

run code in 300+ PHP versions simultaneously
<?php function assign_by_ref(&$ref) { $ref = 42; } $a = []; assign_by_ref($a[]); var_dump($a);

This is an error 500

Value for `_results` contains invalid data `array`


preferences:
162.55 ms | 1721 KiB | 10 Q