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run code in 300+ PHP versions simultaneously
<?php function test(&$arr) { static $a; var_dump($a); if (!isset($a)) { $a = &$arr; } } $arr = [1, 2, 3]; test(&$arr); test(&$arr);
Output for 7.0.0 - 7.0.2
Parse error: syntax error, unexpected '&' in /in/Zt8Nv on line 15
Process exited with code 255.
Output for 5.5.24 - 5.5.31, 5.6.8 - 5.6.17
Fatal error: Call-time pass-by-reference has been removed in /in/Zt8Nv on line 15
Process exited with code 255.
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165.93 ms | 1395 KiB | 28 Q