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run code in 200+ php & hhvm versions
Bugs & Features
<?php function test(&$arr) { static $a; var_dump($a); if (!isset($a)) { $a = &$arr; } } $arr = [1, 2, 3]; test(&$arr); test(&$arr);
based on NJuUr
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 5.4.12 - 5.6.17
Fatal error: Call-time pass-by-reference has been removed in /in/Zt8Nv on line 15
Process exited with code 255.
Output for 5.3.22 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/Zt8Nv on line 13
Process exited with code 255.