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run code in 150+ php & hhvm versions
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<?php $a = new StdClass(); function something(&$first) { $b = clone $first; $b->value = 4; var_dump($b); } something($a); var_dump($a);
Output for 5.0.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
object(stdClass)#2 (1) { ["value"]=> int(4) } object(stdClass)#1 (0) { }
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_VARIABLE in /in/Sn0sp on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_VARIABLE in /in/Sn0sp on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/Sn0sp on line 5
Process exited with code 255.