3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = []; $b = function() use(&$a) { return $a[] = new class(); }; b(); var_dump($a);
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.7
Parse error: syntax error, unexpected ';', expecting '{' in /in/vab8C on line 4
Process exited with code 255.

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