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run code in 500+ PHP versions simultaneously
<?php error_reporting(E_ALL | E_STRICT); $versions = array('1', '2'); usort($versions, function ($me, $him) { debug_backtrace(FALSE); return 1; });
Output for rfc.property-hooks, git.master, git.master_jit

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101.27 ms | 2038 KiB | 4 Q