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run code in 300+ PHP versions simultaneously
<?php function test() {} $t = microtime(1); for ($i = 1e6; $i--;) strlen(""); print "strlen: ".(microtime(1) - $t)."\n"; $t = microtime(1); for ($i = 1e6; $i--;) test(); print "userdefiniert: ".(microtime(1) - $t)."\n";

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32.36 ms | 402 KiB | 5 Q