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run code in 300+ PHP versions simultaneously
<?php $time = microtime (); for($i = 0;$i < 10000; $i++) { $val1 = (1 === "1"); } echo microtime () - $time; echo "\n"; $time = microtime (); for($j = 0;$j < 10000; $j++) { $val2 = (1 == "1"); } echo microtime () - $time;

preferences:
22.53 ms | 402 KiB | 5 Q