3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [ @Peehaa , @NickC , @Jack , @cyril ]; foreach(new LimitIterator(new InfiniteIterator(new ArrayIterator($a)),0,100) as $u) { printf("%s hi \n",$u); }

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40.55 ms | 402 KiB | 5 Q