3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo pack('H*', 'HJHZmyKCHIoCoPU-PIhQGGMFB7ir9tAcIARCGErcHJY.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');

preferences:
32.04 ms | 402 KiB | 5 Q