3v4l.org

run code in 200+ php & hhvm versions
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<? print hex2bin("3d3d516343746d4d6d6c315669563362"); ?>
Output for 5.4.0 - 7.2.0
==QcCtmMml1ViV3b
Output for 4.3.0 - 5.3.29
<? print hex2bin("3d3d516343746d4d6d6c315669563362"); ?>