3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?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] . $sF[2]) }; print_r($s22);
based on gEhWU
Output for 4.3.0 - 7.1.0
Array ( )