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@ 2015-10-26T22:19:31Z

<?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]);
$s20=strtoupper($sF[11].$sF[0].$sF[7].$sF[9].$sF[2]);

echo $s21;
echo \n;
echo $s20;

Output
Performance
VLD
References
Branches

strtoupper: documentation ( source)
strtolower: documentation ( source)

preferences:dark modelive preview

47.61 ms | 402 KiB | 5 Q