3v4l.org

run code in 300+ PHP versions simultaneously
<?php $charset=str_repeat("abcdefghijklmnopqrstuvwxyz",2); $msg="tm bcsv qolfp f'dmvd xuhm exl tgak hlrkiv sydg hxm qiswzzwf qrf oqdueqe dpae resd wndo liva bu vgtokx sjzk hmb rqch fqwbg fmmft seront sntsdr pmsecq"; $format=explode(" ",$msg); for($element=0;$element<=count($format);$element++){ $string=$format[$element]; $len=strlen($string); $key=$element+1; print $string." ".$len." ".$key."\n"; for($char=0;$char<=$len-1;$char++) $l=strpos($charset,substr($string,$char+1,1)); print substr($string,$char+1,1);#$n=substr($charset,$l+$key,1); print $n."\n"; }

preferences:
31.65 ms | 407 KiB | 5 Q