- strcmp: documentation ( source)
- str_repeat: documentation ( source)
- preg_match: documentation ( source)
<?php
$p=$argv[1];
preg_match("/c([ao]+)/i",$p,$e);
$l=strlen($e[1]);
$s=($k=strcmp($e[0][1],o))?eo:oo;
echo $p,' go M',str_repeat($s[0],$l),str_repeat($s[1],$l),$k?w:'';