- substr_replace: documentation ( source)
- print_r: documentation ( source)
- implode: documentation ( source)
- str_replace: documentation ( source)
- strlen: documentation ( source)
- range: documentation ( source)
<?php
namespace WebSharks\Challenge;
$a = ['patdumona', 'kristinedp', 'raamdes', 'renzmp', 'reedysete'];
print_r(str_replace(strlen($a),strlen($a-4),$a,$i));
echo implode(substr_replace($a,range("a","z",3),-1));