- var_dump: documentation ( source)
- array_diff: documentation ( source)
- str_split: documentation ( source)
<?php
$name1 = 'no_gravity';
$name2 = 'n0_gr4v1ty';
function stringDiff($string1, $string2)
{
$x = str_split($string1);
$y = str_split($string2);
return array_diff($x, $y);
}
var_dump(stringDiff($name1, $name2));