- substr: documentation ( source)
<?php
$str = "omceD evoL 1";
function reverseMe( String $string )
{
if ( strlen($string > 1) )
{
$reversedString = ReverseMe( substr($string, 1) ) . substr($string, 0, 1);
}
else
{
$reversedString = $string;
}
return $reversedString;
}
reverseMe($str);