PHP #1 Palindrome - Answer for https://www.testdome.com/questions/php/palindrome/7320?visibility=1&skillId=5

palindrome.php

<?php
class Palindrome
{
    public static function isPalindrome($word)
    {
        $word = str_replace(' ', '', $word); 
        $word = preg_replace('/[^A-Za-z0-9\-]/', '', $word); 
        $word = strtolower($word); 
        $word_ = strrev($word);
        if ($word_ == $word) {
            return true;
        } 
        else {
            return false;
        }
    }
}

echo Palindrome::isPalindrome('Deleveled');

Ok scratch that your answer does work, I guess it wants you actually call the function, nm.