<?php
class Palindrome
{
    public static function isPalindrome($word)
    {

		$word = lcfirst($word);
        $temporary = '';

		$panjang = strlen($word);
		for ($i = $panjang; $i >= 0; --$i) {
			@$temporary .= $word[$i];
		}
		return (strtolower($word) === strtolower(strrev($word)));
    }
}

echo Palindrome::isPalindrome('Deleveled');