#training Is A Palíndrome word

isAlmostPalindrome.php

<?php
# check for palindrome words
# if the word have almost 1 letter to be changed to be a plindrome, it will be a palíndrome.

function isAlmostPalindrome($word) {
	
	$count_diference = 0;
	$word_reverse = strrev($word);
	
	$word_as_array = str_split($word);
	
	foreach(str_split($word_reverse) as $key => $letter) {
		
		if ($letter !== $word_as_array[$key]) {
			$count_diference++;
		}
		
		if ($count_diference > 2) {
			return " it isn't a palindrome";
		} elseif($key === sizeof(str_split($word_reverse))-1) {
			return " it is a palindrome";
		}
		
	}
	
	return " it " . ( ($word_reverse === $word) ? ' is ' : " isn't" ) . ' a palindrome';	
	
}


echo isAlmostPalindrome('abccba') .'<br>';
echo isAlmostPalindrome('abccbx') .'<br>';
echo isAlmostPalindrome('abcckx') .'<br>';