<?php

error_reporting (-1);
mb_internal_encoding ('utf-8');

$text = "Херов орех";
$result = "Палиндром!";
$wrongResult = "Нихуя!";

$text = mb_strtolower($text);
$text = str_replace(" ", "", $text);

$characters = preg_split("//u", $text);

$charactersReverse = array_reverse($characters);

if ($characters == $charactersReverse) {
		echo "$result";
	
} else {
	echo "$wrongResult";
}