<?php
 
error_reporting(-1);
mb_internal_encoding('utf-8');
 
$text = "A roza upala na lapu Azora";
$result = "palindrome";
 
$text = mb_strtolower($text);
$text = str_replace(" ", "", $text);
 
$length = mb_strlen($text) - 1;
$halfLength = floor($length / 2);
 
for ($i = 0; $i <= $halfLength; $i++) {
    if (mb_substr($text, $i, 1) != mb_substr($text, $length - $i, 1)) {
        $result = "not palindrome";       
        break; 
    }
}
 
echo "{$result}\n";
 

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