<?php
 
error_reporting (-1);
mb_internal_encoding('utf-8');
 
$text = "А роза упала на лапу Азора";
$result = "";
 
$textLower = mb_strtolower ($text);
$textNoSpace = str_replace(" ", "", $textLower);
 
$lengthText = mb_strlen($textNoSpace);
$halfLengthText = floor($lengthText / 2);
 
for ($i = 0; $i <= $halfLengthText; $i++) {
   $substrText1 = mb_substr ($textNoSpace, $i, 1);
   $substrText2 = mb_substr ($textNoSpace, $lengthText-1-$i, 1);
 
 if ($substrText1 == $substrText2) {
    $result = "палиндром";
 } else {
    $result = "не палиндром";
 break;
   }
}
 
echo "Итого: Это {$result}\n";
// your code goes here

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