<?php
 
$text = "А роза упала на лапу Азора";
 
$mbStrtolower = mb_strtolower ($text);
$explodeText = explode (' ', $mbStrtolower);
$implodeText = implode ('', $explodeText);
 
$lengh = mb_strlen ($implodeText);
 
for ($i = 0; $i <= $lengh; $i++) {
   $half1 = mb_substr ($implodeText, $i, 1);
   $summaHalf1 = $summaHalf1.$half1;
   $half2 = mb_substr ($implodeText, $i, 1);
   $summaHalf2 = $half2.$summaHalf2;
}
 
if ($summaHalf1 == $summaHalf2) {
echo "{$text} ЯВЛЯТСЯ ПАЛИНДРОМОМ </br>";
}
else {
echo "$text НЕ ЯВЛЯЕТСЯ ПАЛИНДРОМОМ";
 
};
?>

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