<?php
 
error_reporting(-1);
mb_internal_encoding('utf-8');
 
$resultTrue = 'Всё таки палиндром!';
$resultFalse = 'не палиндром!';
 
$text = "А роза упала на лапу Азора";
$text = mb_strtolower($text);
$text = str_replace(" ", "", $text);
$text2 = str_replace(" ", "", $text);
 
$text3 = explode($text2); 
$text4 = array_reverse($text3);
$text5 = implode($text4);
 
echo "Палиндром - {$text}, Нечто совершенно иное - {$text5}.\n";
 
if ($text == $text3) {
   echo $resultTrue;
} else {
   echo $resultFalse;
}

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