<?php
 
        error_reporting(-1);
        mb_internal_encoding('utf-8');
 
        $text="А роза упала на лапу Азора";
 
        $text=str_replace(" ","",$text);
        $text=mb_strtolower($text);
        $lenght=mb_strlen($text);
        $textarray= preg_split("//u",$text);
 
        for($i=$lenght;$i>=0;$i--) {
        	$text1.=$textarray[$i];
        	}
 
        if ($text1==$text) {
        	echo "палиндром";
        } else {
        	echo "не палиндром";
        }
 
    ?>

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