<?php
 
error_reporting(-1);
mb_internal_encoding('utf-8');
 
$text = "абвгдеёжз";
$result = 'палиндром';
 
$cleanSpace = str_replace(" ","",$text);
$cleanCapital = mb_strtolower($cleanSpace);
$s=1;
 
 
$length = mb_strlen($cleanCapital);
$halfLength = floor($length/ 2);
 
for ($i = 0; $i <= $halfLength; $i++) {
	$symbol = mb_substr ($cleanCapital, $i,1);
    if ($i == 0) {
	$symbol2 = mb_substr ($cleanCapital,-$i, -$i+1);
	} elseif ($i != 0) {
	$symbol2 = mb_substr ($cleanCapital,-$i-1, -$i);
	}
 
	echo "$symbol $symbol2\n";
	 if ($symbol != $symbol2) {
		$s=$s+1;
		break;
		}
}
if ($s==1) {
    	echo "{$result}";
	} elseif ($s==2) {
		echo "Это не палиндром засранец";
    }

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