<?php
 
error_reporting(-1);
mb_internal_encoding ('utf-8');
 
$text = "А роза упала на лапу Азора";
$result = 'палиндром';
$text1 = str_replace(" ", "", mb_strtolower($text));
$length = mb_strlen($text1);
$halfLength = floor($length / 2);
echo "{$text1}\n";
 
$length = mb_strlen($text1);
$halfLength = floor($length / 2);
 
for ($i = 0; $i <= $halfLength; $i++){
 
	$f = mb_substr($text1, $i - 1, 1);
	$l = mb_substr($text1, -$i, 1);
 
	if ($f == $l) {
		echo "Win {$f} = {$l}  {$result}\n";
	} else { echo "Fail [$f $l] не {$result} \n";
}
}

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