<?php
/*запилить скрипт, который проверяет полиндромы*/
error_reporting(-1);
 
$text = "Аргентина манит негра";
$result = "палиндром";
 
/*убираем заглавные буквы и пробелы*/
$text = mb_strtolower($text);
$text = str_replace(" ", "", $text);
 
$length = mb_strlen($text);
$halfLength = floor($length / 2);
 
$b = 0;/*счетчик для обратных символов*/
for ($i = 0; $i < $halfLength; $i++) {
    $b -= 1;
    $firstSymbols = mb_substr($text, $i, 1);
    $lastSymbols = mb_substr($text, $b, 1);
 
    if ($firstSymbols == $lastSymbols) {
        $result = "палиндром";
    } else {
        $result = "не палиндром";
        break;
    }
}
 
echo $result;
 
 
 

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