1. PHP / Говнокод #19034

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    <?php

class Palindrome {
	protected $text;

	function __construct($text) {
		$this->text = $text;
	}

	protected function isPalindrome($text) {
		$string	= mb_strtolower(preg_replace("/[^A-Za-zА-Яа-я0-9]/", "", $text));
		$status = mb_strlen($string) > 2?($string == $this->reverce($string)):false;

		return (object) [
				'status' => $status, 
				'string' => $string, 
				'original' => trim($text, ' ')
			];
	}

	protected function comparingStrings($first_string, $last_string) {
		$comparing = mb_strlen($first_string) > mb_strlen($last_string);
		return $comparing?$first_string:$last_string;
	}

	protected function findPalindrome()
	{
		$palindrome = mb_strlen($this->text);
		$result		= false;

		for ($i = 0; $i < $palindrome; $i++) {
			$palindrome_c = $palindrome-$i;
			for ($j = 0; $j < $palindrome_c; $j++) {
				$find 		= $this->isPalindrome(mb_substr($this->text, $j, $palindrome_c, "UTF-8"));

				if ($find->status) {
					$result = $this->comparingStrings($find->original, $result);
				}
			}
		}

		return $result;
	}

	public function view() {
		if ($this->isPalindrome($this->text)->status) 
			return $this->text;

		if ($palindrome = $this->findPalindrome())
			return $palindrome;

		return mb_substr($this->text, 0, 1);
	}
}

$view = 'Введите палиндром!';

if (isset($_POST['text'])) {
	$palindrome = new Palindrome($_POST['text']);
	$view = $palindrome->view();
}

?> 

<html>
	<head>
		<title>Palindrome</title>
	</head>
	<body>
		<div><?=$view?></div>
		<form action="?" method="POST">
			<input type="text" name="text">
			<input type="submit">
		</form>
	</body>
</html>

    Накатил тестовое на коленке.

    Запостил: HiNeX, 17 Ноября 2015

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