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@ 2015-10-02T13:15:27Z

<?php


class Tester
{
	private $code = 0;

	static private $instance;

	private function __construct()
	{

	}

	static public function getInstance()
	{
		if (self::$instance === null) {
			self::$instance = new self();

		}

		return self::$instance;
	}

	private $errors = array();

	public function addError($txt, $code = 1) {
		$this->errors[] = ['txt' => $txt, 'code' => $code, 'tm' => date('Y-m-d H:i:s')];
		if ($this->code === 0) {
			$this->code = $code;
		}
	}

	public function countErrors()
	{
		return count($this->errors);
	}
	public function valid()
	{
		return empty($this->errors) ? '0' : ($this->code != 0 ? $this->code : '999');
	}

	public function showErrors()
	{
		return print_r($this->errors,1);
	}

	public function __toString()
	{
		return $this->showErrors();
	}
}
$tester = Tester::getInstance();


$s = serialize($tester);

$d = deserialize($s);

var_dump($d);

Output for git.master, git.master_jit, rfc.property-hooks: Fatal error: Uncaught Error: Call to undefined function deserialize() in /in/T32Nn:58 Stack trace: #0 {main} thrown in /in/T32Nn on line 58
Process exited with code 255.

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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