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@ 2016-04-21T02:02:18Z

<?php
$unserialize_str = 'a:2:{s:4:"user";b:1;s:4:"pass";b:"s878926199a";}';
$u=unserialize($unserialize_str);
echo $u;

$_POST='a:3:{s:8:"username";b:1;s:8:"password";b:s878926199a;s:5:"login";s:5:"Login";}';
//$USER="ADMIN";
//$PASS="PASS";
$P=unserialize($_POST);
echo $P;

 if(isset($_POST['login']))
 {
	$user = addslashes($_POST['username']);
	if(strlen($user)>50)
		die("用户名长度不能超过50个字符");

	$user=urldecode($user);
	$user_arr=unserialize($user);
	
	$pass = addslashes($_POST['password']);
    $adminpass="!1793422703!";
    if($pass==$adminpass){die("请勿攻击admin账户!");}
    
    if(md5($pass)==md5($adminpass)){
		
		if($user_arr['user']==$USER && $user_arr['pass']==$PASS)
			echo "Well done, the key:".$KEY;//KEY隐藏了
		else
			die("用户名错误");
    }else{
        die("密码错误!");
    }
 }
?>

Output for git.master, git.master_jit: Notice: unserialize(): Error at offset 31 of 48 bytes in /in/niafh on line 3 Notice: unserialize(): Error at offset 39 of 78 bytes in /in/niafh on line 9
Output for rfc.property-hooks: Warning: unserialize(): Error at offset 31 of 48 bytes in /in/niafh on line 3 Warning: unserialize(): Error at offset 39 of 78 bytes in /in/niafh on line 9

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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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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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