例如类名为:../../../../etc/passwd的查找,将查看passwd文件内容,我们来看一下PHP手册对class_exists()函数的定义: class_exists :(PHP 4, PHP 5, PHP 7)功能:检查类是否已定义定义:bool class_exists ( string $class_name[, bool $autoload = true ] )$class_name为类的名字,在匹配的时候不区分...
41Username: 42 43Password: 44 45 46LOGIN 47 48 49 50 51<?php 52} 53?> 这里用于验证账号密码正确后,跳转到profile.php页面 profile.php: 1<?php 2require_once('class.php'); 3if($_SESSION['username'] ==null) { 4die('Login First'); 5} 6$username = $_SESSION['username']; 7$prof...
数组的键: int 或者 string 键的别名: 偏移量 下标 索引 数组的值: 任意类型的值 操作数组: 读取: 通过键来读取数组的值 修改: 通过已有的键 来修改数组的值 新增: 通过没有的键 来新增数组的值 删除: 通过unset( )函数来删除值 (7). 对象 boject 一切皆对象 简单获取一个对象obj=newstdclass;v...
<?php highlight_file(__FILE__); class User { private $username; private $password; public function __construct($username, $password) { $this->username = $username; $this->password = $password; } public function __sleep() { return array('username'); } } $user = new User('john',...
I get a debug page in the browser saying Uncaught Error: Class "Illuminate\..." not found. This error and similar errors indicate that you didn't run composer install before azd up, or that the packages in the /vendor directory are stale. Run composer install and azd deploy again. I ...
phpclassTestObject{}@unlink("phar.phar");$phar=newPhar("phar.phar");//后缀名必须为phar$phar->startBuffering();$phar->setStub("<?php __HALT_COMPILER(); ?>");//设置stub$o=newTestObject();$phar->setMetadata($o);//将自定义的meta-data存入manifest$phar->addFromString("test.txt","...
classRedisPool{/**@var\Swoole\Coroutine\Channel */protected$pool;/** * RedisPool constructor. *@paramint $size max connections */publicfunction__construct(int $size =100){$this->pool =new\Swoole\Coroutine\Channel($size);for($i =0; $i < $size; $i++) { ...
('session.serialize_handler', 'php'); session_start(); class OowoO { public $mdzz; function __construct() { $this->mdzz = 'phpinfo();'; } function __destruct() { eval($this->mdzz); } } if(isset($_GET['phpinfo'])) { $m = new OowoO(); } else { highlight_string(file_...
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class String{ public: //普通构造函数 String(const char *str = NULL); //拷贝构造函数 String(const String &other); //赋值函数 String & operator=(String &other) ; //析构函数 ~String(void); private: char* m_str; }; 分别实现以上四个函数 //普通构造函数 String::String(const char* str...