加载另一个文件类的方法 当前文件下有a.php 和b.php,想要在class b中引入class a <?php class a { public $name = 'zhouqi'; public function say() { echo 'hello '.$this->name; } } <?php class b { //require('a.php'); 错
The API: int read4(char *buf) reads 4 characters at a time from a file. The return value is the actual number of characters read. For example, it returns 3 if there is only 3 characters left in the file. By using the read4 API, implement the function