php设计模式:命名空间,类的自动加载,SPL标准库(理解),PSR_0基础框架
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当实例化类的时候,自己执行这个方法
// function __autoload($class){
// include __DIR__.'/'.$class.'.php';
// }
类的自动加载,当实例化类的时候会找里面的方法('autoload')
// spl_autoload_register('autoload');
// function autoload($class){
// include __DIR__.'/'.$class.'.php';
// }
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