PHP有没有USE这个关键词
我看的一些PHP的资料好像都没有USE。但是刚才看一个框架时发现里面用到了USE。
[解决办法]
我猜 没有吧
[解决办法]
这个不明白啊
[解决办法]
<?php
namespace foo;
use My\Full\Classname as Another;
// this is the same as use My\Full\NSname as NSname
use My\Full\NSname;
// importing a global class
use ArrayObject;
$obj = new namespace\Another; // instantiates object of class foo\Another
$obj = new Another; // instantiates object of class My\Full\Classname
NSname\subns\func(); // calls function My\Full\NSname\subns\func
$a = new ArrayObject(array(1)); // instantiates object of class ArrayObject
// without the "use ArrayObject" we would instantiate an object of class foo\ArrayObject
?>
好像是给一个类定义别名：如下
use class3 as Another;
use class3 as Another1;
use class3 as Another2;
$obj = new Another; //
$obj = new Another1; //
$obj = new Another2; //
[解决办法]
php 5.3+
