php function & symbol

Possible Duplicate:
What does it mean to start a PHP function with an ampersand?

hi

Why is it that some php functions have a '&' in their signature for example

function &getData()

---

它返回一个变量的引用。

链接地址: http://www.djcxy.com/p/57242.html

上一篇: PHP尴尬的函数声明

下一篇: PHP功能和符号