An Ampersand (&) before a function means?

This question already has an answer here:

What does it mean to start a PHP function with an ampersand? 2 answers

---

It returns the result by reference. See the manual entry for it here.

链接地址: http://www.djcxy.com/p/57248.html

上一篇: PHP引用（＆符）

下一篇: 函数之前的＆符号（＆）意味着什么？