Home  >  Article  >  Backend Development  >  !声明函数时,函数名前面带个&是什么意思?

!声明函数时,函数名前面带个&是什么意思?

WBOY
WBOYOriginal
2016-06-13 11:43:19879browse

求助!声明函数时,函数名前面带个&是什么意思???

本帖最后由 zx11307 于 2013-12-24 17:57:24 编辑 如题所述:
例如
<br />function &ret_ref(){<br />$var="php";<br />return $var;<br />}<br />$v=&ret_ref();

函数前面带&和不带&有什么区别么?为什么要加个&
Statement:
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn