use of `&` keyword in PHP

2018-06-20 08:37:34

Possible Duplicate:
Reference - What does this symbol mean in PHP?

I find it difficult searching this in google, what's the use of the & keyword in PHP? A handful of examples would greatly help. Thank you, I'm a java student.

Passing by reference.Check this link

http://theserverpages.com/php/manual/en/language.references.pass.php

http://www.php.net/manual/en/language.references.return.php

变量前面的和号表示它是对变量的引用而不是值的副本。

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