[PHP] Do PHP boolean operators short circuit?

[John W. Holmes]

Dan Anderson wrote:

> I am learning perl and my book describes "boolean short circuiting".
>
> Basically:
>
> function1() OR function2();
>
> (function2 never is evaluated if function1 is true).
>
> Will this work in PHP for any function?

Yes.

From my experience, it will work that way. I don't know if it's that
way for every version or not, though.

Same thing for AND, too...

function1() AND function2()

If function1() comes out FALSE, then function2() isn't evaluated.

--
---John Holmes...

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[Trevor]

yea they shortcircuit you can run a simple experiment to show that they do

http://www.theblogaholic.com/2011/01/25/does-php-short-circuit-if-statements/