Can someone tell me what a tilde means ?

The humble tilde (~). I came across it the other day in some PHP code

~E_ERROR

I'm curious, can't find any documentation on it. In math it refers to
propostional logic, is it the same thing in PHP ?

> The humble tilde (~). I came across it the other day in some PHP code
>

~E_ERROR

>
> I'm curious, can't find any documentation on it. In math it refers to
> propostional logic, is it the same thing in PHP ?

~ $a Not Bits that are set in $a are not set, and vice versa.

http://hu.php.net/manual/en/language...rs.bitwise.php

greets,
Zoltán Németh

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