Re: & infront of variable??
| From: | Jonas Jochum | Date: | Tue, 20 Jun 2000 16:12:54 +0000 |
| Subject: | Re: & infront of variable?? | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-2317@lists.php.net to get a copy of this message | ||
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Am 20.06.00 um 16:53 hat Alan Morey geschrieben:
AM>What does the '&' do when it is infront of a variable?
AM>eg. &$var
AM>i've seen it used in some scripts but i don't know what it's does.
$foo = $bar; would make a copy of $bar named $foo
$foo = &$bar; would make a reference to $bar, like a pointer in C, I
guess. So, if you set $foo = 1, then you actually set $bar = 1.
- --
Reg.,
Jonas Jochum
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