note 48468 added to language.references.return
| From: | obscvresovl at NOSPAM dot hotmail dot com | Date: | Fri, 24 Dec 2004 21:09:31 +0000 |
| Subject: | note 48468 added to language.references.return | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-82281@lists.php.net to get a copy of this message | ||
An example of returning references:
<?
$var = 1;
$num = NULL;
function &blah()
{
$var =& $GLOBALS["var"]; # the same as global $var;
$var++;
return $var;
}
$num = &blah();
echo $num; # 2
blah();
echo $num; # 3
?>
Note: if you take the & off from the function, the second echo will be 2, because without &
the var $num contains its returning value and not its returning reference.
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Manual Page -- http://www.php.net/manual/en/language.references.return.php
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