note 108154 added to language.operators.assignment
| From: | anthony at berglas dot org | Date: | Tue, 03 Apr 2012 07:00:26 +0000 |
| Subject: | note 108154 added to language.operators.assignment | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-186944@lists.php.net to get a copy of this message | ||
The "$$" operator should be mentioned. I just discovered this wonderful construct.
$x = "y";
$$x = "z";
now $y == "z"
Thus gems like
foreach ($_REQUEST as $k => $v) $$k = $v;
P.S. Could you make those anti spam questions easier? Took a long time to google "nine minus
seven".
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Manual Page -- http://www.php.net/manual/en/language.operators.assignment.php
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