note 20702 added to control-structures.switch
| From: | php-general at lists dot php dot net | Date: | Fri, 12 Apr 2002 22:52:15 +0000 |
| Subject: | note 20702 added to control-structures.switch | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-29182@lists.php.net to get a copy of this message | ||
Proof that the test expression is evaluated only once at the beginning of the switch:
$i = 1;
switch ($i) {
case ++$i: print "first";
case 2: print "second";
}
This prints nothing.
--
http://www.php.net/manual/en/control-structures.switch.php
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