note 63393 added to function.defined

From: Date: Wed, 22 Mar 2006 00:05:28 +0000
Subject: note 63393 added to function.defined
Groups: php.notes 
Request: Send a blank email to php-notes+get-106186@lists.php.net to get a copy of this message
Using this function it is possible to set a default value for a constant. This allows users to set the value of constants used in your script, from within their own. Which means your script remains in it's original state. yourScript.php: <?php if(!defined('CONST_VAL')) define('CONST_VAL', 'Default Value'); echo CONST_VAL; ?> userScript.php: <?php define('CONST_VAL', 'Hello World!'); include 'yourScript.php'; ?> If you tried just defining the constant again without using the !defined() check, you would receive a "Constant CONST_VAL already defined" notice. ---- Server IP: 66.163.161.117 Probable Submitter: 202.89.181.92 ---- X-Spam-Status: No, hits=3.1 required=5.0 tests=DATE_MISSING,FROM_NO_LOWER autolearn=no version=2.64 ---- Manual Page -- http://www.php.net/manual/en/function.defined.php Edit -- http://master.php.net/note/edit/63393 Del: integrated -- http://master.php.net/note/delete/63393/integrated Del: useless -- http://master.php.net/note/delete/63393/useless Del: bad code -- http://master.php.net/note/delete/63393/bad+code Del: spam -- http://master.php.net/note/delete/63393/spam Del: non-english -- http://master.php.net/note/delete/63393/non-english Del: in docs -- http://master.php.net/note/delete/63393/in+docs Del: other reasons-- http://master.php.net/note/delete/63393 Reject -- http://master.php.net/note/reject/63393 Search -- http://master.php.net/manage/user-notes.php

« previous php.notes (#106186) next »