note 35014 deleted from function.defined by betz
| From: | betz@php.net | Date: | Fri, 23 Apr 2004 11:49:29 +0000 |
| Subject: | note 35014 deleted from function.defined by betz | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-68654@lists.php.net to get a copy of this message | ||
Note Submitter: adamh@densi.com
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The behavior of defined() is not exactly same as isset():
$foo = null;
define("FOO", null);
if (isset($foo)) print "\$foo is set\n"; // will NOT print
if (defined("FOO")) print "FOO is defined\n"; // WILL print