note 30252 deleted from function.count by googleguy
| From: | googleguy@php.net | Date: | Mon, 17 Sep 2012 00:12:49 +0000 |
| Subject: | note 30252 deleted from function.count by googleguy | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-190832@lists.php.net to get a copy of this message | ||
Note Submitter: admin at lft-muenchen dot de
----
Note:
<?php
print (strlen($a)); // will print 0
$a="";
print (strlen($a)); // will print 1
$a=null;
print (strlen($a)); // will print 1
$a=array();
print (strlen($a)); // will print 0
?>
you can only get an array back to size 0 by using the array() command, not by just setting it to
"" or null.