note 99588 deleted from function.trim by hholzgra
| From: | hholzgra@php.net | Date: | Thu, 02 Aug 2012 12:31:56 +0000 |
| Subject: | note 99588 deleted from function.trim by hholzgra | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-189675@lists.php.net to get a copy of this message | ||
Note Submitter: Knut Kohl
----
Please consider the following:
<?php
$a = '0';
if (trim($a)) {
echo 'Never ever ...';
} else {
echo 'YES, "(bool)trim(\'0\')" is FALSE';
}
?>
So never forget to use:
if (trim($a) != '') ...
This cast costs me some time...