>From the Manual: empty() is the opposite of (boolean) var, except that no warning is generated when the variable is not set It appears that there is a revamp of what is considered to be empty in PHP 5. http://php.net/empty You might be better served with array_key_exists() such as: echo array_key_exists('c', $a)? 'empty':'not empty'; Mark Cain ----- Original Message ----- From: "Gabriel Birke" <gabriel.birke@xxxxxxxxx> To: <php-general@xxxxxxxxxxxxx> Sent: Sunday, May 01, 2005 4:47 PM Subject: empty function and array indices > Hello! > > Suppose I have the following code: > > $a = array('a'=>1, 'b'=>2); > echo empty($a['c'])?'empty':'not empty'; > echo $a['c']; > > Why doesn't the 2nd line output a warning when error_reporting is set > to E_ALL? Is empty() some kind of special function where the validity > of indices is not checked? If that is the case, I have two questions: > > 1. Will this behavior persist in future versions of PHP? > 2. Are there other functions or a general rule where PHP doesn't > output warnings when a nonexistant index is given? > > -- > Immanuel doesn't pun, he Kant. > > -- > PHP General Mailing List (http://www.php.net/) > To unsubscribe, visit: http://www.php.net/unsub.php > > > -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
