note 112916 deleted from function.array-diff by cmb
| From: | cmb@php.net | Date: | Sun, 17 Mar 2019 09:25:18 +0000 |
| Subject: | note 112916 deleted from function.array-diff by cmb | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-210383@lists.php.net to get a copy of this message | ||
Note Submitter: Anonymous
----
Please note that array_diff cannot compare with an undefined array. For example:
<?php
$array1 = array ("ABC", "DEF");
$Result = $array_diff( $array1, $array2);
var_dump($Result);
?>
will output NULL NULL. If your script causes an undefined array (like mine did) it can be hard to
find the mistake.
Greetings