note 87276 rejected from function.array-diff by danbrown
| From: | danbrown@php.net | Date: | Thu, 27 Nov 2008 17:13:02 +0000 |
| Subject: | note 87276 rejected from function.array-diff by danbrown | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-147049@lists.php.net to get a copy of this message | ||
Note Submitter: marcin dot butlak at gmail dot com
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pyerre this a simple A \ B mathematical operation there is no tricky behaviour behind of this. When
in your case set A = {a} and set B = {a,b} operation A \ B will return an empty set because set A
isn't containing any elements that aren't occuring in set B.