note 88521 deleted from function.in-array by danbrown
| From: | danbrown@php.net | Date: | Mon, 08 Jun 2009 21:37:44 +0000 |
| Subject: | note 88521 deleted from function.in-array by danbrown | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-156489@lists.php.net to get a copy of this message | ||
Note Submitter: nensa at zeec dot biz
----
If you have to check very often (e.g. in a loop) against $haystack this one is much faster:
$flipped_haystack = array_flip($haystack);
[LOOP]
if (isset($flipped_haystack[$needle])) ...
[END LOOP]