note 109706 modified in function.array-intersect-key by danbrown
| From: | danbrown@php.net | Date: | Fri, 31 Aug 2012 16:36:14 +0000 |
| Subject: | note 109706 modified in function.array-intersect-key by danbrown | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-190386@lists.php.net to get a copy of this message | ||
Simple key white-list filter: <?php $arr
= array('a' => 123, 'b' => 213, 'c'
=> 321); $allowed = array('b',
'c'); print_r(array_intersect_key($arr,
array_flip($allowed))); ?> Will
return: Array ( [b] =>
213 [c] => 321 )
--was--
Simple key white-list filter:
$arr = array('a' => 123, 'b' => 213, 'c' => 321);
$allowed = array('b', 'c');
print_r(array_intersect_key($arr, array_flip($allowed)));
Will return:
Array
(
[b] => 213
[c] => 321
)
http://php.net/manual/en/function.array-intersect-key.php