note 76244 deleted from ref.array by nlopess
| From: | nlopess@php.net | Date: | Fri, 13 Jul 2007 19:18:51 +0000 |
| Subject: | note 76244 deleted from ref.array by nlopess | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-128476@lists.php.net to get a copy of this message | ||
Note Submitter: Jason
----
<?php
/* Another version of subArr() function by simone dot
carletti at unimc dot it:
written for http://www.hendersonpoolservice.info
*/
//{{{ array_select()
/**
* Choose array element with given keys
*
* @param Array $arr
* @param Array $keys Keys/indexes of elements to choose
* @return Array Array with elements being references to the elements od original array
with chosen indexes.
*/
function &array_select($arr, $keys)
{
$res = array();
foreach ($keys as $key) {
if (array_key_exists($key, $arr)) {
$res[$key] =& $arr[$key];
}
}
return $res;
} // end: array_select() }}}
/*
In my opinion it should be faster than subArr().
Another difference from subArr() is that elements of returned array are references to the same
variables as elements of original array (this can be easily changed)
*/
?>