note 72822 deleted from ref.array by felipe

Note Submitter: dkrysiak at o2 dot pl 

----

// note: my previous post have one small error in call to array_key_exists() - posting again - please remove this comment and that note :-)

<?php
/* Another version of subArr() function by simone dot carletti at unimc dot it: */
//{{{ 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)
*/
?>