note 107605 deleted from function.array-reverse by danbrown
| From: | danbrown@php.net | Date: | Thu, 10 May 2012 20:39:07 +0000 |
| Subject: | note 107605 deleted from function.array-reverse by danbrown | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-187821@lists.php.net to get a copy of this message | ||
Note Submitter: laymain at gmail dot com
----
<?php
function array_reverse_ref(array &$array, $preserve_keys = false)
{
$new_array = array();
for (end($array); ($key = key($array)) !== null; end($array))
{
$value = array_pop($array);
if ($preserve_keys) $new_array[$key] = $value;
else $new_array[] = $value;
}
$array = $new_array;
}
$test = array(
1 => 'first',
6 => 'mid',
3 => 'last',
);
array_reverse_ref($test, true);
var_dump($test);
/*
array(3) {
[3]=>
string(4) "last"
[6]=>
string(3) "mid"
[1]=>
string(5) "first"
}
*/
array_reverse_ref($test);
var_dump($test);
/*
array(3) {
[0]=>
string(5) "first"
[1]=>
string(3) "mid"
[2]=>
string(4) "last"
}
*/