note 57222 deleted from ref.array by levim
| From: | levim@php.net | Date: | Tue, 06 May 2014 22:02:24 +0000 |
| Subject: | note 57222 deleted from ref.array by levim | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-199447@lists.php.net to get a copy of this message | ||
Note Submitter: za at lombardiacom dot it
----
<?php
// Swap 2 elements in array preserving keys.
function array_swap(&$array,$key1,$key2) {
$v1=$array[$key1];
$v2=$array[$key2];
$out=array();
foreach($array as $i=>$v) {
if($i==$key1) {
$i=$key2;
$v=$v2;
} else if($i==$key2) {
$i=$key1;
$v=$v1;
}
$out[$i]=$v;
}
return $out;
}
// Move an element inside an array preserving keys.
function array_move(&$array,$key,$position) {
$from=array_search($key,array_keys($array));
$to=$from+$position;
$tot=count($array);
if($position>0) $to++;
if($to<0) $to=0;
else if($to>=$tot) $to=$tot-1;
$n=0;
$out=array();
foreach($array as $i=>$v) {
if($n==$to) $out[$key]=$array[$key];
if($n++==$from) continue;
$out[$i]=$v;
}
return $out;
}
?>