note 48902 added to function.array-merge
| From: | nospam at veganismus dot ch | Date: | Tue, 11 Jan 2005 14:38:18 +0000 |
| Subject: | note 48902 added to function.array-merge | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-83083@lists.php.net to get a copy of this message | ||
Someone posted a function with the note:
"if u need to overlay a array that holds defaultvalues with another that keeps the relevant
data"
<?
//about twice as fast but the result is the same.
//note: the sorting will be messed up!
function array_overlay($skel, $arr) {
return $arr+$skel;
}
//example:
$a = array("zero","one","two");
$a = array_overlay($a,array(1=>"alpha",2=>NULL));
var_dump($a);
/* NULL is ignored so the output is:
array(3) {
[1]=>
string(5) "alpha"
[0]=>
string(4) "zero"
[2]=>
string(3) "two"
}
*/
?>
----
Manual Page -- http://www.php.net/manual/en/function.array-merge.php
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