note 120469 deleted from function.usort by cmb
| From: | cmb@php.net | Date: | Sun, 13 Oct 2019 08:17:24 +0000 |
| Subject: | note 120469 deleted from function.usort by cmb | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-212637@lists.php.net to get a copy of this message | ||
Note Submitter: inigo dot grimbergen at gmail dot com
----
to sort with numeric and empty values and have the smallest on top:
<?php
usort($list, function($a, $b) {
if( $a == null && $b != null ) return 1;
if( $a != null && $b == null ) return -1;
return $a > $b ? 1 : -1;
});
?>
returns
1
2
3
null
null
null