RE: [PHP] sorting in array
| From: | Peter Lauri | Date: | Mon, 31 Jul 2006 00:40:42 +0000 |
| Subject: | RE: [PHP] sorting in array | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-239890@lists.php.net to get a copy of this message | ||
function cmpcountry($a, $b)
{
$country1 = $a['country'];
$country2 = $b['country'];
if($country1=='') return 1;
else return ($country1 < $country2) ? -1 : 1;
}
-----Original Message-----
From: weetat [mailto:weetat.yeo@cxrus.com]
Sent: Monday, July 31, 2006 12:32 PM
To: php-general@lists.php.net
Subject: [PHP] sorting in array
Hi all ,
I have array value as shown below, i have paste my test php code below:
I have problem when doing usort() when 'country' = '', i would like to
display records where country = '' last. Any ideas how to do that ?
Thanks
$arraytest= array(
array
(
'country' => '',
)
,
array
(
'country' => 'Thailand',
)
,
array
(
'country' => 'Singapore',
)
,
array
(
'country' => 'Singapore',
)
,
array
(
'country' => '',
)
,
array
(
'country' => '',
)
,
array
(
'country' => '',
)
);
function cmpcountry($a, $b)
{
$country1 = $a['country'];
$country2 = $b['country'];
return ($country1 < $country2) ? -1 : 1;
}
usort($arraytest,"cmpcountry");
while(list($name,$value)=each($arraytest)){
echo $name."<br><br>";
while(list($n,$v) = each($arraytest[$name])){
echo $v."<br><br>";
}
}
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