PHP 二维数组排序 方便~~
array_multisort() 对二维数组进行排序http://www.ucantech.net/网站推广数组$roughData,我们打算按照accurancy排序。
Array
(
=> Array
(
=> 10yl
=> 0.00
)
=> Array
(
=> 11yl
=> 1.00
)
=> Array
(
=> 12yl
=> 0.00
)
=> Array
(
=> 13yl
=> 1.00
)
)
方法:
(1)提取accuracy列数组
foreach ($roughData as $key => $row) {
$usernames[$key] = $row['username'];
$accuracy[$key] = $row['accuracy'];
}
(2)进行排序
array_multisort($accuracy, SORT_ASC,$roughData);
当print_r($roughData);后我们将得到一个按accuracy升序排序的二维数组(fblww-1230)
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