$arr = array(
array(id1, id2, time),
array(id1, id2, time),
array(id1, id2, time),
...
)ps : id1、id2、time 分别代表数字想根据 time 去排序数组$arr
array(id1, id2, time),
array(id1, id2, time),
array(id1, id2, time),
...
)ps : id1、id2、time 分别代表数字想根据 time 去排序数组$arr
date_default_timezone_set("Asia/shanghai");
function cmp($a, $b){
$a = strtotime($a[2]);
$b = strtotime($b[2]);
if ($a == $b) {
return 0;
}
return ($a < $b) ? -1 : 1;
}
$arr = array(
array(2, 4, '2011-08-02'),
array(1, 3, '2011-09-12'),
array(6, 5, '2011-09-23'),
);
uasort($arr, 'cmp');
echo "<pre>";
print_r($arr);
echo "</pre>";
?>