Detailed explanation of array time sorting in php

This article mainly shares with you the detailed explanation of array time sorting in PHP. I hope it can help you.

Ideas: 1.2018-03-20 16:19:00 Format.

2.php function array_multisort(); Sorting

$arr = array(    'a'=>array(           'uid'=>12,           'name'=>'zhangsan1',           'ctime'=>'2018-03-20 11:28:00'                ),    'b'=>array(        'uid'=>13,        'name'=>'zhangsan2',        'ctime'=>'2018-03-19 11:28:00'    ),    'v'=>array(        'uid'=>14,        'name'=>'zhangsan3',        'ctime'=>'2018-03-21 11:28:00'    ),    'c'=>array(        'uid'=>14,        'name'=>'zhangsan3',        'ctime'=>'2018-03-22 11:28:00'    ),);$ctime_str = array();foreach($arr as $key=>$v){    $arr[$key]['ctime_str'] = strtotime($v['ctime']);    $ctime_str[] = $arr[$key]['ctime_str'];}                                                array_multisort($ctime_str,SORT_DESC,$arr);   批注：$ctime_str 是第一个数组，类似于sql排序中的，先以谁为准，order by id,ctime  ||| $arr是第二个数组

print_r($arr);

Print results:

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