Php 如何根据数组中的日期进行排序？
我有一个数组Php 如何根据数组中的日期进行排序？,php,Php,我有一个数组 Array ( [0] => stdClass Object ( [id] => 120 [project_id] => 143 [list_id] => 196 [task_id] => 620 [message] => New task created byTester by Rohit Garg
Array
(
[0] => stdClass Object
(
[id] => 120
[project_id] => 143
[list_id] => 196
[task_id] => 620
[message] => New task created byTester by Rohit Garg
[date] => 2015-10-30 13:10:54
[user_id] => 1
)
[1] => stdClass Object
(
[id] => 121
[project_id] => 143
[list_id] => 0
[task_id] => 620
[message] => Task Completed Tester by Rajat Jain 1
[date] => 2015-10-30 13:10:18
[user_id] => 49
)
[2] => stdClass Object
(
[id] => 110
[project_id] => 143
[list_id] => 196
[task_id] => 616
[message] => New task created bysadasd by saurabh
[date] => 2015-10-30 12:10:46
[user_id] => 55
)
[3] => stdClass Object
(
[id] => 109
[project_id] => 143
[list_id] => 196
[task_id] => 0
[message] => New task list created byadsadasd by saurabh
[date] => 2015-10-30 12:10:30
[user_id] => 55
)
[4] => stdClass Object
(
[id] => 108
[project_id] => 143
[list_id] => 0
[task_id] => 0
[message] => New Project created sdad by saurabh
[date] => 2015-10-30 12:10:21
[user_id] => 55
)
[5] => stdClass Object
(
[id] => 114
[project_id] => 143
[list_id] => 196
[task_id] => 618
[message] => New task created bydsf by saurabh
[date] => 2015-10-30 12:10:20
[user_id] => 55
)
[6] => stdClass Object
(
[id] => 111
[project_id] => 143
[list_id] => 196
[task_id] => 617
[message] => New task created byasdasd by saurabh
[date] => 2015-10-30 12:10:16
[user_id] => 55
)
[7] => stdClass Object
(
[id] => 107
[project_id] => 142
[list_id] => 0
[task_id] => 0
[message] => New Project created sdad by Rohit Garg
[date] => 2015-10-30 11:10:34
[user_id] => 1
)
[8] => stdClass Object
(
[id] => 106
[project_id] => 141
[list_id] => 195
[task_id] => 615
[message] => New task created bysdasd by Rohit Garg
[date] => 2015-10-30 10:10:37
[user_id] => 1
)
[9] => stdClass Object
(
[id] => 104
[project_id] => 141
[list_id] => 195
[task_id] => 614
[message] => New task created bysdsad by Rohit Garg
[date] => 2015-10-30 10:10:34
[user_id] => 1
)
[10] => stdClass Object
(
[id] => 103
[project_id] => 141
[list_id] => 195
[task_id] => 0
[message] => New task list created bydasd by Rohit Garg
[date] => 2015-10-30 10:10:16
[user_id] => 1
)
[11] => stdClass Object
(
[id] => 99
[project_id] => 140
[list_id] => 194
[task_id] => 612
[message] => New task created bysdasd by saurabh
[date] => 2015-10-30 10:10:59
[user_id] => 55
)
[12] => stdClass Object
(
[id] => 96
[project_id] => 140
[list_id] => 194
[task_id] => 0
[message] => New task list created by3213123213 by saurabh
[date] => 2015-10-30 10:10:49
[user_id] => 55
)
[13] => stdClass Object
(
[id] => 100
[project_id] => 140
[list_id] => 194
[task_id] => 613
[message] => New task created bydsfsdf by saurabh
[date] => 2015-10-30 10:10:34
[user_id] => 55
)
[14] => stdClass Object
(
[id] => 97
[project_id] => 140
[list_id] => 194
[task_id] => 611
[message] => New task created bysas by saurabh
[date] => 2015-10-30 10:10:08
[user_id] => 55
)
[15] => stdClass Object
(
[id] => 122
[project_id] => 145
[list_id] => 0
[task_id] => 0
[message] => New Project created dfsf by saurabh
[date] => 2015-10-30 14:10:23
[user_id] => 55
)
[16] => stdClass Object
(
[id] => 123
[project_id] => 145
[list_id] => 199
[task_id] => 0
[message] => New task list created bydasd by saurabh
[date] => 2015-10-30 14:10:23
[user_id] => 55
)
[17] => stdClass Object
(
[id] => 124
[project_id] => 145
[list_id] => 199
[task_id] => 621
[message] => New task created fsdf by saurabh
[date] => 2015-10-30 14:10:00
[user_id] => 55
)
[18] => stdClass Object
(
[id] => 93
[project_id] => 139
[list_id] => 193
[task_id] => 0
[message] => New task list created bydasdasd by Rohit Garg
[date] => 2015-10-30 10:10:48
[user_id] => 1
)
[19] => stdClass Object
(
[id] => 92
[project_id] => 139
[list_id] => 192
[task_id] => 0
[message] => New task list created bydasdasd by Rohit Garg
[date] => 2015-10-30 10:10:35
[user_id] => 1
)
[20] => stdClass Object
(
[id] => 91
[project_id] => 139
[list_id] => 191
[task_id] => 0
[message] => New task list created bydasdasd by Rohit Garg
[date] => 2015-10-30 10:10:34
[user_id] => 1
)
[21] => stdClass Object
(
[id] => 94
[project_id] => 139
[list_id] => 193
[task_id] => 610
[message] => New task created bydsad by Rohit Garg
[date] => 2015-10-30 10:10:09
[user_id] => 1
)
)
usort($your_array, function($a, $b) {
return strtotime($b->date) - strtotime($a->date);
});