Original collection
return collect($latest_activities);
[
{
"activity_time": "2019-04-29 12:32:40"
},
{
"activity_time": "2019-04-29 12:31:28"
},
{
"activity_time": "2019-04-29 12:30:17"
},
{
"activity_time": "2019-04-29 12:28:07"
},
{
"activity_time": "2019-04-29 12:25:31"
},
{
"activity_time": "2019-04-29 12:24:57"
},
{
"activity_time": "2019-04-29 12:23:56"
},
{
"activity_time": "2019-04-29 12:23:05"
},
{
"activity_time": "2019-04-29 12:21:24"
},
{
"activity_time": "2019-04-29 12:17:35"
},
{
"activity_time": "2019-04-29 11:18:17"
},
{
"activity_time": "2019-04-17 12:40:17"
},
{
"activity_time": "2019-04-17 12:40:17"
},
{
"activity_time": "2019-04-16 17:35:50"
},
{
"activity_time": "2019-04-16 17:10:24"
},
{
"activity_time": "2019-04-16 16:45:36"
},
{
"activity_time": "2019-04-16 16:44:58"
},
{
"activity_time": "2019-04-16 16:22:13"
},
{
"activity_time": "2019-04-16 16:17:55"
},
{
"activity_time": "2019-04-16 15:22:08"
},
{
"activity_time": "2019-04-29 12:43:17"
},
{
"activity_time": "2019-04-29 12:27:18"
},
{
"activity_time": "2019-04-29 12:27:17"
},
{
"activity_time": "2019-04-29 12:27:16"
},
{
"activity_time": "2019-04-29 12:27:15"
},
{
"activity_time": "2019-04-29 12:27:13"
},
{
"activity_time": "2019-04-29 12:27:11"
},
{
"activity_time": "2019-04-29 12:27:08"
},
{
"activity_time": "2019-04-29 12:26:57"
},
{
"activity_time": "2019-04-29 12:24:55"
}
]
Sorted collection (wrong)
$latest_activities = $latest_activities->sortByDesc(function ($item, $key) {
return strtotime($item->activity_time);
});
return $latest_activities;
{
"0": {
"activity_time": "2019-04-29 12:43:22"
},
"1": {
"activity_time": "2019-04-29 12:37:43"
},
"2": {
"activity_time": "2019-04-29 12:32:40"
},
"3": {
"activity_time": "2019-04-29 12:31:28"
},
"4": {
"activity_time": "2019-04-29 12:30:17"
},
"5": {
"activity_time": "2019-04-29 12:28:07"
},
"6": {
"activity_time": "2019-04-29 12:25:31"
},
"7": {
"activity_time": "2019-04-29 12:24:57"
},
"8": {
"activity_time": "2019-04-29 12:23:56"
},
"9": {
"activity_time": "2019-04-29 12:23:05"
},
"10": {
"activity_time": "2019-04-29 11:18:17"
},
"11": {
"activity_time": "2019-04-17 12:40:17"
},
"12": {
"activity_time": "2019-04-17 12:40:17"
},
"13": {
"activity_time": "2019-04-16 17:35:50"
},
"14": {
"activity_time": "2019-04-16 17:10:24"
},
"15": {
"activity_time": "2019-04-16 16:45:36"
},
"16": {
"activity_time": "2019-04-16 16:44:58"
},
"17": {
"activity_time": "2019-04-16 16:22:13"
},
"18": {
"activity_time": "2019-04-16 16:17:55"
},
"19": {
"activity_time": "2019-04-16 15:22:08"
},
"20": {
"activity_time": "2019-04-29 12:45:46"
},
"21": {
"activity_time": "2019-04-29 12:45:44"
},
"22": {
"activity_time": "2019-04-29 12:43:17"
},
"23": {
"activity_time": "2019-04-29 12:27:18"
},
"24": {
"activity_time": "2019-04-29 12:27:17"
},
"25": {
"activity_time": "2019-04-29 12:27:16"
},
"26": {
"activity_time": "2019-04-29 12:27:15"
},
"27": {
"activity_time": "2019-04-29 12:27:13"
},
"28": {
"activity_time": "2019-04-29 12:27:11"
},
"29": {
"activity_time": "2019-04-29 12:27:08"
}
}