[英]Allocate time into 2 hours interval with offset
這是json中的列表時間:
$datatest = '{
"dt": [
"2018-06-10T00:16:02.200Z",
"2018-06-11T03:35:10.629Z",
"2018-06-11T04:20:58.629Z",
"2018-06-11T05:00:05.171Z",
"2018-06-11T05:49:05.171Z",
"2018-06-11T06:53:55.629Z",
"2018-06-11T06:57:13.708Z"
]
}';
我想要的是分配或分配時間,間隔為2小時。 這是我的PHP代碼:
$data = json_decode($datatest, false);
echo "<table border=\"1\">";
foreach($data->{'dt'} as $time){
echo "<tr>";
echo "<td>".$time;
$time_in_sec = strtotime($time);
echo "==>".$time_in_sec."</td>";
$timeslot = setTimeSlot($time_in_sec);
echo "<td>Rounded down: " . date('Y-m-d\TH:i:s\Z', $timeslot)."</td>";
echo "</tr>";
}
echo "</table>";
function setTimeSlot($timeinseconds){
$seconds = $timeinseconds;
$rounded_seconds = floor($seconds / (2 * 60 * 60)) * (2 * 60 * 60);
return $rounded_seconds;
}
下面是結果。 我不想要這個輸出:
2018-06-10T00:16:02.200Z==>1528589762 Rounded down: 2018-06-10T00:00:00Z 2018-06-11T03:35:10.629Z==>1528688110 Rounded down: 2018-06-11T02:00:00Z 2018-06-11T04:20:58.629Z==>1528690858 Rounded down: 2018-06-11T04:00:00Z 2018-06-11T05:00:05.171Z==>1528693205 Rounded down: 2018-06-11T04:00:00Z 2018-06-11T05:49:05.171Z==>1528696145 Rounded down: 2018-06-11T04:00:00Z 2018-06-11T06:53:55.629Z==>1528700035 Rounded down: 2018-06-11T06:00:00Z 2018-06-11T06:57:13.708Z==>1528700233 Rounded down: 2018-06-11T06:00:00Z
我想修改上面的代碼以增加偏移量1小時。 我需要將其四舍五入為2小時間隔,以便輸出將像這樣,而不是從0小時開始。 我不知道如何計算偏移量。
舍入時間應為:07、09、11、13、15、17、19、21、23、01,...不應該:08、10、12、14、16、18,...
終於我解決了。 抱歉,添麻煩了。 這是代碼。 :
function setTimeSlot($timeinseconds){
$offset = 3600;//1 hours offset
$seconds = $timeinseconds;
$rounded_seconds = floor(($seconds - $offset) / (2 * 60 * 60)) * (2 * 60 * 60);
return ($rounded_seconds + $offset);
}
我認為這將為您工作。 這將以24小時制舍入到最接近的奇數小時。
請注意,我關閉了html元素,並且只在命令行中的單個php腳本中運行了它。 此外,我還添加了一些日期字符串進行測試。
<?php
$datatest = '{
"dt": [
"2018-06-10T00:16:02.200Z",
"2018-06-11T03:35:10.629Z",
"2018-06-11T04:20:58.629Z",
"2018-06-11T05:00:05.171Z",
"2018-06-11T05:49:05.171Z",
"2018-06-11T06:53:55.629Z",
"2018-06-11T06:57:13.708Z",
"2018-06-11T11:57:13.708Z",
"2018-06-11T15:57:13.708Z",
"2018-06-11T18:57:13.708Z",
"2018-06-11T23:57:13.708Z"
]
}';
$data = json_decode($datatest, false);
foreach($data->{'dt'} as $time){
echo $time;
$time_in_sec = strtotime($time);
// uncomment the following to see the rounding
//$hour = date('H', $time_in_sec);
//$roundedHour = roundHour($hour);
//echo " " . $hour . " " . $roundedHour;
echo " " . formatDate(getRoundedTime($time_in_sec)). " ";
echo "\n";
}
function formatDate($time) {
return date('Y-m-d\TH:i:s\Z', $time);
}
function getRoundedTime($time) {
$day = date('d', $time);
$month = date('m', $time);
$year = date('Y', $time);
$hour = roundHour(date('H', $time));
return mktime($hour, 0, 0, $month, $day, $year);
}
//will round down to nearest odd hour, 01-23 hours
function roundHour(string $hour) {
$newHour = intval($hour);
$mod = $newHour % 2;
if ($mod === 0) {
$newHour = $newHour - 1;
$newHour = $newHour === -1 ? 23 : $newHour;
}
$roundedHour = (string) $newHour;
return str_pad($roundedHour, 2, "0", STR_PAD_LEFT);
}
這應該產生以下結果:
2018-06-10T00:16:02.200Z 2018-06-10T23:00:00Z
2018-06-11T03:35:10.629Z 2018-06-11T03:00:00Z
2018-06-11T04:20:58.629Z 2018-06-11T03:00:00Z
2018-06-11T05:00:05.171Z 2018-06-11T05:00:00Z
2018-06-11T05:49:05.171Z 2018-06-11T05:00:00Z
2018-06-11T06:53:55.629Z 2018-06-11T05:00:00Z
2018-06-11T06:57:13.708Z 2018-06-11T05:00:00Z
2018-06-11T11:57:13.708Z 2018-06-11T11:00:00Z
2018-06-11T15:57:13.708Z 2018-06-11T15:00:00Z
2018-06-11T18:57:13.708Z 2018-06-11T17:00:00Z
2018-06-11T23:57:13.708Z 2018-06-11T23:00:00Z
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