I want to find a range combining both data, that data has datetime and time data types, but datetime must ignore the time.
<?php
function test_duration($start_date, $end_date, $start_time, $end_time) {
$timeInterval = '-';
if(!empty($start_time) && !empty($end_time)) {
$timeStart = new DateTime($start_date->format('Y-m-d').' '.$start_time->format('H:i:s'));
$timeEnd = new DateTime($end_date->format('Y-m-d').' '.$end_time->format('H:i:s'));
$timeInterval = $timeStart->diff($timeEnd)->format('%H:%I:%s');
}
return $timeInterval;
}
$start_date = '2022-09-15 01:01:01';
$end_date = '2022-09-15 02:02:02';
$start_time = '14:48:40';
$end_time = '14:48:45';
echo test_duration($start_date, $end_date, $start_time, $end_time);
?>
so the formula is like this:
range start ==> $start_date (just date) + $start_time
range end ==> $end_date (just date) + $end_time
range start - range end
From the code above it should produce a duration of 5 seconds.
Do you have any solution to fix my code above?
The time can easily be removed from the date withstrstr
. Then the pure date can be combined with the new time.strtotime
is well suited when only seconds are to be determined.
$start_date = '2022-09-15 01:01:01';
$end_date = '2022-09-15 02:02:02';
$start_time = '14:48:40';
$end_time = '14:48:45';
$strStart = strstr($start_date, ' ', true).' '.$start_time;
$strEnd = strstr($end_date, ' ', true).' '.$end_time;
$seconds = strtotime($strEnd) - strtotime($strStart); // int(5)
Time is time, date is date, you shouldn't mix them, so let's say
$start_date = '2022-09-15';
$start_time = '13:00:00';
$end_date = '2022-09-15';
$end_time = '14:00:00';
print strtotime($end_date) + strtotime($end_time) - strtotime($start_date) - strtotime($start_time);
You'll get 3600 seconds
If you know the date is in a fixed format can't you just explode the string on the central space like this?
<?php
function test_duration($start_date, $end_date, $start_time, $end_time) {
$timeInterval = '-';
if(!empty($start_time) && !empty($end_time)) {
$startDateOnly=explode(' ',$start_date)[0];
$endDateOnly=explode(' ', $end_date)[0];
$timeStart = date_create_from_format('Y-m-d H:i:s', $startDateOnly." ".$start_time);
$timeEnd = date_create_from_format('Y-m-d H:i:s', $endDateOnly." ".$end_time);
$timeInterval = $timeStart->diff($timeEnd)->format('%h:%i:%s');
}
return $timeInterval;
}
$start_date = '2022-09-15 01:01:01';
$end_date = '2022-09-15 02:02:02';
$start_time = '14:48:40';
$end_time = '14:48:45';
echo test_duration($start_date, $end_date, $start_time, $end_time);
?>
Your start is quite good, the use ofDateTime
class is one of the ways to solve your issue. The idea here can be illustrated as follows:
DateTime
object from the starting date and then alter its time (hours, minutes and seconds) based on the starting time you supply.DateTime
object from the ending date and then alter its time based on the ending time.Here's a live demo too
$startDate = '2022-09-15 01:01:01';
$endDate = '2022-09-15 02:02:02';
$startTime = '14:48:40';
$endTime = '14:48:45';
function diffInSeconds($startDate, $endDate, $startTime, $endTime)
{
// create a DateTime object based on $startingDate and then alter the time to use the $startingTime instead
$startDate = (new DateTime($startDate))->setTime(
($startTime = explode(':', $startTime))[0],
$startTime[1],
$startTime[2]
);
// create a DateTime object based on $endingDate and then alter the time to use the $endingTime instead
$endDate = (new DateTime($endDate))->setTime(
($endTime = explode(':', $endTime))[0],
$endTime[1],
$endTime[2]
);
// return the difference in seconds which will always be positive thanks to the "abs" function
return abs($endDate->getTimestamp() - $startDate->getTimestamp());
}
// run...
echo diffInSeconds($startDate, $endDate, $startTime, $endTime); // prints: 5
the above is code somehow primitive, it doesn't have any checks on whether the date/times are correct or not also it expects the times to be in the following format "HH:MM:SS".
Anyway, i strongly recommend looking at more modern utilities, especially the
library which makes working with dates and times in
PHP
a piece of cake.
Learn more about
objects on php.net.
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