I Have 2 Dates in PHP, How to Run a Foreach Loop to Go Through All of Those Days

I have 2 dates in PHP, how can I run a foreach loop to go through all of those days?

$begin = new DateTime('2010-05-01');
$end = new DateTime('2010-05-10');

$interval = DateInterval::createFromDateString('1 day');
$period = new DatePeriod($begin, $interval, $end);

foreach ($period as $dt) {
    echo $dt->format("l Y-m-d H:i:s\n");
}

This will output all days in the defined period between $start and $end. If you want to include the 10th, set $end to 11th. You can adjust format to your liking. See the PHP Manual for DatePeriod. It requires PHP 5.3.

How to iterate between two dates with PHP

Here is the working code for you: https://eval.in/842849

You should use DatePeriod which takes start-date, date interval, and end-date as arguments.

You will get the result object, which you can loop thru to get the desired dates between the 2 dates:

<?php
$begin = new DateTime('2017-07-18');
$end = new DateTime('2017-08-08');

$daterange = new DatePeriod($begin, new DateInterval('P1D'), $end);

foreach($daterange as $date){
    echo $date->format("Y-m-d") . "\n";
}

?>

How do I iterate between two dates in php?

Does this work for you?

$date = DateTime::createFromFormat("d-m-Y", '01-01-2017');
$endDate = DateTime::createFromFormat("d-m-Y", '01-06-2017');

while ($date <= $endDate) {
    echo $date->format("d/m/Y") . "\n";
    $date->modify('+1 day');
}

I tested this at http://sandbox.onlinephpfunctions.com/code/461ae543a882cf8d5e933a4ddc27e8e907f74e01

I have 2 time in PHP, how can I run a foreach loop to go through all of those days? (1 Hour loop same time Last 24 Hours!)

Here is a list of the php documentation you will likely need for this project:

PHP: Relative Formats
PHP: Compound Formats
PHP: strtotime
PHP: strftime

Here is sample code that will give the last 24 hours in one hour decrements:

$timenow = time();
for ($i = 0; $i < 24; $i ++) {
    $ago = strtotime("$i hours ago",$timenow);
    echo $ago ," <-- ",strftime('%Y-%m-%d %H:%M:%S',$ago),"\n";

It uses these formats from the relative formats:

number space? (unit | 'week')

Handles relative time items where the value is a number.

"+5 weeks", "12 day", "-7 weekdays"

'ago'

Negates all the values of previously found relative time items.

"2 days ago", "8 days ago 14:00", "2 months 5 days ago", "2 months
ago 5 days", "2 days ago"

Here is sample output:

1554384488 <-- 2019-04-04 09:28:08
1554380888 <-- 2019-04-04 08:28:08
1554377288 <-- 2019-04-04 07:28:08
1554373688 <-- 2019-04-04 06:28:08
1554370088 <-- 2019-04-04 05:28:08
1554366488 <-- 2019-04-04 04:28:08
1554362888 <-- 2019-04-04 03:28:08
1554359288 <-- 2019-04-04 02:28:08
1554355688 <-- 2019-04-04 01:28:08
1554352088 <-- 2019-04-04 00:28:08
1554348488 <-- 2019-04-03 23:28:08
1554344888 <-- 2019-04-03 22:28:08
1554341288 <-- 2019-04-03 21:28:08
1554337688 <-- 2019-04-03 20:28:08
1554334088 <-- 2019-04-03 19:28:08
1554330488 <-- 2019-04-03 18:28:08
1554326888 <-- 2019-04-03 17:28:08
1554323288 <-- 2019-04-03 16:28:08
1554319688 <-- 2019-04-03 15:28:08
1554316088 <-- 2019-04-03 14:28:08
1554312488 <-- 2019-04-03 13:28:08
1554308888 <-- 2019-04-03 12:28:08
1554305288 <-- 2019-04-03 11:28:08
1554301688 <-- 2019-04-03 10:28:08

How can I run a DateTime with for or foreach loop to loop through each day and add +3 days to each?

If the end date is always simply three days from the start, then you only need one loop, over the start date. Then, instead of a second loop to set the ending date, just set it relative to the start, on each iteration:

for ($start = $begin; $start <= $end; $start->modify('+1 day')) {    
    $stop = clone $start;
    $stop->modify('+3 days');
    printf("%s => %s\n", $start->format("M d, Y"), $stop->format("M d, Y"));
}

Note you need to make a new date object via clone so that your second modification of +3 days doesn't change the start date.

PHP - Is there a simple way to loop between two dates and fill in missing values?

Just to demonstrate the power of some of PHP's newer interval handling method (mentioned by pgl in his answer):

$startDate = DateTime::createFromFormat("Y/m/d","2010/12/24",new DateTimeZone("Europe/London"));
$endDate = DateTime::createFromFormat("Y/m/d","2012/01/05",new DateTimeZone("Europe/London"));

$periodInterval = new DateInterval( "P1D" ); // 1-day, though can be more sophisticated rule
$period = new DatePeriod( $startDate, $periodInterval, $endDate );

foreach($period as $date){
   echo $date->format("Y-m-d") , PHP_EOL;
}

Does require PHP >= 5.3.0

EDIT

If you need to include the actual end date, then you need to add a day to $endDate immediately before the foreach() loop:

$endDate->add( $periodInterval );

EDIT #2

$startDate = new DateTime("2010/12/24",new DateTimeZone("Europe/London"));
$endDate = new DateTime("2012/01/05",new DateTimeZone("Europe/London"));

do {
   echo $startDate->format("Y-m-d") , PHP_EOL;
   $startDate->modify("+1 day");
} while ($startDate <= $endDate);

For PHP 5.2.0 (or earlier if dateTime objects are enabled)

two dates in php, for each loop between dates but reverse?

You could use iterator_to_array + array_reverse methods:

foreach (array_reverse(iterator_to_array($period)) as $day) {...}

Creating an array of dates with a sequence of intervals between days

Carbon is perfectly able to do this:

// $startDate as mentioned should be a valid Carbon date pointed to Tuesday

$dates = [];
for ($currentDate = $startDate; $currentDate <= $endDate; ) {
    $dates[] = $currentDate;
    $currentDate->addDays(2);
    $dates[] = $currentDate;
    $currentDate->addDays(2);
    $dates[] = $currentDate;
    $currentDate->addDay();
}

PHP: Return all dates between two dates in an array

You could also take a look at the DatePeriod class:

$period = new DatePeriod(
     new DateTime('2010-10-01'),
     new DateInterval('P1D'),
     new DateTime('2010-10-05')
);

Which should get you an array with DateTime objects.

To iterate

foreach ($period as $key => $value) {
    //$value->format('Y-m-d')       
}