The date_time_set() function is an inbuilt function in PHP which is used to sets the time. This function resets the current time of the DateTime object to a different time. Syntax:

• Procedural style:

  date_time_set( $object, $hour, $minute, $second, $microseconds )

• Object oriented style:

  DateTime::setTime( $hour, $minute, $second, $microseconds )

Parameters: This function accepts five parameters as mentioned above and described below:

• $object: It is a mandatory parameter which is used to specify the DateTime object which is returned by the date_create() function.
• $hour: This parameter is used to set hour of time.
• $minute: This parameter is used to set minute of time.
• $second: This parameter is used to set second of time.
• $microsecond: This parameter is used to set microsecond of time.

Return Value: This function returns the DateTime object on success or False on failure. Below programs illustrate the date_time_set() function in PHP: Program 1:

<?php

// Create an DateTime object
$date = date_create('2018-09-15');

// Set the new DateTime
date_time_set($date, 8, 30);

// Display the date in given format
echo date_format($date, 'd-m-Y H:i:s') . "\n";

// Set the new DateTime
date_time_set($date, 12, 40, 30);

// Display the date in given format
echo date_format($date, 'Y-m-d H:i:s') . "\n";
?>

Program 2:

<?php

// Create DateTime object
$date = new DateTime('2018-09-15');

// Set the new DateTime
$date->setTime(12, 30);

// Display the date in given format
echo $date->format('d-m-Y H:i:s') . "\n";

// Set the new DateTime
$date->setTime(12, 30, 20);

// Display the date in given format
echo $date->format('Y-m-d H:i:s');
?>

Related Articles:

• PHP | timezone_open() Function
• PHP | timezone_abbreviations_list() Function
• PHP | timezone_location_get() Function

Reference: http://php.net/manual/en/datetime.settime.php