To add seconds to a time value in PHP, you can use the DateTime class along with the modify() method. Here’s a step-by-step guide on how to achieve this:

Step 1: Create a DateTime object with the initial time value.

$initial_time = new DateTime('12:30:00'); // Replace this with your initial time value

Step 2: Define the number of seconds you want to add to the initial time.

$seconds_to_add = 120; // Replace this with the number of seconds to add

Step 3: Use the modify() method to add the seconds to the DateTime object.

$modified_time = $initial_time->modify('+' . $seconds_to_add . ' seconds');

Step 4: Format the modified DateTime object to display the result in the desired format.

$result_time = $modified_time->format('H:i:s');

Here’s the complete code in one block:

<?php
$initial_time = new DateTime('12:30:00'); // Replace this with your initial time value
$seconds_to_add = 120; // Replace this with the number of seconds to add
$modified_time = $initial_time->modify('+' . $seconds_to_add . ' seconds');
$result_time = $modified_time->format('H:i:s');

echo "Result Time: " . $result_time;
?>

The output will be the time with the specified number of seconds added to the initial time.

For example, if you want to add 120 seconds to the time '12:30:00', the output will be:

Result Time: 12:32:00

In this example, we use the modify() method with a string that represents the number of seconds to be added ('+' . $seconds_to_add . ' seconds'). The modified DateTime object is then formatted to display the result in the desired format ('H:i:s' represents the hours, minutes, and seconds in the format “HH:MM:SS”).

You can modify the format() method to get the result time in a different format, depending on your specific requirements.