How to send automatic mail in particular time in php

To send automatic emails at a particular time in PHP, you can use a combination of the following:

Cron Jobs: Set up a cron job on your server to run a PHP script at the desired time. Cron jobs are a way to schedule tasks to run at specific times or intervals.
PHP's mail() function: Use the mail() function to send the email.
DateTime and DateInterval classes: Use these classes to calculate the time difference between the current time and the desired sending time.

Here's an example code snippet that demonstrates how to send an automatic email at a particular time:

<?php

// Set the desired sending time (e.g., 8:00 AM)
$desiredSendingTime = '08:00:00';

// Get the current time
$currentDateTime = new DateTime();
$currentHour = $currentDateTime->format('H');
$currentMinute = $currentDateTime->format('i');
$currentSecond = $currentDateTime->format('s');

// Calculate the time difference between the current time and the desired sending time
$diff = new DateInterval('PT'. ($desiredSendingTime - $currentDateTime->format('H:i:s')). 'S');

// If the desired sending time is in the future, wait until then
if ($diff->format('%H:%i:%s') > '00:00:00') {
    sleep($diff->format('%s'));
}

// Send the email
$to = '[email protected]';
$subject = 'Automatic Email';
$message = 'This is an automatic email sent at '. $desiredSendingTime;
$headers = 'From: [email protected]'. "\r\n". 'Reply-To: [email protected]'. "\r\n". 'MIME-Version: 1.0'. "\r\n". 'Content-Type: text/plain; charset=UTF-8';

mail($to, $subject, $message, $headers);

?>

To set up a cron job, you'll need to:

Log in to your server's control panel (e.g., cPanel).
Go to the "Cron Jobs" section.
Enter the following command: php /path/to/your/script.php
Set the schedule to run the script at the desired time (e.g., 8:00 AM).

Note: Make sure to replace /path/to/your/script.php with the actual path to your PHP script file.

Also, keep in mind that cron jobs may not run exactly at the specified time, as they are subject to the server's load and other factors. If you need more precise timing, you may want to consider using a dedicated email sending service or a more advanced scheduling solution.

Mail Knowledge

How to send automatic mail in particular time in php