How can a PHP file be scheduled to automatically run and update itself, for example, every 24 hours?

To automatically run and update a PHP file every 24 hours, you can use a cron job on your server. Set up a cron job to execute the PHP file at the desired interval. Within the PHP file, you can write the logic to update itself. 

```php
// PHP script to update itself

// Your update logic here

// Example: Echo a message
echo "This PHP file has been updated at " . date('Y-m-d H:i:s') . "\n";
```

Make sure to set up the cron job on your server to run this PHP script at the desired interval.

Keywords

PHP scheduling cron job automation self-update

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