PHP Update - 7.2.13 to 7.4 or higher

Hello thank you for reaching out!

In regard to your question about updating your Wordpress PHP to a newer version, I will post a step-by-step start to solving your problem and then attach a link with further instructions down below.

1. Login to your Linux instance using your terminal of choice
2. Check to see if your computer system is already up to date - You can do this by entering the following command into your terminal - $ sudo yum update
3. Check to see if your PHP version is running PHP 7.2 - You can check this by entering the following command - $ php -v

Reference to full guide with additional steps - https://greggborodaty.com/amazon-linux-2-upgrading-from-php-7-2-to-php-7-4/

Please let us know if you require any further assistance.