FreeBSD: Upgrade PHP4 To PHP5

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PHP4 is a very old version of PHP and is not supported anymore. Therefore, it is recommended to upgrade to a newer version of PHP, such as PHP 7.4 or 8.0. However, if you still need to upgrade from PHP4 to PHP5 for some reason, you can follow the steps below:

  1. Install the PHP5 packages:
    sudo pkg install php56

    This will install PHP5.6 and all the necessary dependencies.

  2. Stop the Apache web server:
    sudo service apache24 stop
  3. Disable the PHP4 module:
    sudo a2dismod php4
  4. Enable the PHP5 module:
    sudo a2enmod php5
  5. Restart the Apache web server:
    sudo service apache24 start
  6. Verify that PHP5 is now the default version:
    php -v

    This should show the version of PHP5 installed on your system.

Note that upgrading from PHP4 to PHP5 may cause compatibility issues with your existing PHP code. You may need to update your PHP code to make it work with PHP5. Additionally, PHP5 is also no longer supported and it is recommended to upgrade to a newer version of PHP as soon as possible.

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