Knowledge Base

How to install/remove additional PHP versions provided by Plesk

Question

How to install/remove additional PHP versions provided by Plesk?

Answer

Additional PHP versions can be installed/removed by a Plesk administrator only. This can be done either via a Plesk interface (web-browser) or a command-line interface directly on a Plesk server.

Note: Modern operating systems do not support PHP 5.6 and lower versions. Visit this KB article for details.

Installing/removing additional PHP versions via the Plesk interface

Note: Make sure that port 8447 is opened in firewall. If it is closed and cannot be opened, use the command-line instructions.

Log in to Plesk.
In Plesk, go to Tools & Settings and click Updates (Updates and Upgrades).
On the Updates and Upgrades page, click Add/Remove Components.
On the Add/Remove Components page, expand:
- Web hosting > PHP interpreter versions section, if this is a Linux server.
- Plesk hosting feature section, if this is a Windows server.
Select required PHP versions for installation/uninstallation and click Continue.

Installing/removing additional PHP versions via a command-line interface

Connect to a Plesk server via SSH (Linux) / RDP (Windows Server).
Get the list of all available Plesk components (on Windows Server, use a command prompt as an Administrator):

MYSQL_LIN: plesk installer –select-release-current –show-components
Install/remove additional PHP versions using the component name from step 2.

Example of the command to install PHP 7.4:

Note: PHP 7.4 is available starting from Plesk Obsidian 18.0.21 Update 4.
- for Linux:
  
  # plesk installer add –components php7.4
- for Windows Server:
  
  C:> plesk installer add –components php74
Example of the command to remove PHP 5.6:
- for Linux:
  
  # plesk installer remove –components php5.6
- for Windows Server:
  
  C:> plesk installer remove –components php56