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How to install/remove additional PHP versions provided by Plesk

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Kuzma Ivanov
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Plesk for Windows Plesk for Linux kb: auxiliary ABT: Group B

Applicable to:

  • Plesk for Linux
  • Plesk for Windows

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.

  1. Log in to Plesk.

  2. In Plesk, go to Tools & Settings and click Updates (Updates and Upgrades).


    Screenshot_2019-12-04_Tools_Settings_-_Plesk_Obsidian_18_0_21.png

  3. On the Updates and Upgrades page, click Add/Remove Components.


    Screenshot_2019-12-04_Plesk_Installer.png

  4. 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.

  5. Select required PHP versions for installation/uninstallation and click Continue.

 

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

  1. Connect to a Plesk server via SSH (Linux) / RDP (Windows Server).

  2. 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

  3. 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

 

Comments

11 comments

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  • Avatar
    Hywel Jones

    Hi - this is all fine for the FPM and CGI versions but how do you install the latest PHP-CLI builds?  I need these for running symphony etc apps.

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  • Avatar
    Alexandr Redikultsev

    Hi @Hywel Jones,

    PHP-CLI should be there when you install it as additional component via Plesk. For example, on Debian 9:

    # apt search php-cli
    Sorting... Done
    Full Text Search... Done
    php-cli/stable,stable 1:7.0+49 all
    command-line interpreter for the PHP scripting language (default)
    php-cli-prompt/stable,stable 1.0.2+dfsg-1 all
    tiny helper prompting for user input
    plesk-php70-cli/stretch,now 7.0.32-debian9.0.18091413 amd64 [installed]
    Command-line interface for PHP
    plesk-php71-cli/stretch,now 7.1.22-debian9.0.18091413 amd64 [installed]
    Command-line interface for PHP
    plesk-php72-cli/stretch,now 1:7.2.10-debian9.0.18091411 amd64 [installed]
    Command-line interface for PHP

    # dpkg-query -L plesk-php72-cli
    /.
    /etc
    /etc/psa
    /etc/psa/php_versions.d
    /etc/psa/php_versions.d/plesk-php72-cgi.conf
    /etc/psa/php_versions.d/plesk-php72-fastcgi.conf
    /opt
    /opt/plesk
    /opt/plesk/php
    /opt/plesk/php/7.2
    /opt/plesk/php/7.2/bin
    /opt/plesk/php/7.2/bin/lsphp
    /opt/plesk/php/7.2/bin/phar.phar
    /opt/plesk/php/7.2/bin/php
    /opt/plesk/php/7.2/bin/php-cgi
    /opt/plesk/php/7.2/bin/phpdbg
    /opt/plesk/php/7.2/bin/phar

    So all binaries are located at /opt/plesk/php/7.2/bin/ (for PHP 7.2). This is actual for other operation systems as well.

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  • Avatar
    Hywel Jones

    @ Alexandr Shadrin

    Thanks - that all works fine now - for some reason the day I made the query I was getting the PHP FPM version afting setting PATH=/opt/plesk/php/7.2/bin:$PATH and typing php -v - my Laravel artisan commands were failing with weird errors. Today it is all good !

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  • Avatar
    Richie Tjin (Edited )

    How can I donwload PHP 7.4?

    I have the newest Plesk version:

    Plesk Obsidian 18.0.21 Update 4 has been installed

    PHP 7.4 is not showing

    1
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  • Avatar
    Anzhelika Khapaknysh

    Hi @Richie Tjin,

    I've just checked it on Ubuntu 18 with Plesk Obsidian 18.0.21.4 and it shows for me. 
    Please try one more time.

    Note: php 7.4 isn't supported on CentOS 6, Red Hat Enterprise Linux 6, and CloudLinux 6.

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  • Avatar
    Lenor

    @... and Debian 8 ? 

    Can't install atm. 

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  • Avatar
    Denis Bykov

    @Lenor

    I has it in Plesk Obsidian 18.0.23 on Debian 8:

    Select the components you want to install:
    1. [=] PHP 7.4
    2. [=] PHP 7.3
    3. [ ] PHP 7.2
    4. [ ] PHP 7.1
    5. [ ] PHP 7.0
    ...

    Try to update Plesk to 18.0.23, if still isn't:

    # plesk installer upgrade 18.0.23
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  • Avatar
    Fred 👨‍💻

    So - I too am wanting PHP 7.4

    Thanks to Denis from above, I note that I can manually upgrade plesk using command line. 

     

    I'm left wondering why I can't see an upgrade being offered on the web interface? 

    Also the command to upgrade that is listed. Isn't working for me. 

    Error: `ERROR: Selector 'PLESK_18_0_28' does not match any product ID, release ID, release tier, or release version. Use either 'list' or 'list-all' command to list known entities.`

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  • Avatar
    Anton Maslov

    It might be because operating system you have does not support 18 version. Please check for supported operating systems:

    https://docs.plesk.com/release-notes/obsidian/software-requirements/#s2

    Another reason might be custom repository, please check if it so using this article.

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  • Avatar
    Spiral arts

    Can I remove PHP 5 from OS vendor? will it affect my server? I have no websites that use PHP 5.

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  • Avatar
    Ivan Postnikov

    Spiral arts

    Plesk 18 (Obsidian) doesn't use OS PHP. So, update Obsidian in case Plesk Onyx is used and feel free to remove OS PHP.

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