[tools.majavah-test@tools-sgebastion-10 ~] $ php -v
PHP 7.3.31-1~deb10u1 (cli) (built: Oct 24 2021 15:18:08) ( NTS )
Copyright (c) 1997-2018 The PHP Group
Zend Engine v3.3.31, Copyright (c) 1998-2018 Zend Technologies
    with Zend OPcache v7.3.31-1~deb10u1, Copyright (c) 1999-2018, by Zend Technologies
    with Xdebug v2.7.0RC2, Copyright (c) 2002-2019, by Derick Rethans
[tools.majavah-test@tools-sgebastion-10 ~] $ webservice php7.4 shell
WARNING: No explict backend provided.
  Using default of 'kubernetes'
  For help refer to <https://wikitech.wikimedia.org/wiki/Help:Toolforge/Web>
[tools.majavah-test@shell-1636616698 ~] $ php -v
PHP 7.4.21 (cli) (built: Jul  2 2021 03:59:48) ( NTS )
Copyright (c) The PHP Group
Zend Engine v3.4.0, Copyright (c) Zend Technologies
    with Zend OPcache v7.4.21, Copyright (c), by Zend Technologies