how to change cwp php version via command line

hey guys,
i have changed my php version to 8 and now i have serious error with Ioncube loader, The loader fails to start and now admin panel is out of access returning this error : "No Loader is installed, please try to run this command or contact support: sh /scripts/update_ioncube restart", i tried to fix ioncube loader problem but no chances...now i need to change default php version to 7.3 that is installed befor.please help me do that from terminal and command line.

Unfortunately there is no routin method to solve this problem and after reviewing many forums and posts and guidences i Solved This Problem in this method :
Problem Resolution:
1- installed php v8 on cwp and changed server`s main php version from php switcher to 8
2- activated ioncube loader from php module list.
cwp admin panel and all the hosts and websites went down and out of rich showing this message :
"No Loader is installed, please try to run this command or contact support: sh /scripts/update_ioncube restart"
then i tried to fix ioncube loader problem and updated to the last version and many other actions but the problem did`nt solved. because there where no any php v8 compatible ioncube loader configuration file.
my best practice to solve the problem :
1- i tried php -v to find out current running  of php on my server :

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php -vthe result was php v8.0.8 so i decided delet all installed php versions on the server and reinstall them to fix this issue :
A-find out all installed php versions on server:

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yum list installed | grep phpShowed up :
cwp-suphp.x86_64                     0.7.2-3                         @cwp
cwpphp.x86_64                        7.2.30-3                        @cwp

B- Removed all installed php packages via :

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sudo yum remove --setopt=clean_requirements_on_remove=1 php php-pear php-mysql php-cli php-common mod-phpalso :

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yum remove cwp-suphp.x86_64and :

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yum remove cwpphp.x86_64then i Rebooted the server and and checked admin panel in browser then i faced "502 Bad Gateway Error.
C: Reinstalled cwpphp.x86_64 via :

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yum install cwp-suphp.x86_64and

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yum install cwp-suphp.x86_64Rebooted server again and everything was fixed and i was able to login to admin panel and remove PHP v8 from php switcher and reinstall php-fpm versions.

Report a Problem :
PHP Selector and PHP FPM keeps loading in User Host managment panel when you try to select installed php versions for php selector.
when i select a domain and try to select php version from list, selector Stocks on Loading State...
Any Suggestions?