Install Multiple PHP Versions run parallel USING .htaccess / separate VIRTUAL HOST for each, Ubuntu

Multiple PHP version install in Ubuntu.
Apache2, Apache.
Changing php version using .htaccess & keeping or settingup using separe virtual host for each php version.
Commands and points are below
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sudo apt-get install software-properties-common -y
sudo add-apt-repository ppa:ondrej/php
sudo apt-get update -y
sudo apt-get install php5.6 php5.6-fpm php5.6-mysql libapache2-mod-php5.6 -y
sudo systemctl start php5.6-fpm
sudo systemctl status php5.6-fpm
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sudo apt-get install php7.0 php7.0-fpm php7.0-mysql libapache2-mod-php7.0 -y
sudo systemctl start php7.0-fpm
sudo apt-get install php7.1 php7.1-fpm php7.1-mysql libapache2-mod-php7.1 -y
sudo systemctl start php7.1-fpm
sudo apt-get install php7.2 php7.2-fpm php7.2-mysql libapache2-mod-php7.2 -y
sudo systemctl start php7.2-fpm
sudo apt-get install php7.3 php7.3-fpm php7.3-mysql libapache2-mod-php7.3 -y
sudo systemctl start php7.3-fpm
sudo apt-get install php7.4 php7.4-fpm php7.4-mysql libapache2-mod-php7.4 -y
sudo systemctl start php7.4-fpm
sudo apt-get install php8.1 php8.1-fpm php8.1-mysql libapache2-mod-php8.1 -y
sudo systemctl start php8.1-fpm
sudo apt-get install php8.2 php8.2-fpm php8.2-mysql libapache2-mod-php8.2 -y
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Enable Mode
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sudo a2enmod actions fcgid alias proxy_fcgi
To ENABLE .htaccess through change version
sudo gedit /etc/apache2/apache2.conf
Find :: Directory /var/www
Change "AllowOverride None" To "AllowOverride All" and save it
[Directory /var/www/]
Options Indexes FollowSymLinks
AllowOverride All
Require all granted
[/Directory]
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Restart APACHE web server
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sudo systemctl restart apache2
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MODE 1: Using .htaccess
NOTE : ************
Change/Replace "Square Brackets [ & ] " tags to "Less than" and "Greater than" characters in your site file. change 5.6 to your necessary version like php7.4, php8.1 etc
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[FilesMatch \.php$]
Apache 2.4.10+ can proxy to unix socket
SetHandler "proxy:unix:/var/run/php/php5.6-fpm.sock|fcgi://localhost"
[/FilesMatch]
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MODE 2: In Terminal Mode : check installed php version & switch to other version
sudo update-alternatives --config php
Mode 3: for VIRTUAL HOST setup
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sudo gedit /etc/hosts
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127.0.5.6 php56.local
127.0.7.2 php72.local
127.0.7.4 php74.local
127.0.8.1 php81.local
========================
FOR Virtual host Need to create sites in below location
sudo gedit /etc/apache2/sites-available/php74.local.conf
sudo gedit /etc/apache2/sites-available/php81.local.conf
sudo gedit /etc/apache2/sites-available/php74.local.conf
Code for each virtual host sites:
NOTE : ************
Change/Replace "Square Brackets [ & ] " tags to "Less than" and "Greater than" characters in your site file. change 56 to your site version like 81,74,72 like that.
Change this "php5.6-fpm" To "php8.1-fpm" or php7.4-fpm
[VirtualHost *:80]
ServerAdmin [e-mail]
ServerName php56.local
DocumentRoot /var/www/php56.local
DirectoryIndex info.php
[Directory /var/www/php56.local]
Options Indexes FollowSymLinks MultiViews
AllowOverride All
Order allow,deny
allow from all
[/Directory]
[IfModule dir_module]
DirectoryIndex index.php index.html
[/IfModule]
[FilesMatch \.php$]
For Apache version 2.4.10 and above, use SetHandler to run PHP as a fastCGI process server
SetHandler "proxy:unix:/run/php/php5.6-fpm.sock|fcgi://localhost"
[/FilesMatch]
ErrorLog ${APACHE_LOG_DIR}/php56.local_error.log
CustomLog ${APACHE_LOG_DIR}/php56.local_access.log combined
[/VirtualHost]
Restart APACHE web server
=======================
sudo systemctl restart apache2
Additional Extenstions (curl, xml, gd library, mbstring, initl (for normalisation class issue fix in Laravel))
====================
sudo apt-get install php5.6-curl php5.6-xml php5.6-gd php5.6-intl php5.6-mbstring -y
sudo apt-get install php7.2-curl php7.2-xml php7.2-gd php7.2-intl php7.2-mbstring -y
sudo apt-get install php7.4-curl php7.4-xml 7.4-gd php7.4-intl php7.4-mbstring -y
sudo apt-get install php8.1-curl php8.1-xml 8.1-gd php8.1-intl php8.1-mbstring -y
sudo apt-get install php8.2-curl php8.2-xml 8.2-gd php8.2-intl php8.2-mbstring -y