PHP

switch php version ubuntu

# Interactive Way
sudo update-alternatives --config php

switch php version ubuntu

# From PHP 7.1 => PHP 5.6

#Apache
sudo a2dismod php7.1
sudo a2enmod php5.6
sudo service apache2 restart
 
 #command Line
 sudo update-alternatives --set php /usr/bin/php5.6

php version change ubuntu

sudo update-alternatives --config php
 select a version

change php version ubuntu

//In ubunutu
Default PHP 7.1 is set on your system and you need to switch to PHP 5.6

$ sudo a2dismod php7.1
$ sudo a2enmod php5.6
$ sudo service apache2 restart
  
sudo update-alternatives --set php /usr/bin/php5.6

change php version ubuntu

$ sudo update-alternatives --config php
 or
$ sudo a2enmod php7.1(version)

switch php version

sudo update-alternatives --config php
sudo update-alternatives --config phar
sudo update-alternatives --config phar.phar

change php version in ubuntu

sudo update-alternatives --config php
sudo update-alternatives --config phar
sudo update-alternatives --config phar.phar

change php version ubuntu

sudo update-alternatives --config php

switch php version ubuntu

$ sudo update-alternatives --set php /usr/bin/php7.1
$ sudo update-alternatives --set phar /usr/bin/phar7.1
$ sudo update-alternatives --set phar.phar /usr/bin/phar.phar7.1

how switch php version in ubuntu

 sudo update-alternatives --set php /usr/bin/php5.6

switch php version ubuntu 20.04

# This might be a longer process but it worked for me
# firstly completely remove the current PHP present in your OS (ubuntu)
# command to remove > sudo apt-get purge php7.*
# next command > sudo apt autoremove -y

# now install the php version you want with the command > sudo apt-get install php7.2 libapache2-mod-php7.2 php7.2-mcrypt php7.2-mysql

change php version in ubuntu

$ sudo update-alternatives --set phar /usr/bin/phar5.6

switch between php version ubuntu

  alias setphp="sudo update-alternatives --config php;sudo update-alternatives --config phar; update-alternatives --config phar.phar; a2dismod php*.*;systemctl restart apache2"

  Put the above alias in the

  sudo nano ~/.bashrc
  
  #After the above command just run this command
  
  a2enmod php<Your Desired Version> # like, a2enmod php7.4
  
  Now you can run command "setphp" from your terminal.

change php version on ubuntu

alias setphp="sudo update-alternatives --config php;sudo update-alternatives --config phar; update-alternatives --config phar.phar; a2dismod php*.*;systemctl restart apache2"

  Put the above alias in the

  sudo nano ~/.bashrc
  
  #After the above command just run this command
  
  a2enmod php<Your Desired Version> # like, a2enmod php7.4
  
  Now you can run command "setphp" from your terminal.

ubuntu change php version

sudo a2dismod php7.1
sudo a2enmod php5.6
sudo service apache2 restart
 #command Line
 sudo update-alternatives --set php /usr/bin/php5.6
 
$ sudo update-alternatives --set php /usr/bin/php7.1
$ sudo update-alternatives --set phar /usr/bin/phar7.1
$ sudo update-alternatives --set phar.phar /usr/bin/phar.phar7.1