PHP downgrade php7 to php5.6

PHP downgrade php7 to php5.6

SWITCHING BETWEEN PHP VERSIONS

Example : Ubuntu 16.04 > how to switch PHP7.0 to php5.6

This method is not to remove any php versions but installing as add-on but use any one version at any time.

sudo apt-get install python-software-properties

sudo add-apt-repository ppa:ondrej/php

sudo apt-get update

sudo apt-get install -y php5.6

php -v

--This may show your old version.

--So now to switching the versions 7.0 > 5.6

sudo a2dismod php7.0

sudo a2enmod php5.6

sudo service apache2 restart

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

 --Basically need to install few modules first

sudo apt-get install php5.6-mysql php-gettext php5.6-mbstring php-xdebug libapache2-mod-php5.6

--Enabling your required extensions example >>> sudo phpenmod mbstring 

sudo apt-get update

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

sudo service apache2 restart

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