Added the switch to PHP7.3 version.

README.md

@@ -58,6 +58,7 @@ Once setup is complete, you can easily switch between different PHP versions usi
 ./switch-to-php-7.1.sh
 ./switch-to-php-7.2.sh
 ./switch-to-php-7.3.sh
+./switch-to-php-7.4.sh
 ```
 
 This will alter the versions of PHP running in Apache and the command line. Your password will be required to enable/disable Apache modules, restart the web server and alter the default PHP CLI version.

setup.sh

@@ -42,6 +42,12 @@ sudo apt-get install -y php7.3 php7.3-common php7.3-cli > /dev/null
 echo "* Installing PHP 7.3 extensions..."
 sudo apt-get install -y php7.3-bz2 php7.3-curl php7.3-gd php7.3-json php7.3-mbstring php7.3-mysql php7.3-opcache php7.3-readline php7.3-soap php7.3-sqlite3 php7.3-tidy php7.3-xml php7.3-xsl php7.3-zip > /dev/null
 
+echo "* Installing PHP 7.4..."
+sudo apt-get install -y php7.4 php7.4-common php7.4-cli > /dev/null
+
+echo "* Installing PHP 7.4 extensions..."
+sudo apt-get install -y php7.4-bz2 php7.4-curl php7.4-gd php7.4-json php7.4-mbstring php7.4-mysql php7.4-opcache php7.4-readline php7.4-soap php7.4-sqlite3 php7.4-tidy php7.4-xml php7.4-xsl php7.4-zip > /dev/null
+
 echo "* Installing additional PHP extensions..."
 sudo apt-get install -y php-memcache php-memcached php-redis  > /dev/null
 

switch-to-php-7.4.sh

@@ -0,0 +1,27 @@
+#!/bin/bash
+
+echo "* Disabling Apache PHP 5.6 module..."
+sudo a2dismod php5.6 > /dev/null
+
+echo "* Disabling Apache PHP 7.0 module..."
+sudo a2dismod php7.0 > /dev/null
+
+echo "* Disabling Apache PHP 7.1 module..."
+sudo a2dismod php7.1 > /dev/null
+
+echo "* Disabling Apache PHP 7.2 module..."
+sudo a2dismod php7.2 > /dev/null
+
+echo "* Disabling Apache PHP 7.3 module..."
+sudo a2dismod php7.3 > /dev/null
+
+echo "* Enabling Apache PHP 7.4 module..."
+sudo a2enmod php7.4 > /dev/null
+
+echo "* Restarting Apache..."
+sudo service apache2 restart > /dev/null
+
+echo "* Switching CLI PHP to 7.4..."
+sudo update-alternatives --set php /usr/bin/php7.4 > /dev/null
+
+echo "* Switch to PHP 7.4 complete."