auto downgrade php7 to php5 apache2 ubuntu

#!/bin/bash

# coded by shutdown57
echo "[!!!!] DOWNGRADE PHP7 TO PHP5 UBUNTU APACHE2 [!!!!] "
echo ""
echo ""
sleep 1
echo "[+] Adding repository ...."
sudo add-apt-repository ppa:ondrej/php
echo "[+] Updating repository ...."
sudo apt-get update -y
echo "[+] installing pacakge php5 and more ..."
sudo apt-get install php7.0 php5.6 php5.6-mysql php-gettext php5.6-mbstring php-mbstring php7.0-mbstring php-xdebug libapache2-mod-php5.6 libapache2-mod-php7.0 -y
echo "[+] ======= [ SWITCHER ] ======= [+] "
echo "[1] PHP7 TO PHP5"
echo "[2] PHP5 TO PHP7"
read -p "options >>>" opt
if [[ $opt == "1" ]]; then
    echo "[+] Disabling php7 ..."
    sudo a2dismod php7.0
    echo "[+] Enabling php5 ..."
    sudo a2enmod php5.6
    echo "[+] Restart webserver ..."
    sudo service apache2 restart
    echo "[+] Settingup php5 ..."
    sudo update-alternatives --set php /usr/bin/php5.6
elif [[ $opt == "2" ]]; then
    echo "[+] Disabling php5 ..."
    sudo a2dismod php5.6
    echo "[+] Enabling php7 ..."
    sudo a2enmod php7.0
    echo "[+] Restart webserver ..."
    sudo service apache2 restart
    echo "[+] Settingup php7 ..."
    sudo update-alternatives --set php /usr/bin/php7.0
fi