made by @lnoering

helper commands

function had {

     case $1 in

        ## list ip of container specific
        'dip') 
            if [ $# -eq 2 ]; then
                docker inspect -f '{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}' $2
            else
                echo "=[ Parameters ]==============================================="
                echo " Please, inform the container name                            "
            fi
        ;;

        ## control php version
        'php')
            if [ $# -eq 2 ]; then
                changePHPVersion $2    
            else
                echo "=[ Parameters ]==============================================="
                echo " Please, inform the version number                            "
            fi
        ;;

        ## control xdebug enable or disable with version
        'debug') 
            if [ $# -eq 2 ]; then
                controlXdebug $2
            else
                echo "=[ Parameters ]==============================================="
                echo " Please, inform ON or OFF                                     "
            fi
        ;;
        *)  echo "=[ Info ]====================================================="
            echo "Use $0 command                                                "
            echo "=[ Parameters ]==============================================="
            echo " dip    : Informe o nome do container. ex.: database_db_1     "
            echo " php    : Informe a versão do PHP ex.: 7.2                    "
            echo " debug  : Informe se deseja ativar (on) ou desativar (off)    "
            echo "=[ Examplo ]=================================================="
            echo "had php 7.1 | had debug on | had dip database_db_1            "
        ;;
    esac
}

function changePHPVersion {
    echo " You changing php version to $1                           "
    ## validar a versão

    phpVersion="php"$1
    listVersions=`ls /usr/bin/php*`

    echo $phpVersion

    if [ -f "/usr/bin/$phpVersion" ]; then
        for file in /usr/bin/php[0-9]*; do       
            phpVersionExist=$(echo "${file##*/}");
            sudo a2dismod $phpVersionExist
        done
        sudo a2enmod $phpVersion
        sudo update-alternatives --set php /usr/bin/$phpVersion
        controlWebServer
        echo " Current version: $( php -v | head -n 1 | cut -c-7 )  "
    else
        echo " The php ($phpVersion) version not exist bin FILE    "
    fi
}

function controlXdebug {
    echo " You changing XDEBUG to $1                                    "
    case $1 in
        'on')
            sudo sed -i "s/;zend_extension=xdebug.so/zend_extension=xdebug.so/g" /etc/php/*/mods-available/xdebug.ini 
            sudo sed -i "s/;xdebug.remote_enable=true/xdebug.remote_enable=true/g" /etc/php/*/mods-available/xdebug.ini 
            sudo sed -i "s/;xdebug.remote_autostart=true/xdebug.remote_autostart=true/g" /etc/php/*/mods-available/xdebug.ini 
        ;;
        *)
            sudo sed -i "s/zend_extension=xdebug.so/;zend_extension=xdebug.so/g" /etc/php/*/mods-available/xdebug.ini 
            sudo sed -i "s/xdebug.remote_enable=true/;xdebug.remote_enable=true/g" /etc/php/*/mods-available/xdebug.ini 
            sudo sed -i "s/xdebug.remote_autostart=true/;xdebug.remote_autostart=true/g" /etc/php/*/mods-available/xdebug.ini 
        ;;
    esac
    
    controlWebServer 
    cat /etc/php/*/mods-available/xdebug.ini
}

function controlWebServer {
    sudo service apache2 restart
}