parallele Installation von PHP4/PHP5 ->phpswitcher

#!/bin/bash

################################################################################
# Setphp helps out in running Apache with either php4 or php5 and makes
# switching between these versions easy.
# ################################################################################
# if php4 or php5 are are passed as parameters then set this as the input and
# don't ask questions. If no parameters are included ask which version of php should
# be activated. 

if [[ "$1   " == php5 || "$1" == php4 ]]; then
        INPUT=$1;
else
        echo -n "Please enter which version of php you would like to start (php4/php5): ";
        read -e INPUT;
fi

if [ "$INPUT" == php4 ]; then
        echo "copying php4 config file...";
        sudo cp /etc/httpd/php4.httpd.conf /etc/httpd/httpd.conf;
        echo "restarting Apache graceful..";
        sudo apachectl graceful;
        echo "Apache with php4 should be running now";
elif [ "$INPUT" == php5 ]; then
        echo "copying php5 config file...";
        sudo cp /etc/httpd/php5.httpd.conf /etc/httpd/httpd.conf;
        echo "restarting Apache graceful..";
        sudo apachectl graceful;
        echo "Apache with php5 should be running now";
else
        echo "Oops, wrong input. You can only choose between php4 or php5";
fi