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Debian: Compile and install multiple PHP CLI versions

# install dependencies
apt-get install -y build-essential
 
# download and compile PHP
for VERSION in 5.3.29 5.4.38 5.5.22 5.6.6; do
    wget -q "http://de1.php.net/get/php-${VERSION}.tar.bz2/from/this/mirror" -O- | tar xj -C /tmp
    cd /tmp/php-${VERSION}
    ./configure --prefix=/opt/php/${VERSION%.*} --disable-all --disable-cgi
    make install -j5
done
 
# add to PATH
for i in /opt/php/*; do
    ln -s $i/bin/php /usr/local/bin/php${i##*/}
done
 
# create backup
cd /opt/php
tar -cjf /tmp/opt.php.$(date -I).tar.bz2 *
 
# test backup
tar -tvf /tmp/opt.php.$(date -I).tar.bz2