How to install PHP 5.3.X as secondary php version from source
PHPV=5.3.6
cd /usr/local/src
wget http://us.php.net/get/php-$PHPV.tar.gz/from/this/mirror
mv mirror php-$PHPV.tar.gz
tar xzvf php-$PHPV.tar.gz
chown -R $USER:$USER php-$PHPV/
cd php-$PHPV/
apt-get install libxml2-dev libssl-dev libcurl4-gnutls-dev libjpeg62-dev libpng12-dev libfreetype6-dev unixodbc-dev
./configure
--prefix=/usr/local/php5.3
--with-config-file-path=/usr/local/etc/php5.3
--with-config-file-scan-dir=/usr/local/etc/php5.3/$SAPIconf.d
--with-libdir=/lib
--disable-cgi
--with-libxml-dir=/usr/
--with-mysql=/usr/
--enable-pdo
--with-pdo-mysql
--with-mysqli
--with-zlib-dir=/usr
--with-curl
--with-gd
--with-jpeg-dir=/usr/lib
--with-png-dir=/usr/lib
--with-freetype-dir=/usr/lib
--with-gettext
--enable-mbstring
--enable-soap
--enable-ftp
--enable-fpm
--with-openssl
make
make test
make install
More help in case you have errors: PHP-Configure-und-Compile-Fehler