mkdir ~/php5.2
cd ~/php5.2
wget -c http://museum.php.net/php5/php-5.2.14.tar.gz
wget -c http://php-fpm.org/downloads/php-5.2.14-fpm-0.5.14.diff.gz

tar zxvf php-5.2.14.tar.gz
gzip -cd php-5.2.14-fpm-0.5.14.diff.gz | patch -d php-5.2.14 -p1

export PHP_AUTOCONF=/usr/local/autoconf-2.13/bin/autoconf¬
export PHP_AUTOHEADER=/usr/local/autoconf-2.13/bin/autoheader

cd php-5.2.14/
./buildconf --force
./configure --prefix=/usr/local/php-5.2.14 --with-config-file-path=/usr/local/php-5.2.14/etc --with-mysql=/usr/local/mysql --with-mysqli=/usr/local/mysql/bin/mysql_config --enable-fastcgi --enable-fpm
make ZEND_EXTRA_LIBS='-liconv'
make install

<value name="listen_address">127.0.0.1:9001</value>

<value name="listen_address">/path/to/unix/socket</value>

/usr/local/php-5.2.14/sbin/php-fpm start

cp -f (php -5.3.x-source-dir)/sapi/fpm/init.d.php-fpm /etc/init.d/php-fpm
chmod 755 /etc/init.d/php-fpm
/etc/init.d/php-fpm start

location ~ .*.(php|php5)?$
    {
      fastcgi_pass 127.0.0.1:9001;
      fastcgi_index index.php;
      include fcgi.conf;
    }

./configure --prefix=/usr/local/php-5.5.10 --with-config-file-path=/usr/local/php-5.5.10/etc --with-mysql=mysqlnd --with-mysqli=mysqlnd --with-bz2 --with-curl=/usr/bin --enable-ftp --enable-sockets --disable-ipv6 --with-gd --with-jpeg-dir=/usr/local --with-png-dir=/usr/local --with-freetype-dir=/usr/local --enable-gd-native-ttf --with-iconv-dir=/usr/local --enable-mbstring --enable-calendar --with-gettext --with-libxml-dir=/usr/local --with-zlib --with-pdo-mysql=mysqlnd --enable-dom --enable-xml --enable-fpm --with-libdir=lib64 --with-mcrypt=/usr/bin --enable-zip --enable-soap --enable-mbstring --with-gd --with-openssl --enable-pcntl --with-xmlrpc --enable-opcache