How to compile php on a plesk machine and actually get it to work so I took the time to document everything. This guide *should* work, I know it worked on 2 seperate machines. Aside from that do it at your own risk I am not so fond of plesk because it does have so many issues with upgrade. If you have any trouble or dep issues please post thme here so I can work the fixes into the guide.

yum install zlib-devel webalizer unixODBC unixODBC-devel tcl tcl-devel sysstat sendmail-devel rwho pspell-devel php-devel php-imap php-ldap php-mysql php-odbc perl-Crypt-SSLeay perl-DBD-Pg perl-DB_File perl-DateManip perl-HTML-Parser perl-HTML-Tagset perl-Parse-Yapp perl-Time-HiRes perl-URI perl-XML-Dumper perl-XML-Encoding perl-XML-Grove perl-XML-Parser perl-XML-Twig perl-libwww-perl perl-libxml-enno perl-libxml-perl perl-suidperl pciutils-devel patchutils openssl-perl openssl-devel net-snmp net-snmp-devel net-snmp-libs net-snmp-perl net-snmp-utilsmysql-devel mrtg mod_perl mod_perl-devel mod_ssl mailman libxslt libxslt-devel libxml libxml-devel libtool libstdc++-devel libpng-devel libpng10 libpng10-devel libjpeg-devel libdbi-dbd-mysql joe htdig htdig-web gd gd-devel compat-libstdc++ compat-libstdc++-devel compat-db compat-gcc compat-gcc-c++ compat-glibc bzip2-devel bind bind-chroot bind-devel ImageMagick ImageMagick-devel ImageMagick-perl MyODBC mysql-bench libmhash libmhash-devel libmcrypt libmcrypt-devel sablotron sablotron-devel js- js-devel

cd /root
wget http://us2.php.net/distributions/php-4.4.9.tar.gz
tar -zvxf php-4.4.9.tar.gz
cd php-4.4.9

./configure –prefix=/usr/local/php4 –bindir=/usr/bin –sbindir=/usr/sbin –sysconfdir=/etc –datadir=/usr/share –includedir=/usr/include –libdir=/usr/lib –libexecdir=/usr/libexec –with-libdir=lib –with-curl=/usr/bin –with-config-file-path=/usr/local/php4/lib –with-pic –disable-rpath –with-exec-dir=/usr/bin –with-png-dir=/usr –enable-gd-native-ttf –without-gdbm –with-gettext –with-iconv –with-jpeg-dir=/usr –with-png –with-zlib –enable-exif –enable-ftp –enable-magic-quotes –enable-sockets –enable-track-vars –enable-trans-sid –enable-yp –enable-wddx –with-pear=/usr/share/pear –enable-calendar –with-libxml-dir=/usr –with-xml –enable-force-cgi-redirect –enable-pcntl –enable-mbstring –enable-mbregex –with-ncurses –with-gd –enable-bcmath –with-xmlrpc –with-mysql –with-mysqli –enable-dom –with-xsl –enable-fastcgi –with-openssl –program-suffix=4 –with-expat-dir=/usr –with-mhash –with-mcrypt

make
make install