Centos updated PHP x86_64 rpm's are here for you to download.
Go to source article.

Index of /php/php-5.2.9/SRPMS/

Icon  Name                                     Last modified      Size  Description
[DIR] Parent Directory                                              -   
[   ] php-5.2.9-1.src.rpm                      07-May-2009 18:46   12M  
[   ] php-eaccelerator-5.2.9_0.9.5.2-1.src.rpm 07-May-2009 20:59  123K  
[   ] php-extras-5.2.9-1.src.rpm               07-May-2009 18:54   12M