Centos updated PHP x86_64 rpm's are here for you to download.
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Index of /php/php-5.2.10/SRPMS/

Icon  Name                                      Last modified      Size  Description
[DIR] Parent Directory                                               -   
[   ] php-5.2.10-1.src.rpm                      20-Jun-2009 13:56   11M  
[   ] php-eaccelerator-5.2.10_0.9.5.2-1.src.rpm 20-Jun-2009 14:01  123K  
[   ] php-extras-5.2.10-1.src.rpm               20-Jun-2009 13:59   11M