Thread:Talk:MediaWiki/Install failed on CentOS 5.3/reply (7)

Might it be that it's some UTF problem with php? Does it have to do with this: http://www.mediawiki.org/wiki/Thread:Project:Support_desk/MediaWiki_v1.19.1_installation:_Compilation_failed:_support_for_%5CP,_%5Cp,_and_%5CX_has_not_been_compiled ?