apache no inicia

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tengo este problema el apache no arranca algun comentario

gracias.

Starting httpd: httpd: Syntax error on line 303 of /etc/httpd/conf/httpd.conf: Syntax error on line 3 of /etc/httpd/modules.d/70_mod_php.conf: Cannot load /etc/httpd/extramodules/mod_php5.so into server: /usr/lib64/libxml2.so.2: symbol gzopen64, version ZLIB_1.2.3.3 not defined in file libz.so.1 with link time reference
[FALLÓ ]