安装php后重启apache 出错

[root@localhost ~]# /usr/local/apache2/bin/apachectl restart
httpd: Syntax error on line 53 of /usr/local/apache2/conf/httpd.conf: Cannot load /usr/local/apache2/modules/libphp5.so into server: /usr/local/apache2/modules/libphp5.so: undefined symbol: sqlite3VtabArgExtend
是什么原因？