root@darkstar:/usr/local/apache/bin# ./apachectl start
Syntax error on line 207 of /usr/local/apache/conf/httpd.conf:
Cannot load /usr/local/apache/libexec/libphp4.so into server: shared object not
open
./apachectl start: httpd could not be started

root@darkstar:/usr/local/apache/libexec# ls -la
total 5008
drwxr-xr-x   2 root     root         4096 Jul 12 00:18 ./
drwxr-xr-x  13 root     root         4096 Jul 12 00:30 ../
-rw-r--r--   1 root     root         7449 Jul 12 00:30 httpd.exp
-rwxr-xr-x   1 root     root      5061378 Jul 12 00:26 libphp4.so*

how i fix this problem in apache/php and my server work fine?
sorry of my bad english.