[cacti, php,opensuse]

# cat /etc/php5/apache2/php.ini | grep dll

; Note that ODBC support is built in, so no dll is needed for it.
;extension=php_bz2.dll
;extension=php_curl.dll
;extension=php_fileinfo.dll
;extension=php_gd2.dll
;extension=php_gettext.dll
;extension=php_gmp.dll
;extension=php_intl.dll
......

# cd /usr/lib64/php5/extensions/
# ls -la
total 1176
drwxr-xr-x 2 root root   4096 Apr 25 14:51 .
drwxr-xr-x 3 root root   4096 Apr 25 14:01 ..
-rw-r--r-- 1 root root  14688 Feb 27 16:23 ctype.so
-rw-r--r-- 1 root root 176272 Feb 27 16:23 dom.so
-rw-r--r-- 1 root root 162720 Feb 27 16:23 hash.so
-rw-r--r-- 1 root root  43848 Feb 27 16:23 iconv.so
-rw-r--r-- 1 root root  35424 Feb 27 16:23 json.so
-rw-r--r-- 1 root root  52000 Feb 27 16:23 mysql.so
-rw-r--r-- 1 root root 128664 Feb 27 16:23 mysqli.so
-rw-r--r-- 1 root root 114128 Feb 27 16:23 pdo.so
-rw-r--r-- 1 root root  27608 Feb 27 16:23 pdo_mysql.so
-rw-r--r-- 1 root root  27896 Feb 27 16:23 pdo_sqlite.so
-rw-r--r-- 1 root root  35584 Feb 27 16:23 snmp.so
-rw-r--r-- 1 root root  48008 Feb 27 16:23 sockets.so
-rw-r--r-- 1 root root  85672 Feb 27 16:23 sqlite.so
-rw-r--r-- 1 root root  49704 Feb 27 16:23 sqlite3.so
-rw-r--r-- 1 root root  18888 Feb 27 16:24 tokenizer.so
-rw-r--r-- 1 root root  31560 Feb 27 16:24 xmlreader.so
-rw-r--r-- 1 root root  47880 Feb 27 16:24 xmlwriter.so
-rw-r--r-- 1 root root  40176 Feb 27 16:24 zlib.so

# ln -s snmp.so php_snmp.dll
# ln -s sockets.so php_sockets.dll

# php /usr/share/cacti/poller.php 
PHP Warning:  Module 'mysql' already loaded in Unknown on line 0
PHP Warning:  Module 'snmp' already loaded in Unknown on line 0
PHP Warning:  Module 'sockets' already loaded in Unknown on line 0
Could not open input file: /usr/share/cacti/poller.php

Could not open input file: /usr/share/cacti/poller.php