echo "<pre>";
print_r(get_extension_funcs("mysql"));
echo "</pre>";
/*
run:
Array
(
[0] => mysql_connect
[1] => mysql_pconnect
[2] => mysql_close
[3] => mysql_select_db
[4] => mysql_query
[5] => mysql_unbuffered_query
[6] => mysql_db_query
[7] => mysql_list_dbs
[8] => mysql_list_tables
[9] => mysql_list_fields
[10] => mysql_list_processes
[11] => mysql_error
[12] => mysql_errno
[13] => mysql_affected_rows
[14] => mysql_insert_id
[15] => mysql_result
[16] => mysql_num_rows
[17] => mysql_num_fields
[18] => mysql_fetch_row
[19] => mysql_fetch_array
[20] => mysql_fetch_assoc
[21] => mysql_fetch_object
[22] => mysql_data_seek
[23] => mysql_fetch_lengths
[24] => mysql_fetch_field
[25] => mysql_field_seek
[26] => mysql_free_result
[27] => mysql_field_name
[28] => mysql_field_table
[29] => mysql_field_len
[30] => mysql_field_type
[31] => mysql_field_flags
[32] => mysql_escape_string
[33] => mysql_real_escape_string
[34] => mysql_stat
[35] => mysql_thread_id
[36] => mysql_client_encoding
[37] => mysql_ping
[38] => mysql_get_client_info
[39] => mysql_get_host_info
[40] => mysql_get_proto_info
[41] => mysql_get_server_info
[42] => mysql_info
[43] => mysql_set_charset
[44] => mysql
[45] => mysql_fieldname
[46] => mysql_fieldtable
[47] => mysql_fieldlen
[48] => mysql_fieldtype
[49] => mysql_fieldflags
[50] => mysql_selectdb
[51] => mysql_freeresult
[52] => mysql_numfields
[53] => mysql_numrows
[54] => mysql_listdbs
[55] => mysql_listtables
[56] => mysql_listfields
[57] => mysql_db_name
[58] => mysql_dbname
[59] => mysql_tablename
[60] => mysql_table_name
)
*/
