You want it using SMS gateways and short codes or email to SMS?
yum install php-curl yum install php-ssl service httpd restart If php works, the permission for php curl will work.
My experience with rand under mysql is awful. Depending on the size of your table and your indexes, the result can just be one loooonnngg wait...
I have been a coder for .. let's say few years :) and from one language to another what you retain is a CONCEPT. for instance: The loops...
Separate names with a comma.