PHP program authorization verification development ideas _ PHP Tutorial

PHP program authorization verification development ideas. It is important to implement a set of commercial procedures. for example, if only a client can be used for one server, authorization verification is very important. The following is my idea: configure the php environment of the server and make a set of commercial programs in the program. for example, if only a sufficient number of customers can only use one server, authorization verification is very important. The following is my idea: apply the php environment configuration of the server to the program, generate a license string, and write the string to the license file code. Even if the program is not moved to another server, the program cannot run. I hope you will discuss more ......

/**
* BkJia Chinese forum @ authorization string
*/
Function authorization ($ seed = ){
$ Encode = $ _ SERVER [SERVER_SOFTWARE]. $ _ SERVER [SERVER_NAME]. $ _ SERVER [DOCUMENT_ROOT].
$ _ SERVER [SERVER_ADMIN]. $ _ SERVER [SERVER_ADDR]. PHP_VERSION. PHP_ OS. _ FILE __;
Return md5 ($ encode );
}

$ Authorization_key = 2cto.com;
Echo authorization ($ authorization_key); // here the string verification is generated
$ Authorization_check = array (dd670852938815f3892d3c511cc8fceb, ddc976cc02bce5c3c22c4d7d201c0cae); // The authorization string copies the generated character verification here.

If (! In_array (authorization ($ authorization_key), $ authorization_check )){
Die (sorry, your program has not been authorized by bkJia !!);
}

Bytes. The following is my idea to apply the php environment configuration of the server to the program...