The following is an idea of mine. Apply the server's PHP environment configuration to the program, generate a permission string, and then write the string into the permission file code. Even if the program is moved to another server unchanged, the program cannot run. I hope everyone can discuss more...
Copy code The code is as follows:
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);
}
$authorization_key = 'jb51.net';
echo authorization($authorization_key);//Here is the generated string verification
$authorization_check = array('dd670852938815f3892d3c511cc8fceb','ddc976cc02bce5c3c22c4d7d201c0cae' );//Authorization string, copy the generated character verification here
if (!in_array(authorization ($authorization_key), $authorization_check)) {
die('Sorry, your program is not authorized by Script Home!!');
}
http://www.bkjia.com/PHPjc/320306.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/320306.htmlTechArticleThe following is an idea of mine. Apply the server’s PHP environment configuration to the program to generate a permission string. , and then writes the string into the permitted file code. Even if the program...
Statement:The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn