Although it is a simple database connection code, it is ultimately used to determine user permissions. If you need it, you can refer to it. Although it is a simple database connection code, it is ultimately used to determine user permissions. If you need it, you can refer to it.
Script ec (2); script
| The Code is as follows: |
|
Error_reporting (0 );
Session_start ();
// Database tutorial connection
$ Conn = mysql tutorial _ connect ('localhost', 'root ','');
Mysql_select_db ('chenkn', $ conn );
Mysql_query ('set NAMES UTF-8 ');
// Define a constant
Define ('all _ Ps', 'php '); Function user_shell ($ uid, $ shell, $ m_id ){
$ SQL = "select * from admin where uid = '$ uid '";
$ Query = mysql_query ($ SQL );
$ Row = mysql_fetch_array ($ query ); $ Shell = is_array ($ row )? $ Shell = md5 ($ row ['username']. $ row ['Password']. ALL_PS): FALSE;
If ($ shell ){
If ($ row ['m _ id'] <= $ m_id ){
Return $ row;
}
Echo "your permissions are insufficient ";
Exit ();
} Else {
Echo "You are not authorized to access this page ";
Exit ();
}
} Function user_mktime ($ onlinetime ){
$ New_time = mktime ();
If ($ new_time-$ onlinetime)> '20140901 '){
Session_destroy ();
Echo "Login timeout ";
Exit ();
} Else {
$ _ SESSION ['times '] = mktime ();
} }
?> |
