Easy-to-use counters (databases)

Source: Internet
Author: User
Usage? Include (counter. php); Counter (_ FILE _); add a count for the FILE if ($ PHP_SELFindex.php) {$ countCounter (INDEX_COUNT ); add a count for the homepage} else {$ countCounter (INDEX_COUNT, 0); get the homepage count} echo you are the $ count visitor ;? -------- Counter. php counter

Usage
Include ("counter. php ");
Counter (_ FILE _); // add a count for the FILE
If ($ PHP_SELF = "/index. php ")
{
$ Count = Counter ("INDEX_COUNT"); // add a count for the homepage
}
Else
{
$ Count = Counter ("INDEX_COUNT", "", 0); // Get the homepage count
}
Echo "you are the $ count visitor ";
?>
-------- Counter. php -----------
If (! Isset ($ PHP_INCLUDE_COUNTER_PHP ))
{$ PHP_INCLUDE_COUNTER_PHP =__ FILE;

$ Counter_error_state = 0;
$ Counter_error_msg = "";
Function Counter ($ file, $ query = "", $ add = 1)
{
$ Db_name = "database ";
$ Db_user = "username ";
$ Db_pass = "password ";
$ Db_table = "counter ";

If (empty ($ file ))
{
$ Counter_error_state =-100;
$ Counter_error_msg = "The first parameter is missing or the parameter is null ";
Return-100;
}
Global $ PHP_SELF, $ QUERY_STRING, $ counter_error_state, $ counter_error_msg;
If (empty ($ db_user) |! $ Db_user | $ db_user = "") $ res = @ mysql_connect ("localhost ");
Else $ res = @ mysql_connect ("localhost", $ db_user, $ db_pass );
If (! $ Res)
{
$ Counter_error_states =-10;
$ Counter_error_msg = "The database cannot be connected ";
Return-10;
}
If (! @ Mysql_select_db ($ db_name ))
{
$ Counter_error_states =-11;
$ Counter_error_msg = "You cannot select a database ";
Return-11;
}
Else
{
If (! $ Db_res = @ mysql_query ("SELECT * FROM". $ db_table ))
{
If (! $ Db_res = @ mysql_query ("create table ". $ db_table. "(id INTEGER AUTO_INCREMENT, primary key (id), file VARCHAR (255), query VARCHAR (255), time VARCHAR (255), count INT )"))
{
$ Counter_error_states =-20;
$ Counter_error_msg = "a data table cannot be created ";
Return-20;
}
@ Mysql_free_result ($ db_res );
}
$ Str = "SELECT * FROM ". $ db_table. "WHERE file = \"". $ file. "\" AND query = \"". $ query. "\"";

If (! $ Db_res = @ mysql_query ($ str ))
{
$ Counter_error_states =-30;
$ Counter_error_msg = "records cannot be queried ";
Return-30;
}
$ Num = @ mysql_num_rows ($ db_res );
If ($ num> 1)
{
$ Counter_error_states =-40;
$ Counter_error_msg = "unexpected error occurred = data row error ";
Return-40;
}
$ Count = 0;
$ Str = "INSERT ";
$ StrWhere = "";
If ($ num = 1)
{
$ Row = @ mysql_fetch_array ($ db_res );
@ Mysql_free_result ($ db_res );
$ Count = $ row ["count"];
$ Id = $ row ["id"];
$ Str = "UPDATE ";
$ StrWhere = "WHERE id = $ id ";
}
If ($ add <1) return $ count;
$ Count = $ add;
$ Str. = $ db_table. "SET file = \"". $ file. "\", query = \"". $ query. "\", time = \"". date ("Y; n; d; G; I; s "). "\", count = ". $ count. $ strWhere;
$ Db_res = @ mysql_query ($ str );
If (! $ Db_res)
{
$ Counter_error_states =-50;
$ Counter_error_msg = "records cannot be added or updated ";
Return-50;
}
Return $ count;
}
}

}
?>
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