<?php

function db_connect()
{
   // Load SQL server variables
   require("config.inc.php");
   $result = mysql_pconnect($cfg['sqlserver'], $cfg['sqlusername'], $cfg['sqlpassword']); 
   if (!$result)
   {
      return false;
   }
   if (!mysql_select_db($cfg['sqldatabase']))
   {
      echo "<h4>Error: cannot connect to the database \"" . $cfg['sqldatabase'] . "\" on server \"" . $cfg['sqlserver'] . "\".<BR>";
      echo_db_error();
      exit;
   }

   return $result;
}

function echo_db_error()
{
   $cfg = $GLOBALS["cfg"];
   echo "<B>MySQL error " . mysql_errno() . ": " . mysql_error() . "<BR>";
   echo "Please contact the database administrator, " . $cfg['adminname'] . ", at " . $cfg['adminemail'] . ".</B><P>";  
}

function db_result_to_array($result)
{
   $res_array = array();

   for ($count=0; $row = mysql_fetch_array($result); $count++)
     $res_array[$count] = $row;

   return $res_array;
}

function organization_exists($orgid)
{

   // Make a connection to the database
   $conn = db_connect();
   
   // Check to see if the organization with $orgid exists
   $query = "select Org_ID from Organizations where Org_ID = $orgid";
   $result = mysql_query($query);

   if (!$result)
   {
      // Database error
      echo "<BR>Database error:<BR>";
      echo_db_error();
      return 0;
   }

   if (mysql_num_rows($result) > 0)
   {
      return 1;
   }

   else
   {
      return 2;
   }
}

function mysql_major_version () {
   $conn = db_connect();
   $longversion = mysql_get_server_info();
   preg_match('/^(\d)/', $longversion, $matches);
   $majorversion = $matches[1];
   mysql_close($conn);
   return $majorversion;
}

?>