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Desperate Helppp.... WHILE loop structure >>

Posted: Thu Apr 08, 2010 10:02 pm
by santacrux
What im trying to accomplish.

Table reservations on desired days, but if the table is reserved for a specific day that the user inputs, then the program should spit out that that table is reserved for that date.

Steps i took:
1. Connect to database
2. Receive user data from form (table and date)
3. Compare user data to mysql database table & date rows
4. If there is equal data on the table and date rows to what the user submitted, echo "Unavailable"
5. But if its not equal echo "Available"

I hope this helps, thanks for your help

Code: Select all

<?php require_once('../Connections/Reservations.php'); ?>
<?php
if (!function_exists("GetSQLValueString")) {
function GetSQLValueString($theValue, $theType, $theDefinedValue = "", $theNotDefinedValue = "") 
{
  if (PHP_VERSION < 6) {
    $theValue = get_magic_quotes_gpc() ? stripslashes($theValue) : $theValue;
  }

  $theValue = function_exists("mysql_real_escape_string") ? mysql_real_escape_string($theValue) : mysql_escape_string($theValue);

  switch ($theType) {
    case "text":
      $theValue = ($theValue != "") ? "'" . $theValue . "'" : "NULL";
      break;    
    case "long":
    case "int":
      $theValue = ($theValue != "") ? intval($theValue) : "NULL";
      break;
    case "double":
      $theValue = ($theValue != "") ? doubleval($theValue) : "NULL";
      break;
    case "date":
      $theValue = ($theValue != "") ? "'" . $theValue . "'" : "NULL";
      break;
    case "defined":
      $theValue = ($theValue != "") ? $theDefinedValue : $theNotDefinedValue;
      break;
  }
  return $theValue;
}
}

$maxRows_checkorders = 10;
$pageNum_checkorders = 0;
if (isset($_GET['pageNum_checkorders'])) {
  $pageNum_checkorders = $_GET['pageNum_checkorders'];
}
$startRow_checkorders = $pageNum_checkorders * $maxRows_checkorders;

mysql_select_db($database_Reservations, $Reservations);
$query_checkorders = "SELECT orders.tablenumber, orders.`date` FROM orders";
$query_limit_checkorders = sprintf("%s LIMIT %d, %d", $query_checkorders, $startRow_checkorders, $maxRows_checkorders);
$checkorders = mysql_query($query_limit_checkorders, $Reservations) or die(mysql_error());
$row_checkorders = mysql_fetch_assoc($checkorders);

if (isset($_GET['totalRows_checkorders'])) {
  $totalRows_checkorders = $_GET['totalRows_checkorders'];
} else {
  $all_checkorders = mysql_query($query_checkorders);
  $totalRows_checkorders = mysql_num_rows($all_checkorders);
}
$totalPages_checkorders = ceil($totalRows_checkorders/$maxRows_checkorders)-1;


$table = $_POST['table'];
$redate = $_POST['ADate'];


if ($table && $redate){
} else {
	print "Not submitted";
}	
while ($row_checkorders = mysql_fetch_assoc($checkorders)){
    echo 'While loop entered.<br />';
    if ($_POST['table'] == $row_checkorders['tablenumber'] && $_POST['ADate'] == $row_checkorders['date']){
        echo 'If statement TRUE.<br />';
        print "Table $table is unavailable for $redate. Please select another table or another day.";
    } else {
        echo 'If statement FALSE.<br />';
        print "Available";
    }
}


// PROBLEM HERE >>>>>>>>>>>>>>>


while ($row_checkorders = mysql_fetch_assoc($checkorders)){
	
	if ($_POST['table'] == $row_checkorders['tablenumber'] && $_POST['ADate'] == $row_checkorders['date']){
	
	print "Table $table is unavailable for $redate. Please select another table or another day.";

} else {
  print "Available";
}
}

//This didnt work either
/*

do { 
if ($_POST['table'] == $row_checkorders['tablenumber'] && $_POST['ADate'] == $row_checkorders['date']){
	
	print "Table $table is unavailable for $redate. Please select another table or another day.";
} else{
  print "Available";
}
} while ($row_checkorders = mysql_fetch_assoc($checkorders));

*/
?>
</body>
</html>
<?php
mysql_free_result($checkorders);
?>

Re: Desperate Helppp.... WHILE loop structure >>

Posted: Fri Apr 09, 2010 2:30 am
by cpetercarter
It would help if you could explain what result you get when you run the code - eg error messages, the "wrong" answer, no answer at all etc.

Re: Desperate Helppp.... WHILE loop structure >>

Posted: Fri Apr 09, 2010 10:16 am
by Technocrat
It would also be helpful to know what your date field in the DB is like and what the POST date is like. For example is your POST date a string like '9/4/10' and the DB is an timestamp like 1270829669.

Re: Desperate Helppp.... WHILE loop structure >>

Posted: Fri Apr 09, 2010 11:25 am
by Benjamin
:arrow: Duplicate - Locked