No output?

liamloveslearning · April 29, 2010

Hi everyone, im working on a page which is broken somewhere and I cant figure out where, Im still learning PHP and I am a serious amateru but I thought if I incl. error reporting all atop of the page it should at least tell me it errors?

my code is ..

<?php require_once('Connections/saucy_connection.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;
}
}

$colname_getimg = "-1";
if (isset($_GET['photo']) {
  $colname_getimg = $_GET['photo'];
}
mysql_select_db($database_saucy_connection, $saucy_connection);
$query_getimg = sprintf("SELECT id, user_picture, picture_downloads FROM model_pictures WHERE id = %s", GetSQLValueString($colname_getimg, "int"));
$getimg = mysql_query($query_getimg, $saucy_connection) or die(mysql_error());
$row_getimg = mysql_fetch_assoc($getimg);
$totalRows_getimg = mysql_num_rows($getimg);
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>Untitled Document</title>
</head>

<body>

<p>Hello <?php echo $_GET['user']; ?>, You have bought <?php echo $_GET['photo']; ?><br /><?php echo $row_getimg['user_picture']; ?></p>


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

aebstract · April 29, 2010

<?php
ini_set('display_errors',1); 
error_reporting(E_ALL);
?>

Put that at the very top and see if you get anything. You're getting a white page? Sometimes if you don't get errors you can check your server's error logs and get them that way. Some white screens don't get to show a message as I've encountered.

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