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undefined variable errorString. what's wrong with this? Notice: Undefined variable: errorString in /Applications/XAMPP/xamppfiles/htdocs/finalproject/donate/thankyou.php on line 97 Notice: Undefined variable: messageString in /Applications/XAMPP/xamppfiles/htdocs/finalproject/donate/thankyou.php on line101 <?php require "config.php"; require "connect.php"; if(isset($_POST['submitform']) && isset($_POST['txn_id'])) { $_POST['nameField'] = esc($_POST['nameField']); $_POST['websiteField'] = esc($_POST['websiteField']); $_POST['messageField'] = esc($_POST['messageField']); $error = array(); if(mb_strlen($_POST['nameField'],"utf-8")<2) { $error[] = 'Please fill in a valid name.'; } if(mb_strlen($_POST['messageField'],"utf-8")<2) { $error[] = 'Please fill in a longer message.'; } if(!validateURL($_POST['websiteField'])) { $error[] = 'The URL you entered is invalid.'; } $errorString = ''; if(count($error)) { $errorString = join('<br />',$error); } else { mysql_query(" INSERT INTO dc_comments (transaction_id, name, url, message) VALUES ( '".esc($_POST['txn_id'])."', '".$_POST['nameField']."', '".$_POST['websiteField']."', '".$_POST['messageField']."' )"); if(mysql_affected_rows($link)==1) { $messageString = '<a href="donate.php">You were added to our donor list! ยป</a>'; } } } ?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>Thank you!</title> <link rel="stylesheet" type="text/css" href="styles.css" /> </head> <body class="thankyouPage"> <div id="main"> <h1>Thank you!</h1> <h2>Add Yourself to our Donor Section</h2> <div class="lightSection"> <form action="" method="post"> <div class="field"> <label for="nameField">Name</label> <input type="text" id="nameField" name="nameField" /> </div> <div class="field"> <label for="websiteField">Web Site</label> <input type="text" id="websiteField" name="websiteField" /> </div> <div class="field"> <label for="messageField">Message</label> <textarea name="messageField" id="messageField"></textarea> </div> <div class="button"> <input type="submit" value="Submit" /> <input type="hidden" name="submitform" value="1" /> <input type="hidden" name="txn_id" value="<?php echo $_POST['txn_id']?>" /> </div> </form> <?php if($errorString) { echo '<p class="error">'.$errorString.'</p>'; } else if($messageString) { echo '<p class="success">'.$messageString.'</p>'; } ?> </div> </body> </html> <?php function esc($str) { global $link; if(ini_get('magic_quotes_gpc')) $str = stripslashes($str); return mysql_real_escape_string(htmlspecialchars(strip_tags($str)),$link); } function validateURL($str) { return preg_match('/(http|ftp|https):\/\/[\w\-_]+(\.[\w\-_]+)+([\w\-\.,@?^=%&:\/~\+#]*[\w\-\@?^=%&\/~\+#])?/i',$str); } ?>
