[ISSUE] PHP Form processing verification in-page

thedoctor · January 1, 2009

Hello all -

Happy New Year & season's greetings!

I'm a newbie with PHP, so please, be kind. I've been trying to adapt a PHP contact form that verifies the fields before it's posted (eventually) thru a MySQL insert. The issue is that, while I've set the "usrname" length to fail if it's less than/equal to 3 chars, it will still return the error if it's more than that.

I'm adapting this script/setup fr http://snipplr.com/view/3498/php-form-validation-and-processing-same-page/ . I've been pulling my hair out for a few days now, so your advice is appreciated! Feel free it you think there's anything I could add!

TIA,

- The Doctor

<?php // http://snipplr.com/view/3498/php-form-validation-and-processing-same-page/
function VerifyForm(&$values, &$errors){
      // Do all necessary form verification
if (strlen($values['usrname']) <= 3)
	$errors['usrname'] = '<ul>
						<li>Requested username is too short</li>
					</ul>';
elseif (strlen($values['usrname']) > 60)
	$errors['usrname'] = '<ul>
						<li>Requested username is  too long</li>
					</ul>';
/*
      // Needs better checking 
if (!ereg('.*@.*\..{2,4}', $values['email']))
	$errors['email'] = '<ul>
					<li>E-mail address invalid</li>
				</ul>';
*/
/*	if (strlen($values['name']) < 3)
	$errors['name'] = 'Name too short';
elseif (strlen($values['name']) > 50)
	$errors['name'] = 'Name too long';

if (strlen($values['text']) == 0)
	$errors['text'] = 'Text required'; */
      
      return (count($errors) == 0);
      }
function DisplayForm($values, $errors){ // closes @ ln above function ProcessForm
?>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
<head>
	<title><?php include ("config.php"); echo "$appname"; ?>: User Registration</title>
	<link href="rite.css" rel="stylesheet" type="text/css" title="default" >
		<style type="text/css" media="screen, print"><!--
			@import url(default.css) screen;
		--></style>
</head>
<body>
	<div class="wrapper">
		<h1><?php include ("config.php"); echo "$appname"; ?></h1>
		<form action="<?= $_SERVER['PHP_SELF'] ?>" method="post">
			<fieldset>
				<legend>User Registeration</legend>
				<dl>
					<dt>
						<?php if (count($errors) > 0) echo "<span  class='error'>Error</span>"; ?>
					</dt>
					<dd>
						<span class="errormsg">
							<?= $errors['usrname'] ?>
							<?= $errors['passwd'] ?>
							<?= $errors['email'] ?>
							<?= $errors['phone'] ?>
						</span>
					</dd>
				</dl>			
				<dl>
					<dt><label for="usrname">Username:</label></dt>
					<dd><input id="usrname" tabindex="1" accesskey="u" type="text" name="login" size="20" value="<?= htmlentities($values['usrname']) ?>" /></dd>
				</dl>
				<dl>
					<dt><label for="passwd">Password:</label></dt>
					<dd><input id="passwd" tabindex="2" accesskey="p" type="text" name="passwd" size="20"  value="<?= htmlentities($values['passwd']) ?>" /></dd>
				</dl>
				<dl>
					<dt><label for="confirmpasswd">Confirm Password:</label></dt>
					<dd><input id="confirmpasswd" tabindex="3" accesskey="c" type="text" name="confirmpasswd" size="20"  value="<?= htmlentities($values['confirmpwd']) ?>" /></dd>
				</dl>
				<dl>
					<dt> </dt>
				</dl>
				<dl>
					<dt><label for="email">E-mail:</label></dt>
					<dd><input id="email" tabindex="4" accesskey="e" type="text" name="email" size="20"  value="<?= htmlentities($values['email']) ?>" /></dd>
				</dl>
				<dl>
					<dt><label for="confirmemail">Confirm E-mail:</label></dt>
					<dd><input id="confirmemail" tabindex="5" accesskey="f" type="text" name="confirmemail" size="20"  value="<?= htmlentities($values['confirmemail']) ?>" /></dd>
				</dl>
				<dl>
					<dt> </dt>
				</dl>
				<dl>
					<dt><label for="name">Name:</label></dt>
					<dd><input id="name" tabindex="6" accesskey="n" type="text" name="name" size="20" value="<?= htmlentities($values['name']) ?>" /></dd>
				</dl>
				<dl>
					<dt><label for="phone">Phone:</label></dt>
					<dd><input id="phone" tabindex="7" accesskey="p" type="text" name="phone" size="20"  value="<?= htmlentities($values['phone']) ?>" /></dd>
				</dl>
				<dl>				
					<dt><input tabindex="8" accesskey="r" type="reset" value="Reset" /></dt>
					<dd><input tabindex="9" accesskey="r" type="submit" value="Register" /></dd>
				</dl>
			</fieldset>
		</form>
		<div class="push"></div>
	</div>
	<div class="footer">
		<ul>
			<li><?php $ip = $_SERVER['REMOTE_ADDR']; echo "your ip address: $ip"; ?></li>
			<li><?php $remotehostname = gethostbyaddr($_SERVER['REMOTE_ADDR']); echo "your connection name: $remotehostname"; //Host name http://www.webmasterworld.com/forum88/12269.htm ?></li>
			<li>server doc root: <?php echo $_SERVER["DOCUMENT_ROOT"]; ?></li>
			<li>© Dataflow Mechanics, 2009. Just kidding, there's no copyright here.</li>
		</ul>
	</div>
</body>
</html>

<?php
}
      function ProcessForm($values){
	mail('email@emailaddress.com', 'Form test', $values['text'], "From: \"{$values['name']}\" <{$values['email']}>");
		// Replace with actual page or redirect 
	echo "<html><head><title>Thank you!</title></head><body>It's done!</body></html>";
      }

if ($_SERVER['REQUEST_METHOD'] == 'POST'){
$formValues = $_POST;
$formErrors = array();
      
if (!VerifyForm($formValues, $formErrors))
	DisplayForm($formValues, $formErrors);
else
	ProcessForm($formValues);
      }
else
      DisplayForm(null, null);
?>

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[ISSUE] PHP Form processing verification in-page

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