HomeMonday, July 24, 2017, 22:37:48
3

PHP Form Validation

Tuesday, February 10, 15, 13:18:12, 3 Yaers Ago Via wain, Hits: 2444
PHP form validation :: PHP tutorial, requirement(s): PHP Server
Download source code:
http://phpform.net/download.php?f=validation.zip

Code:
<?php
if(isset($_POST['submit']))
{
$mail = $_POST['mail'];
$subject = $_POST['subject'];
$msg = $_POST['msg'];
$headers = 'From: System <noreply@example.com>';
$name=array($mail,$subject,$msg);
foreach ($name as $name)
{
if (ereg("^\<",$name)) {
echo "<center>Invalid Characters:
<a href=\"javascript:history.go(-1)\">Go Back</a></center>";
Die();
}
if (ereg("^\[",$name)) {
echo "<center>Invalid Characters:
<a href=\"javascript:history.go(-1)\">Go Back</a></center>";
Die();
}
if (ereg("^\$",$name)) {
echo "<center>Invalid Characters:
<a href=\"javascript:history.go(-1)\">Go Back</a></center>";
Die();
}
if (strlen($name) < 3) {
echo "<center>Field must be at least 3 characters long:
<a href=\"javascript:history.go(-1)\">Go Back</a></center>";
Die();
}
if (strlen($name) > 120) {
echo "<center>Max Characters in Field: 120
<a href=\"javascript:history.go(-1)\">Go Back</a></center>";
Die();
}
}
mail($mail, $subject, $msg,$headers);
echo "O.K.";
}else{
?>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=utf-8" />
<script language="JavaScript">
function validationEmail(maForm) {
if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(maForm.mail.value)){
return (true)
}
alert("Invalid E-mail Address! Please re-enter.")
return (false)
}
</script>
</head>
<form name="maForm" action="<?php echo $_SERVER['PHP_SELF']; ?>"
method="POST" onSubmit="return validationEmail(this)">
<input type=text name="mail" value="e-Mail"><br>
<input type=text name="subject" value="e-Mail subject"><br>
<input type=text name="msg" value="e-Mail message"><br>
<input type="submit" name="submit" value="submit">
</form>
<?php
}
?>

Sign In

Sponsor

Related

PHP Tutorials

Useful step-by-step PHP tutorials for beginners

PHP highlight_string - PHP Tutorial

Outputs or returns a syntax highlighted version of the given PHP code using the colors defined in the built-in syntax highlighter for PHP. Requirement(s): PHP Server.

Upload and Resize an Image with PHP

Tutorial - How to upload and resize image with PHP

PHP Form Action Self Submit

PHP form action self submit tutorial, requirement(s): PHP server

Addslashes - Stripslashes

addslashes — quote string with slashes, stripslashes — un-quotes a quoted string

PHP Trim

trim() Strip whitespace (or other characters) from the beginning and end of a string.

PHP getdate

Returns an associative array containing the date information of the timestamp, or the current local time if no timestamp is given.

Jquery PHP Contact Form

This script allows your visitors to send you an email directly from your website.

Preg_Match - PHP Form Validation

PHP form validation with preg_match

Bookmark Current Page - PHP Tutorial

Bookmark current page with PHP example.
About Author

wain

Date Registered: Sun, Feb 8, 15
Last Time Online: Thu, Jun 15, 17
So far has created 115 entries.
wain
This author has not yet filled in any details.