Hi i am getting error while putting validations for email in PHP5.2 see my below code: i have called checkemail() and written function checkemail() in script. but i am getting error like Error: Duplicate entry '' for key 'PRIMARY' as i have declare email id as primary key. when i put anything in email id then it accepting in database. i think function is not executing properly. guide if have suitable solutions.if required any details then let me know.
<head>
<script>
function checkEmail()
{
$strEmail= mysql_real_escape_string($_POST['email']);
if (!eregi("^[_a-z0-9-]+(.[_a-z0-9-]+)*@[a-z0-9-]+(.[a-z0-9-]+)*(.[a-z]{2,3})$", $strEmail))
{
return true;
}
else
{
return false;
}
}
</script>
</head>
<body>
<div class="container">
<section id="content">
<form name="form1" method="post" action="check_register.php">
<div>
<input type="text" placeholder="Enter username" required="" id="uname" name="uname"/>
</div>
<div>
<input type="text" placeholder="Enter Email-id" required="" id="email" name="email" onfocus="checkEmail('email');" />
</div>
<div>
<input type="password" placeholder="Enter Password" required="" id="pass" name="pass"/>
</div>
<div>
<input type="password" placeholder="Repeat Password" required="" id="rpass" name="rpass" onfocus="checkPassword(document.getElementById('pass'), this);" oninput="checkPassword(document.getElementById('pass'), this);"/>
</div>
<div>
<input type="text" placeholder="Enter country" required="" id="country" name="country"/>
</div>
<div>
<input type="submit" value="Register" />
</div>
</form>
</section>
</div>
<script src="form-validation.js"/></script>
</body>
