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<?php
$mobile_num_err = $gender_err = $department_err = $email_add_err = $first_name_err = $second_name_err = "";
if(isset($_REQUEST['submit'])){
if($_REQUEST['first_name']){
$first_name = $_REQUEST['first_name'];
if(!ctype_upper($first_name[0]) && $first_name[0]!=' '){
$first_name_err = 'First Letter must be captial';
}else if($first_name[0]==' '){
$first_name_err = 'Can not start with whitespace.';
}else if (preg_match('~[0-9]+~', $first_name)) {
$first_name_err = 'Name cannot contain any number.';
}else if(!(preg_match("/^[a-zA-Z\s]+$/", $first_name))){
$first_name_err = 'Name canot contain any special character.';
}
}else{
$first_name_err = 'First name is required';
}
if($_REQUEST['second_name']){
$second_name = $_REQUEST['second_name'];
if(!ctype_upper($second_name[0]) && $second_name[0]!=' '){
$second_name_err = 'First Letter must be captial';
}else if($second_name[0]==' '){
$second_name_err = 'Can not start with whitespace.';
}else if (preg_match('~[0-9]+~', $second_name)) {
$second_name_err = 'Name cannot contain any number.';
}else if(!(preg_match("/^[a-zA-Z\s]+$/", $second_name))){
$second_name_err = 'Name canot contain any special character.';
}
}else{
$second_name_err = 'Second name is required';
}
if($_REQUEST['email']){
$email = $_REQUEST['email'];
$pattern = "^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,3})$^";
if (!preg_match ($pattern, $email) ){
$email_add_err = "Email is not valid.";
}
}else{
$email_add_err = 'Email is required';
}
if($_REQUEST['mobile']){
$mobile = $_REQUEST['mobile'];
if (!preg_match ("/^[0-9]*$/", $mobile) ){
$mobile_num_err = "Only numeric value is allowed.";
}else if(strlen($mobile)!=11){
$mobile_num_err = "Mobile number must be 11 digits.";
}
}else{
$mobile_num_err = 'Mpbile Number is required';
}
if($_REQUEST['department']){
$department = $_REQUEST['department'];
if($department ==""){
$department_err = 'Department Can not empty.';
}
//here check from DB
}else{
$department_err = 'Department is required';
}
if($_REQUEST['gender']){
$gender = $_REQUEST['gender'];
if($gender=="male" || $gender=="female"){
}else{
$gender_err = "Invalid Gender Selection";
}
}else{
$gender_err = 'Must select one.';
}
}
?>
<!DOCTYPE html>
<html lang="en">
<head>
<!-- Required meta tags -->
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no" />
<!-- Bootstrap CSS -->
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@4.0.0/dist/css/bootstrap.min.css" integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm" crossorigin="anonymous" />
<title>Hello, world!</title>
</head>
<body>
<div class="container">
<h1>Validation Form</h1>
<form>
<div class="row">
<div class="col">
<label>Enter First Name</label>
<input type="text" class="form-control" name="first_name" placeholder="Enter First Name" />
<?php if(!$first_name_err==""){echo "<span style='margin-top:8px;' class='badge badge-pill badge-danger'>".$first_name_err."</span>";}?>
</div>
<div class="col">
<label>Enter Second Name</label>
<input type="text" class="form-control" name="second_name" placeholder="Enter Second Name" />
<?php if(!$second_name_err==""){echo "<span style='margin-top:8px;' class='badge badge-pill badge-danger'>".$second_name_err."</span>";}?>
</div>
</div>
<div class="row">
<div class="col">
<label>Enter Your Email</label>
<input type="email" class="form-control" name="email" placeholder="Enter Email Address" />
<?php if(!$email_add_err==""){echo "<span style='margin-top:8px;' class='badge badge-pill badge-danger'>".$email_add_err."</span>";}?>
</div>
<div class="col">
<label>Enter Your Mobile Number</label>
<input type="number" class="form-control" name="mobile" placeholder="Enter Mobile Number" />
<?php if(!$mobile_num_err==""){echo "<span style='margin-top:8px;' class='badge badge-pill badge-danger'>".$mobile_num_err."</span>";}?>
</div>
</div>
<div class="row">
<div class="col">
<label>Department</label>
<select class="form-control" name="department">
<option value="">Slect Department</option>
<option value="CSE">CSE</option>
<option value="EEE">EEE</option>
</select>
<?php if(!$email_add_err==""){echo "<span style='margin-top:8px;' class='badge badge-pill badge-danger'>".$department_err."</span>";}?>
</div>
<div class="col">
<label>Select One</label>
<div class="form-check">
<input class="form-check-input" type="radio" name="gender" id="exampleRadios1" value="male" checked>
<label class="form-check-label" for="exampleRadios1">
Male
</label>
</div>
<div class="form-check">
<input class="form-check-input" type="radio" name="gender" id="exampleRadios2" value="female">
<label class="form-check-label" for="exampleRadios2">
Female
</label>
</div>
<?php if(!$gender_err==""){echo "<span style='margin-top:8px;' class='badge badge-pill badge-danger'>".$gender_err."</span>";}?>
</div>
</div>
<button style="margin-top: 15px;" type="submit" class="btn btn-primary" name="submit">Submit</button>
</form>
</div>
<!-- Optional JavaScript -->
<!-- jQuery first, then Popper.js, then Bootstrap JS -->
<script src="https://code.jquery.com/jquery-3.2.1.slim.min.js" integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" crossorigin="anonymous"></script>
<script src="https://cdn.jsdelivr.net/npm/popper.js@1.12.9/dist/umd/popper.min.js" integrity="sha384-ApNbgh9B+Y1QKtv3Rn7W3mgPxhU9K/ScQsAP7hUibX39j7fakFPskvXusvfa0b4Q" crossorigin="anonymous"></script>
<script src="https://cdn.jsdelivr.net/npm/bootstrap@4.0.0/dist/js/bootstrap.min.js" integrity="sha384-JZR6Spejh4U02d8jOt6vLEHfe/JQGiRRSQQxSfFWpi1MquVdAyjUar5+76PVCmYl" crossorigin="anonymous"></script>
</body>
</html>
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