Form Input
Form Results
HTML
<form action="" method="POST" id="demoForm" class="row row-cols-lg-auto g-3 align-items-center">
<div class="container-input">
<label class="visually-hidden" for="inlineFormInputGroupName">Name</label>
<div class="input-group">
<div class="input-group-text"><i class="fa-solid fa-user"></i></div>
<input type="text" name="name" class="form-control" id="inlineFormInputGroupName" placeholder="name" maxlength="20">
</div>
</div>
<div class="container-input">
<label class="visually-hidden" for="inlineFormInputGroupEmail">Email</label>
<div class="input-group">
<div class="input-group-text"><i class="fa-solid fa-at"></i></div>
<input type="text" name="email" class="form-control" id="inlineFormInputGroupEmail" placeholder="email" maxlength="40">
</div>
</div>
<div class="container-input">
<label class="visually-hidden" for="inlineFormInputGroupSubject">Subject</label>
<div class="input-group">
<div class="input-group-text"><i class="fa-solid fa-comment-dots fa-flip-horizontal"></i></div>
<input type="text" name="subject" class="form-control" id="inlineFormInputGroupSubject" placeholder="subject" maxlength="20">
</div>
</div>
<div class="container-input">
<label class="visually-hidden" for="inlineFormInputGroupMessage">Message</label>
<div class="input-group">
<textarea class="form-control" name="message" id="inlineFormInputGroupMessage" placeholder="message" maxlength="60"></textarea>
</div>
</div>
<div class="container-input">
<input name="submit" type="submit" value="Submit" class="btn btn-primary float-end" data-toggle="tooltip" data-bs-placement="left" title="This is a demonstration. Your input will not be posted.">
</div>
</form>
<div id="output"></div>
CSS
.demo-container {
padding: 2em;
}
.demo-input-error {
color: red;
font-weight: 500;
}
.demo-fa-error {
padding-left: 0.5em;
font-size: small;
}
.demo-fa-warning {
padding-left: 0.5em;
font-size: small;
color: #ff9900;
}
.demo-container-after-submit {
text-align: left;
}
.container-input {
display: block;
width: 100%;
}
jQuery
<script>
$(function () {
$('#demoForm').on('submit', function (event) {
$.ajax({
type: 'post',
url: 'post.php',
data: $('form').serialize(),
success: function (data) {
$("#output").html(data);
}
});
event.preventDefault();
});
});
</script>
PHP (post.php)
<?php
$name = $_POST["name"];
$email = $_POST["email"];
$subject = $_POST["subject"];
$message = $_POST["message"];
// if the name field is empty:
if ($name == "" ) {
echo "Please fill in your <span class=\"demo-input-error\">name <i class=\"fa-solid fa-user demo-fa-error\"></i> </span>";
}
// if the email address field is empty:
else if ($email == "" ) {
echo "Please fill in your <span class=\"demo-input-error\">email address <i class=\"fa-solid fa-at demo-fa-error\"></i> </span>";
}
// if the email address is not valid
else if (!preg_match("/^([a-z0-9\+_\-]+)(\.[a-z0-9\+_\-]+)*@([a-z0-9\-]+\.)+[a-z]{2,6}$/ix", $email)) {
echo "Please enter <span class=\"demo-input-error\">a valid email address
<i class=\"fa-solid fa-circle-exclamation demo-fa-warning\"></i></span>";
}
// if the subject field is empty:
else if ($subject == "" ) {echo "Please fill in <span class=\"demo-input-error\">the subject <i class=\"fa-solid fa-brain\"></i>";}
// if the message field is empty:
else if ($message == "" ) {echo "Please enter <span class=\"demo-input-error\">your message</span>";}
// if all the fields have been filled in:
else {
echo "<div class=\"rounded-8 demo-container-after-submit\">";
echo "Your information has been submitted successfully. Thank you <strong>". $name . "</strong><br><br>";
echo "<b>Name:</b> ".$name."<br>";
echo "<b>Email:</b> ".$email."<br>";
echo "<b>Subject:</b> ".$subject."<br>";
echo "<b>Message:</b><br> ".$message;
echo "</div>";
}
?>
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Calculate the similarity of text
Comparison operators
Count page views in a session
Display a random image
Display a random text
Display array values
Display a time based greeting
Display the current copyright year
Display current date
Display the current date in another language
Display date based on system language settings
Quiz with input fields
Quiz with input fields, multi-steps
Quiz with radio buttons
Quiz with radio buttons, multi-steps
Redirect users to another page
Retrieve checkbox values
Retrieve form input values
Retrieve the value of the selected option
Retrieve the value of the star rating
Store the value of a radio button in a session
Truncate a string to a specified width
Word Wrap