Here we will save Form Data to a ‘CSV’ File instead of any Database, we are going to use PHP for this.

(We are assuming you have knowledge of PHP)

So let’s get started.

STEP 1:

Create a CSV File ‘contact_data.csv‘. (Open Ms Excel and save a file in CSV Format)

Write the column name in the first row of the ‘contact_data.csv’.

(Here we are writing “sr_no”,”name”,”email”,”subject”,”message” )

STEP 2:

Create a simple HTML Form index.html with action ‘post.php’, Code given below

<form action="post.php" method="post">
   <h3 align="center">Contact Form</h3>
   <br />     
   <div class="form-group">
      <label>Enter Name</label>
      <input type="text" name="name" placeholder="Enter Name" class="form-control" value="" />
   </div>
   <div class="form-group">
      <label>Enter Email</label>
      <input type="text" name="email" class="form-control" placeholder="Enter Email" value="" />
   </div>
   <div class="form-group">
      <label>Enter Subject</label>
      <input type="text" name="subject" class="form-control" placeholder="Enter Subject" value="" />
   </div>
   <div class="form-group">
      <label>Enter Message</label>
      <textarea name="message" class="form-control" placeholder="Enter Message"></textarea>
   </div>
   <div class="form-group" align="center">
      <input type="submit" name="submit" class="btn btn-info" value="Submit" />
   </div>
</form>

STEP 3:

Create Action File ‘post.php‘, Code given below.

<?php
$error = "";
$name = "";
$email = "";
$subject = "";
$message = "";

function clean_text($string)
{
    $string = trim($string);
    $string = stripslashes($string);
    $string = htmlspecialchars($string);
    return $string;
}

if (isset($_POST["submit"])) {
    if (empty($_POST["name"])) {
        $error .=
            '<p><label class="text-danger">Please Enter your Name</label></p>';
    } else {
        $name = clean_text($_POST["name"]);
        if (!preg_match("/^[a-zA-Z ]*$/", $name)) {
            $error .=
                '<p><label class="text-danger">Only letters and white space allowed</label></p>';
        }
    }
    if (empty($_POST["email"])) {
        $error .=
            '<p><label class="text-danger">Please Enter your Email</label></p>';
    } else {
        $email = clean_text($_POST["email"]);
        if (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
            $error .=
                '<p><label class="text-danger">Invalid email format</label></p>';
        }
    }
    if (empty($_POST["subject"])) {
        $error .=
            '<p><label class="text-danger">Subject is required</label></p>';
    } else {
        $subject = clean_text($_POST["subject"]);
    }
    if (empty($_POST["message"])) {
        $error .=
            '<p><label class="text-danger">Message is required</label></p>';
    } else {
        $message = clean_text($_POST["message"]);
    }

    if ($error == "") {
        $file_open = fopen("contact_data.csv", "a");
        $no_rows = count(file("contact_data.csv"));
        if ($no_rows > 1) {
            $no_rows = $no_rows - 1 + 1;
        }
        $form_data = [
            "sr_no" => $no_rows,
            "name" => $name,
            "email" => $email,
            "subject" => $subject,
            "message" => $message,
        ];
        fputcsv($file_open, $form_data);
        $error =
            '<label class="text-success">Thank you for contacting us</label>';
        $name = "";
        $email = "";
        $subject = "";
        $message = "";
    }
}

echo $error;
?>

DOWNLOAD CODE

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