before submit the form text filed will be editable after submit the form it will be non-editable?
<div class="container">
<form method="POST" name="requests" id="signup">
<input type="text" id="txtTitle" name="txtTitle" placeholder="Enter Your Description" required="" value="<?php if (isset($_POST['txtTitle'])) { echo $_POST['txtTitle'];}?>" >
<button type="submit" value='Submit' class="sendButton" name="submit" id='submitme'>Submit</button>
</form>
</div>