manage_comment.php

<?php include 'db_connect.php' ?>
<?php
if(isset($_GET['id'])){
	$qry = $conn->query("SELECT * FROM comments where id = ".$_GET['id'])->fetch_array();
foreach($qry as $k => $v){
	$$k = $v;
}
}
?>
<div class="container-fluid">
	<form action="" id="update-comment">
		<input type="hidden" name="id" value="<?php echo isset($id) ? $id : '' ?>">
		<div class="form-group">
			<label for="" class="control-label">Comment</label>
			<textarea name="comment" id="" cols="30" rows="4" class="form-control summernote2"><?php echo isset($comment)? $comment: '' ?></textarea>
		</div>
	</form>
</div>
<script>
	
	$(function () {
	$('#update-comment').submit(function(e){
		e.preventDefault()
		start_load()
		// $('#msg').html('')
		$.ajax({
			url:'ajax.php?action=save_comment',
			data: new FormData($(this)[0]),
		    cache: false,
		    contentType: false,
		    processData: false,
		    method: 'POST',
		    type: 'POST',
			success:function(resp){
				if(resp == 1){
					alert_toast('Data successfully saved.',"success");
					setTimeout(function(){
						location.reload()
					},1500)
				}
			}
		})
	})
    $('.summernote2').summernote({
        height: 150,
        toolbar: [
            [ 'style', [ 'style' ] ],
            [ 'font', [ 'bold', 'italic', 'strikethrough', 'superscript', 'subscript', 'clear'] ],
            [ 'fontsize', [ 'fontsize' ] ],
            [ 'para', [ 'ol', 'ul', 'paragraph', 'height' ] ],
            [ 'view', [ 'undo', 'redo'] ]
        ]
    })

  })
</script>