PROFILO PHP

<?php

		include('db_con.php');
		if (isset($_SESSION['username']))
			{$username = isset($_SESSION['username']) ? $_SESSION["username"] : "";	header('Location: main.php?step=profile.php');}
			/*-
		else
		{
			header('Location: main.php?step=sign_up.php');
		}
		-*/

?>




PROFILO HTML
	<!-- INIZO PHP -->
	<?php
		include('navbar.php');
	?>
			<div class="clearfix card mb-3 cover" >
				<div class="clearfix filter">
					<div class="clearfix scrivere" >
			 			<div class="clearfix card-body" >
			 				<!--<div onclick="document.getElementById('file').click(); return false;" id="files" title="Sfondo Profilo">
			 					<img id="image" title="Sfondo Profilo" style="
																			position: center center;
																			position: relative;
																			display: table;
																		  	display: table-cell;
																			vertical-align: middle;
																			text-align: center;
																			z-index: 1;
																			background:#bf4040;
																			width: 100%;
																			height:100%;
																			position: relative;
																			z-index: 0;
																			opacity: 0.7;">
			 				</div>
			 				<input id="file" class="clearfix" type="file" name="file" onchange="showImage.call(this)" style="visibility: hidden;">-->
			   			</div>
					</div>
			    </div>
			</div>
			<br>
			<center class="phpfor"><?php echo $_SESSION['username']; ?></center><br>
			<center>
				<div id="Img" class="imagy" onclick="document.getElementById('file').click(); return false;" class="clearfix btnr" id="files" title="Immagine Profilo">
						<img src="" class="put"  id="image">
				</div>
			</center>
				<input id="file" class="clearfix" type="file" name="file" onchange="showImage.call(this)" style="visibility: hidden;">



			<div class="footer  "></div>
			<script>
						function showImage(){
							 if (this.files && this.files[0]) {
							 	var obj= new FileReader();
							 	obj.onload = function(data){
							 		var image= document.getElementById("image")
							 		image.src=data.target.result;
							 		image.style.display="block";

							 	}
							 	obj.readAsDataURL(this.files[0]);


							 }
						}
					</script>




ACCESSO PHP
	<?php

		include('db_con.php');
		if (isset($_POST['login']))
		{
			$email = isset($_POST['email']) ? $_POST["email"] : "";
 			$password = isset($_POST['password']) ? $_POST["password"] : "";
			if(empty($email) || empty($password))
			{
				header("Location: main.php?step=log_in.php&campiok=4");
			}
			elseif (strlen($password) < 6)
			{
				header("Location: main.php?step=log_in.php&campiok=5");
			}
			else
			{
				$q = $db->prepare("
						SELECT
							*
						FROM
							users
						WHERE
							email = :email
				");
				$q->execute([
						":email" => $email,
				]);

				if(($row = $q->fetch(PDO::FETCH_ASSOC))&& password_verify($password, $row["password"]))
				{
						$_SESSION["username"] = $row["username"];
						$_SESSION["email"] = $email;
						header("Location: main.php?step=profile.php");
						exit();
				}
				else
				{
					header("Location: main.php?step=log_in.php&campiok=6");
				}
			}
		}
		else
		{
			header("Location: main.php?step=log_in.php");
		}
	?>


ELIMINAZIONE PHP
	<?php

		include('db_con.php');
		if (isset($_SESSION['username']) && isset($_POST['delete']))
		{

			$username = isset($_SESSION['username']) ? $_SESSION["username"] : "";

			if (empty($_SESSION['username']))
			{
				header('Location: main.php?step=log_in.php');
			}
			else{
				$q = $db->prepare("
					SELECT
						*
					FROM
						users
					WHERE
						username = :username
				");
				$q->execute([
					":username" => $username,
				]);


				if(($row = $q->fetch(PDO::FETCH_ASSOC))) {

					$q = $db->prepare("
					DELETE FROM users WHERE username=:username
				");
				$q->execute([

					":username" => $username

				]); }
			}
		}

		else{ header('Location: main.php?step=delete.php'); }

	/*-
		include('db_con.php');
		$q = $db->prepare("
					DELETE FROM users WHERE username=:username
				");
		if ($q->execute([":username" => $username]))
		{
			session_destroy() && header('Location: main.php?step=sign_up.php');
		}
		else
		{
			echo "Errore nella query: " . $q->errorInfo();
		}
	-*/

?>

ELIMINAZIONE HTML
<?php  include('navbar.php');
		?>
			<div class="clearfix card mb-3 cover">
				<div class="clearfix filter">
					<div class="clearfix scrivere">
			 			<div class="clearfix card-body copy">
			   				 <div class="clearfix card-title scrivere logo font-weight-bold"><br></div>
			   			</div>
					</div>
			  </div>
			</div>
			<center>

				<!--PROBLEMA IN ACTION-->

				<form class="clearfix single form-control" action="" method="POST">
					<center class="phpfor"><?php echo $_SESSION['username']; ?></center><br>
					<p id="emailHelp" class="clearfix form-text text error text-center">Vuoi procedere?</p>
				  	<div class="clearfix form-group">
				    <div class="clearfix col-sm-10">
				      <a href="javascript:history.back();" class="clearfix btn clearfix">Annulla</a>
				    </div>
				  	</div>
				  	<div class="clearfix form-group">
				    <div class="clearfix col-sm-10">
				      <button type="submit" class="clearfix btn clearfix" name="delete">Elimina</button>
				    </div>
				  	</div>
				</form>
			</center>
			<div class="footer  "></div>