Rizaaal/index.php

## index.php
<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>form</title>
</head>
<body>

  <form action="<?php echo htmlspecialchars($_SERVER["PHP_SELF"]);?>" method="POST">
    <h1>Fill the form below</h1>
    <p>Complete the blow form to get instant access.</p>
    <input type="text" name="Company_name" placeholder="Company name">
    <input type="text" name="full_name" placeholder="Full name">
    <input type="text" name="email" placeholder="Email">
    <input type="text" name="phone" placeholder="Phone">
    <select name="service">
      <option value="none">Choose service...</option>
      <option value="delivery">delivery</option>
      <option value="pick up">pick up</option>
      <option value="digital delivery">digital delivery</option>
    </select>
    <input type="submit" value="Send request">
  </form>

<?php
  if ($_SERVER["REQUEST_METHOD"] === "POST"){
    $passed = true;

    if($_POST["Company_name"] === "") {
      echo "company name required" . "<br>";
      $passed = false;
    }
    if($_POST["full_name"] === "") {
      echo "full name required" . "<br>";
      $passed = false;
    }
    if($_POST["email"] === "") {
      echo "email required" . "<br>";
      $passed = false;
    }
    if($_POST["phone"] === "") {
      echo "phone required" . "<br>";
      $passed = false;
    }
    if($_POST["service"] === "none") {
      echo "please select a service <br>";
      $passed = false;
    }

    //validazione numero telefono
    if ($_POST["phone"] !== "" && !preg_match("/^\+?[\d\s()-]*[\d]{3}[-\.\s()]*[\d]{3}[-\.\s()]*[\d]{4}$/", $_POST["phone"])) {
      echo "write a valid phone number. the following formats are available: <br>
      * ###-###-#### <br>
      * (###) ###-#### <br>
      * ###.###.#### <br>
      * ### ### #### <br>
      * +-###-###-#### <br>
      * +(###) ###-#### <br>
      * +###.###.#### <br>
      * +### ### #### <br>";
      $passed = false;
    }

    //validazione mail
    if ($_POST["email"] !== "" && !filter_var($_POST["email"], FILTER_VALIDATE_EMAIL)) {
      echo "Invalid email format <br>";
      $passed = false;
    }

  };
?>

<script>
  if (<?php echo $passed ?>){
    document.body.innerHTML = "form sent successfully!";
  }
</script>

</body>
</html>
	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset="UTF-8">
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	<title>form</title>
	</head>
	<body>

	<form action="<?php echo htmlspecialchars($_SERVER["PHP_SELF"]);?>" method="POST">
	<h1>Fill the form below</h1>
	<p>Complete the blow form to get instant access.</p>
	<input type="text" name="Company_name" placeholder="Company name">
	<input type="text" name="full_name" placeholder="Full name">
	<input type="text" name="email" placeholder="Email">
	<input type="text" name="phone" placeholder="Phone">
	<select name="service">
	<option value="none">Choose service...</option>
	<option value="delivery">delivery</option>
	<option value="pick up">pick up</option>
	<option value="digital delivery">digital delivery</option>
	</select>
	<input type="submit" value="Send request">
	</form>

	<?php
	if ($_SERVER["REQUEST_METHOD"] === "POST"){
	$passed = true;

	if($_POST["Company_name"] === "") {
	echo "company name required" . "<br>";
	$passed = false;
	}
	if($_POST["full_name"] === "") {
	echo "full name required" . "<br>";
	$passed = false;
	}
	if($_POST["email"] === "") {
	echo "email required" . "<br>";
	$passed = false;
	}
	if($_POST["phone"] === "") {
	echo "phone required" . "<br>";
	$passed = false;
	}
	if($_POST["service"] === "none") {
	echo "please select a service <br>";
	$passed = false;
	}

	//validazione numero telefono
	if ($_POST["phone"] !== "" && !preg_match("/^\+?[\d\s()-][\d]{3}[-\.\s()][\d]{3}[-\.\s()]*[\d]{4}$/", $_POST["phone"])) {
	echo "write a valid phone number. the following formats are available: <br>
	* ###-###-#### <br>
	* (###) ###-#### <br>
	* ###.###.#### <br>
	* ### ### #### <br>
	* +-###-###-#### <br>
	* +(###) ###-#### <br>
	* +###.###.#### <br>
	* +### ### #### <br>";
	$passed = false;
	}

	//validazione mail
	if ($_POST["email"] !== "" && !filter_var($_POST["email"], FILTER_VALIDATE_EMAIL)) {
	echo "Invalid email format <br>";
	$passed = false;
	}

	};
	?>

	<script>
	if (<?php echo $passed ?>){
	document.body.innerHTML = "form sent successfully!";
	}
	</script>

	</body>
	</html>