FirstPHP/form-checkbox-bool.php at main · BaseMax/FirstPHP · GitHub

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<?php
if (count($_POST) > 0) {
	print_r($_POST);
	// exit();

	$vehicle1 = false;
	$vehicle2 = false;
	$vehicle3 = false;
	if (isset($_POST["vehicle1"])) $vehicle1 = true;
	if (isset($_POST["vehicle2"])) $vehicle2 = true;
	if (isset($_POST["vehicle3"])) $vehicle3 = true;

	var_dump($vehicle1);
	var_dump($vehicle2);
	var_dump($vehicle3);

	if ($vehicle1 === true && $vehicle2 === true && $vehicle3 === true) {
		print "bike, car, boat";
	}
	else if ($vehicle1 === true && $vehicle2 === false && $vehicle3 === true) {
		print "bike, boat";
	}
	else if ($vehicle1 === true && $vehicle2 === true && $vehicle3 === false) {
		print "bike, car";
	}
	else if ($vehicle1 === false && $vehicle2 === false && $vehicle3 === false) {
		print "none";
	}
	else if ($vehicle1 === false && $vehicle2 === true && $vehicle3 === false) {
		print "car";
	}
	else if ($vehicle1 === false && $vehicle2 === false && $vehicle3 === true) {
		print "boat";
	}
	else if ($vehicle1 === false && $vehicle2 === true && $vehicle3 === true) {
		print "car, boat";
	}

	exit();
}
?>
<form action="" method="POST">
	<label>Name:</label>
	<input type="text" name="name" required="">
	<br>

	<input type="checkbox" id="vehicle1" name="vehicle1" value="">
	<label for="vehicle1"> I have a bike</label><br>

	<input type="checkbox" id="vehicle2" name="vehicle2" value="">
	<label for="vehicle2"> I have a car</label><br>

	<input type="checkbox" id="vehicle3" name="vehicle3" value="">
	<label for="vehicle3"> I have a boat</label><br><br>

	<input type="submit" name="submit" value="Send">
	<!-- <button name="submit">Send</button> -->
</form>