<?php


// use x-www-form-urlencoded
// parameter 'x'
// value is the actual json
// extract from $_POST['x']
// json_decode() it
// access the obtained object

/*
{
	"hello" : "world",
	"we" : "are",
	"your" : {
		"first": "val1",
		"second": "val2",
		"third": "val3"
	},
	"mine" : [
		"a",
		"b",
		"c",
		"d"
	]
}
*/

// $obj->hello
// $obj->we
// $obj->your



// $obj = json_decode($_POST['x']);
// print_r($obj);
// print_r($obj->your);
// print($obj->your->first);
// print_r($obj->mine);

// http_response_code(400);
// echo json_encode($_POST);
// echo json_encode(array("error" => "No title given."));


	require_once 'processes/config.php';
	require_once 'processes/dbh.inc.php';
	
// 	$result = mysqli_num_rows(mysqli_query($connection, "select * from question where id = 3adsfasdf"));
	
// 	var_dump($_POST);
	
// 	echo "<br>";
	
	$result = mysqli_real_escape_string($connection, trim($_POST["id"]));
	
	// $_POST["id"] devuelve null si no está definido
	// trim() devuelve "" si el input es null / "" / false
	// mysqli_real_escape_string() devuelve "" si no el input es null / "" / false
	
// 	echo "This is result: $result<br>";
	
	if($result === "") {
// 		echo "Result is empty string";
	} else {
// 		echo "Result isn't empty string";
	}

?>