Angular $http post not working with a https url - php

Question

In my ionic app I have the following code:
$http({ url: "http://someurl/script.php",
method: "POST",
headers: {'Content-Type': 'application/x-www-form-urlencoded'},
data: $.param({param1:$localStorage.test.paramtest})
}).success(function(data) {
//console.log(data);
$scope.data = data;
}).error(function(data) {
//console.log("error:" + data);
alert("error:" + data);
})
.finally(function (data) {
//console.log("ok:" + data);
alert("ok:" + data);
});
The code above is working fine and I'm able to post en retrieve data from my database.
When I change the http:// url to a https:// url all of a sudden it is not working anymore. The error function gives me the error "error: null"
When I manually define the id in the php script and run de script with the https url in my browser it is also working.
This is mij script.php code:
<?php
//variables
$id = $_POST["param1"];
//$id = "12047";
// databse connection variables
$hostname = "...";
$username = "...";
$password = "...";
$database = "...";
// Create connection
$conn = new mysqli($hostname, $username, $password, $database);
// Check connection
if ($conn->connect_error) {
die("Connection failed: " . $conn->connect_error);
}
//echo "Connected successfully<br>";
// show all database entries
$sql = "SELECT * FROM table1 WHERE field1_id='$id'";
$result = $conn->query($sql);
if ($result->num_rows > 0) {
$rows = [];
while($row = $result->fetch_assoc()) {
// Add all rows to an array
$rows[] = $row;
}
// Json encode the full array
echo json_encode($rows);
} else {
//echo "0results";
}
$conn->close();
?>
I have setup my hosting to work with https and installed a SSL certificate on my server.

Answer 1

I found out that my hosting provider doesn't support SSL database connections in there hosting packages. It appears that this is only possible with dedicated servers.