XML error at ampersand (&)

Question

I have a php file which prints an xml based on a MySql db.

I get an error every time at exactly the point where there is an & sign.

Here

Answer 1

public function sanitize(string $data) {
    return str_replace('&', '&', $data);
}

You are right: here is more context - the example is in relation to the ' how to deal with data containing '&' when we pass this data to SimpleXml. Of course there is also other solution to use