PHP cross-domain header function (code example)

The previous article recorded PHP’s cross-domain solution: JSONP; https://www.php.cn/js-tutorial-441885.html

In addition to jsonp, it is still possible to set the response header through the header function to solve cross-domain problems:

Set the domain name allowed to be accessed:

1. Allow all Domain name access

header("Access-Control-Allow-Origin:*");

2. Allow specified domain name access

header( 'Access-Control-Allow-Origin:http://a.test.com' );

Set the request method to allow access:

1. One or more

header('Access-Control-Allow-Methods:POST,GET,OPTIONS,DELETE');

2. All

header('Access-Control-Allow-Methods:*');

Then set other parameters as needed...

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