receive use cors

index.php

<?php

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

$output = [
    'input' => null,
    'post' => null,
    'get' => null,
];

$input = file_get_contents('php://input');
if ($input) {
    $output['input'] = json_decode($input);
}

$post = $_POST;
if ($post) {
    $output['post'] = $post;
}

$get = $_GET;
if ($get) {
    $output['get'] = $get;
}

var_dump($output);