WP API

wp_api.php

 public function wp_connection()
    {
        $curl = curl_init();

        curl_setopt_array($curl, 
            [
                CURLOPT_URL => "https://www.host.com/wp-json/acf/v3/product",
                CURLOPT_RETURNTRANSFER => true,
                CURLOPT_ENCODING => "",
                CURLOPT_MAXREDIRS => 10,
                CURLOPT_TIMEOUT => 30,
                CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
                CURLOPT_HTTPAUTH => CURLAUTH_BASIC,
                CURLOPT_USERPWD => "$username:$password",
                CURLOPT_CUSTOMREQUEST => "GET",
                CURLOPT_HTTPHEADER => 
                [
                        "Accept: */*",
                        "Accept-Encoding: gzip, deflate",
                        "Cache-Control: no-cache",
                        "Connection: keep-alive",
                        "Content-Type: application/json",
                        "Host: www.host.com",
                ]
            ]
        );

        $response = curl_exec($curl);
        $err = curl_error($curl);

        curl_close($curl);

        if ($err) {
          echo "cURL Error #:" . $err;
        } else {
           print_r($response);
        }
    }