PHP tar inte emot något data från react.js fetch.

<?php
//header('Access-Control-Allow-Origin: *');
//header('Content-type: application/json');
include("connect.php");

$rest_json = file_get_contents("php://input");
$_POST = json_decode($rest_json, true);

$email = $_POST['email'];
$password = $_POST['password'];
$county = $_POST['county'];
//$date = date("Y-m-d");


if(!empty($email) || !empty($password) || !empty($county)) 
{
        http_response_code(200);
        $email = mysqli_real_escape_string($connect, $_POST['email']);
        $password =  mysqli_real_escape_string($connect, $_POST['password']);
        $county =  mysqli_real_escape_string($connect, $_POST['county']);
        //$date = date("Y-m-d");

        $sql = "
        INSERT INTO user ( email, county) VALUES ('$email', '$county');
        INSERT INTO password (userid, password) VALUES ((SELECT userid FROM user WHERE email= '$email'), '$password')";
   
        if($connect -> query($sql) === TRUE) {
                echo "New record created successfully";
                echo $sport;
        } else {
                echo "Error: " .$sql . "<br>" . $connect-> error;
        }
        
        mysqli_close($connect);
}else{
       echo 'saknas uppgifter';
}

?>

import React from 'react';
import {Redirect} from 'react-router-dom';
import { PostData } from './PostData';
import MySide from './MySide';
import './Login.css';

class Login extends React.Component {
    constructor() {
        super();
        this.state = {
            email: '',
            password: '',
            //redirectToReferrer:false
        };

        this.register = this.register.bind(this);
        this.registerSubmit = this.registerSubmit.bind(this);
        this.onChange = this.onChange.bind(this);
    }

    onChange(e) {
        this.setState({ 
            [e.target.name]:e.target.value
          })
    }

    register(e) {
        e.preventDefault();
        console.log('registrerad');
        this.setState({ 
            display: false
        })
    }

    addActiveClassregister(e) {
        this.setState({active: false});
    }
    
 
    registerSubmit(e) {
        e.preventDefault();
        console.log(this.state);
        const data = {
            email: this.refs.email.value,
            password: this.refs.password.value,
            county: this.refs.county.value
        }

        console.log(this.refs.email.value);
        console.log(this.refs.password.value);
        console.log(this.refs.county.value);
       
        console.log(data);

        fetch('http://localhost/test/src/api/register.php/', {
            method: 'POST',
            mode: 'no-cors',
            headers: {
                'Content-Type': 'application/json; charset=utf-8; text/html',
                'Access-Control-Allow-Origin': 'localhost:test',
            },
            body: JSON.stringify(data)
        })
        .then(resp => resp.text()) 
        .then(data => console.log(data))


        if( this.state.redirectToReferrer || sessionStorage.getItem('userData')){
            return(<Redirect to={'/mySide'}/>)
        }
    }

    render () {

        
        return(
          
                <div className="Register active">
                <h2>Registrera ny användare</h2>
                <form className="Register-form" onSubmit={this.registerSubmit}>
                    <input type="text" name="email" ref="email" placeholder="mailadress" onChange={this.onChange} />
                    <input type="password" name="password" ref="password" placeholder="lösenord" onChange={this.onChange} />
                    <input type="county" name="county" ref="county" placeholder="Län" onChange={this.onChange} />
                    <input type="submit" value="Registrera"/>
   
                    <button className="loginButton" onClick={this.login} onClick={this.addActiveClassRegister}> Logga in</button>
                </form>    
                </div>
            </div>
            </div>
        );
    }
}

export default Login;

 fetch('http://localhost/test/src/api/register.php/', {
            method: 'POST',
            mode: 'no-cors',
            headers: {
                'Content-Type': 'application/json; charset=utf-8; text/html',
                'Access-Control-Allow-Origin': 'localhost:test',
            },
            body: JSON.stringify(data)
        })
        .then(res => res.json())
        .then(response => console.log('Success:', JSON.stringify(response)))
        .catch(error => console.error('Error:', error));