PHP Firebase crud api

Real-time data management and transactions are the latest mode of communication these days. People need quick data flow while using mobile and web applications. There are alot of services available on internet for creating real-time databases and communication systems.

dbcon.php

<?php

require __DIR__.'/vendor/autoload.php';
use Kreait\Firebase\Factory;
use Kreait\Firebase\Auth;

$factory = (new Factory)
->withServiceAccount('php-firebase-oauth-firebase-adminsdk-sc65a-18f71c3027.json')
->withDatabaseUri('https://php-firebase-oauth-default-rtdb.firebaseio.com/');

$database = $factory->createDatabase();
$auth = $factory->createAuth();

?>

index.php

<?php 

header("Content-Type: application/json");
header("Acess-Control-Allow-Origin: *");  // other website is not access this api, if is line is not given

require 'dbcon.php';
$reference = $database->getReference('contacts');
$fetchdata = $reference->getValue();

$i = 0;
if($fetchdata > 0){
    echo json_encode([
    'status' => 200,
        'data' => $fetchdata,
    ]);
} 
else{
  echo json_encode([
     'status' => 203,
     'data' => "No Data Fount",
    ]);
}

?>

url for GET api

http://localhost/firebase/auth/index.php

index.php

<?php

header("Content-Type: application/json");
header("Acess-Control-Allow-Origin: *");
header("Access-Control-Allow-Methods: POST");
header("Access-Control-Allow-Headers: Access-Control-Allow-Headers, Content-Type, Access-Control-Allow-Methods, Authorization");

require 'dbcon.php';
$data = json_decode(file_get_contents("php://input"), true);

$name = $data['name'];
$email = $data['email'];
$phone = $data['phone'];

$postData = [
'name' => $name,
'email' => $email,
'phone' => $phone
];

$postRef = $database->getReference('contacts')->push($postData);

if ($postRef) {
echo "Data Saved Successfully !";
}
else{
echo "Failled !";
}

?>

api with data

http://localhost/firebase/auth/index.php

Headers
Content-Type : application/json

raw data:

{  
"name":"Bina Darling 2",
"email": "bina2@gmail.com",
"phone": "1234567820"
}