ApiExample

volley library usage

config.php

$servername = "localhost";
$username = "root";
$password = "";
$dbname = "students";

// Create connection
$conn = mysqli_connect($servername, $username, $password, $dbname);
// Check connection
if (!$conn) {
	die("Connection failed: " . mysqli_connect_error());
}

PHP code for API's is given below

require_once("config.php");

$response = array();
if(isset($_REQUEST['action'])){
	if($_REQUEST['action'] == "register"){
		if(isset($_REQUEST['name']) && isset($_REQUEST['email']) && isset($_REQUEST['password'])){
			$name = $_REQUEST['name'];
			$email = $_REQUEST['email'];
			$password = $_REQUEST['password'];
			
			$query = "INSERT INTO `students`(`name`,`email`,`password`) 
								VALUES('$name','$email','$password')";
			$result = mysqli_query($conn,$query);
			if($result){
				$response['error'] = false;
				$response['message'] = "Successfully insert";
			}else{
				$response['error'] = true;
				$response['error_msg'] = "something went wrong";
			}
		}else{
			$response['error'] = true;
			$response['error_msg'] = "required parameters(email,name,password) missing";
		}
	}else if($_REQUEST['action'] == "login"){
		if(isset($_REQUEST['email']) && isset($_REQUEST['password'])){
			$email = $_REQUEST['email'];
			$password = $_REQUEST['password'];
			
			$query = "SELECT `id`,`name`,`email` FROM `students` WHERE `email` = '$email' AND `password` = '$password'";
			$result = mysqli_query($conn,$query);
			
			if(mysqli_num_rows($result) > 0){
				$response['error'] = false;
				$response['student_rec'] = mysqli_fetch_assoc($result);
				//$response['message'] = "Success";
				
			}else{
				$response['error'] = true;
				$response['error_msg'] = "email and password incorrect";
			}
			
		}else{
			$response['error'] = true;
			$response['error_msg'] = "required parameters(email,password) missing";
		}
	}else{
		$response['error'] = true;
		$response['error_msg'] = "action paramter value invalid";
	}
}else{
	$response['error'] = true;
	$response['error_msg'] = "action parameter missing";
}
echo json_encode($response);