🙁Create api php mysql (ok)

https://github.com/phamngoctuong/createapiphp

Part 1 Create Database && read

api_db.sql

-- phpMyAdmin SQL Dump
-- version 4.8.5
-- https://www.phpmyadmin.net/
--
-- Máy chủ: localhost
-- Thời gian đã tạo: Th4 21, 2019 lúc 03:49 PM
-- Phiên bản máy phục vụ: 10.1.38-MariaDB
-- Phiên bản PHP: 7.3.3
SET SQL_MODE = "NO_AUTO_VALUE_ON_ZERO";
SET AUTOCOMMIT = 0;
START TRANSACTION;
SET time_zone = "+00:00";
/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;
/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */;
/*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */;
/*!40101 SET NAMES utf8mb4 */;
--
-- Cơ sở dữ liệu: `api_db`
--
-- --------------------------------------------------------
--
-- Cấu trúc bảng cho bảng `categories`
--
CREATE TABLE `categories` (
  `id` int(11) NOT NULL,
  `name` varchar(256) NOT NULL,
  `description` text NOT NULL,
  `created` datetime NOT NULL,
  `modified` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP
) ENGINE=InnoDB DEFAULT CHARSET=utf8;
--
-- Đang đổ dữ liệu cho bảng `categories`
--
INSERT INTO `categories` (`id`, `name`, `description`, `created`, `modified`) VALUES
(1, 'Fashion', 'Category for anything related to fashion.', '2014-06-01 00:35:07', '2014-05-30 10:34:33'),
(2, 'Electronics', 'Gadgets, drones and more.', '2014-06-01 00:35:07', '2014-05-30 10:34:33'),
(3, 'Motors', 'Motor sports and more', '2014-06-01 00:35:07', '2014-05-30 10:34:54'),
(5, 'Movies', 'Movie products.', '0000-00-00 00:00:00', '2016-01-08 06:27:26'),
(6, 'Books', 'Kindle books, audio books and more.', '0000-00-00 00:00:00', '2016-01-08 06:27:47'),
(13, 'Sports', 'Drop into new winter gear.', '2016-01-09 02:24:24', '2016-01-08 18:24:24');
-- --------------------------------------------------------
--
-- Cấu trúc bảng cho bảng `products`
--
CREATE TABLE `products` (
  `id` int(11) NOT NULL,
  `name` varchar(32) NOT NULL,
  `description` text NOT NULL,
  `price` decimal(10,0) NOT NULL,
  `category_id` int(11) NOT NULL,
  `created` datetime NOT NULL,
  `modified` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP
) ENGINE=InnoDB DEFAULT CHARSET=latin1;
--
-- Đang đổ dữ liệu cho bảng `products`
--
INSERT INTO `products` (`id`, `name`, `description`, `price`, `category_id`, `created`, `modified`) VALUES
(1, 'Amazing Pillow 3.0', 'The best pillow for amazing programmers.', '255', 2, '2014-06-01 01:12:26', '2014-05-31 10:12:26'),
(2, 'Google Nexus 4', 'The most awesome phone of 2013!', '299', 2, '2014-06-01 01:12:26', '2014-05-31 10:12:26'),
(3, 'Samsung Galaxy S4', 'How about no?', '600', 3, '2014-06-01 01:12:26', '2014-05-31 10:12:26'),
(6, 'Bench Shirt', 'The best shirt!', '29', 1, '2014-06-01 01:12:26', '2014-05-30 19:12:21'),
(7, 'Lenovo Laptop', 'My business partner.', '399', 2, '2014-06-01 01:13:45', '2014-05-30 19:13:39'),
(8, 'Samsung Galaxy Tab 10.1', 'Good tablet.', '259', 2, '2014-06-01 01:14:13', '2014-05-30 19:14:08'),
(9, 'Spalding Watch', 'My sports watch.', '199', 1, '2014-06-01 01:18:36', '2014-05-30 19:18:31'),
(10, 'Sony Smart Watch', 'The coolest smart watch!', '300', 2, '2014-06-06 17:10:01', '2014-06-05 11:09:51'),
(11, 'Huawei Y300', 'For testing purposes.', '100', 2, '2014-06-06 17:11:04', '2014-06-05 11:10:54'),
(12, 'Abercrombie Lake Arnold Shirt', 'Perfect as gift!', '60', 1, '2014-06-06 17:12:21', '2014-06-05 11:12:11'),
(13, 'Abercrombie Allen Brook Shirt', 'Cool red shirt!', '70', 1, '2014-06-06 17:12:59', '2014-06-05 11:12:49'),
(26, 'Another product', 'Awesome product!', '555', 2, '2014-11-22 19:07:34', '2014-11-21 13:07:34'),
(28, 'Wallet', 'You can absolutely use this one!', '799', 6, '2014-12-04 21:12:03', '2014-12-03 15:12:03'),
(31, 'Amanda Waller Shirt', 'New awesome shirt!', '333', 1, '2014-12-13 00:52:54', '2014-12-11 18:52:54'),
(42, 'Nike Shoes for Men', 'Nike Shoes', '12999', 3, '2015-12-12 06:47:08', '2015-12-11 22:47:08'),
(48, 'Bristol Shoes', 'Awesome shoes.', '999', 5, '2016-01-08 06:36:37', '2016-01-07 22:36:37'),
(60, 'Rolex Watch', 'Luxury watch.', '25000', 1, '2016-01-11 15:46:02', '2016-01-11 07:46:02');
--
-- Chỉ mục cho các bảng đã đổ
--
--
-- Chỉ mục cho bảng `categories`
--
ALTER TABLE `categories`
  ADD PRIMARY KEY (`id`);
--
-- Chỉ mục cho bảng `products`
--
ALTER TABLE `products`
  ADD PRIMARY KEY (`id`);
--
-- AUTO_INCREMENT cho các bảng đã đổ
--
--
-- AUTO_INCREMENT cho bảng `categories`
--
ALTER TABLE `categories`
  MODIFY `id` int(11) NOT NULL AUTO_INCREMENT, AUTO_INCREMENT=14;
--
-- AUTO_INCREMENT cho bảng `products`
--
ALTER TABLE `products`
  MODIFY `id` int(11) NOT NULL AUTO_INCREMENT, AUTO_INCREMENT=61;
COMMIT;
/*!40101 SET CHARACTER_SET_CLIENT=@OLD_CHARACTER_SET_CLIENT */;
/*!40101 SET CHARACTER_SET_RESULTS=@OLD_CHARACTER_SET_RESULTS */;
/*!40101 SET COLLATION_CONNECTION=@OLD_COLLATION_CONNECTION */;

config\database.php

<?php
class Database
{
  public static $_instance;
  private $host = "localhost";
  private $username = "root";
  private $password = "";
  private $database = "api_db";
  public $conn;
  public function __construct()
  {
    try {
      $this->conn = new PDO(dsn: "mysql:host={$this->host};dbname={$this->database}", username: $this->username, password: $this->password);
    } catch (\Throwable $th) {
      throw $th;
    }
  }
  public static function getInstance(): Database
  {
    if (!(self::$_instance instanceof self)) {
      self::$_instance = new self();
    }
    return self::$_instance;
  }
}

objects\product.php

<?php
class Product {
  private $conn;
  private $table_name = "products";
  public $id;
  public $name;
  public $description;
  public $price;
  public $category_id;
  public $category_name;
  public $created;
  public function __construct($db)
  {
    $this->conn = $db;
  }
  function read()
  {
    // select all query
    $query = "SELECT c.name as category_name, p.id, p.name, p.description, p.price, p.category_id, p.created
	    FROM " . $this->table_name . " p LEFT JOIN categories c ON p.category_id = c.id ORDER BY p.created DESC";
    // prepare query statement
    $stmt = $this->conn->prepare($query);
    // execute query
    $stmt->execute();
    return $stmt;
  }
}

product\read.php

<?php
header("Content-Type: application/json;");
include_once '../config/database.php';
include_once '../objects/product.php';
$database = new Database();
$db = $database::getInstance();
$product = new Product($db->conn);
$stmt = $product->read();
$num = $stmt->rowCount();
var_dump(value: $num);

Update file

product\read.php

<?php
header("Content-Type: application/json;");
include_once '../config/database.php';
include_once '../objects/product.php';
$database = new Database();
$db = $database::getInstance();
$product = new Product($db->conn);
$stmt = $product->read();
$num = $stmt->rowCount();
// check if more than 0 record found
if ($num > 0) {
  // products array
  $products_arr = array();
  $products_arr["records"] = array();
  // retrieve our table contents
  // fetch() is faster than fetchAll()
  // http://stackoverflow.com/questions/2770630/pdofetchall-vs-pdofetch-in-a-loop
  while ($row = $stmt->fetch(PDO::FETCH_ASSOC)) {
    // extract row
    // this will make $row['name'] to
    // just $name only
    extract($row);
    $product_item = array(
      "id" => $id,
      "name" => $name,
      "description" => html_entity_decode($description),
      "price" => $price,
      "category_id" => $category_id,
      "category_name" => $category_name
    );
    array_push($products_arr["records"], $product_item);
  }
  // set response code - 200 OK
  http_response_code(200);
  // show products data in json format
  echo json_encode($products_arr);
} else {
  // set response code - 404 Not found
  http_response_code(404);
  // tell the user no products found
  echo json_encode(
    array("message" => "No products found.")
  );
}
6KB
wp1.zip
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