不求人，自己也能拿10K！PHP开发技能成为你的竞争力

<?php
$name = "John";
$age = 25;
echo "My name is " . $name . " and I am " . $age . " years old.";
?>

<?php
class Person {
  private $name;
  private $age;
  
  public function __construct($name, $age) {
    $this->name = $name;
    $this->age = $age;
  }
  
  public function getInfo() {
    return "My name is " . $this->name . " and I am " . $this->age . " years old.";
  }
}

$person = new Person("John", 25);
echo $person->getInfo();
?>

// 安装Laravel
composer global require laravel/installer

// 创建一个新的Laravel项目
laravel new myproject

// 创建一个控制器
php artisan make:controller MyController

// 定义路由和控制器方法
Route::get('/hello', 'MyController@hello');

// 在控制器中实现方法
public function hello() {
  return "Hello, Laravel!";
}

<?php
$servername = "localhost";
$username = "root";
$password = "password";
$dbname = "mydb";

// 创建连接
$conn = mysqli_connect($servername, $username, $password, $dbname);

// 检查连接是否成功
if (!$conn) {
  die("Connection failed: " . mysqli_connect_error());
}

// 查询数据
$sql = "SELECT * FROM users";
$result = mysqli_query($conn, $sql);

// 输出查询结果
if (mysqli_num_rows($result) > 0) {
  while($row = mysqli_fetch_assoc($result)) {
    echo "Name: " . $row["name"]. " - Email: " . $row["email"]. "<br>";
  }
} else {
  echo "No results found";
}

// 关闭连接
mysqli_close($conn);
?>