PSR2和PSR4规范在Symfony框架中的应用实践

class ExampleClass
{
    public function exampleMethod()
    {
        if (true) {
            // do something
        } else {
            // do something else
        }
    }

    public function anotherExampleMethod()
    {
        for ($i = 0; $i < 10; $i++) {
            // do something in the loop
        }
    }
}

class ExampleClass
{
    public function exampleMethod()
    {
        // do something
    }

    public function anotherExampleMethod()
    {
        // do something else
    }
}

class ExampleClass
{
    public function exampleMethod()
    {
        $result = $this->addNumbers(4, 5);
        $this->doSomething($result);
    }

    public function addNumbers($a, $b)
    {
        return $a + $b;
    }

    public function doSomething($result)
    {
        // do something with the result
    }
}

// 文件路径：src/Example/Namespace/ExampleClass.php
namespace ExampleNamespace;

class ExampleClass
{
    // class code here
}

// composer.json
{
    "autoload": {
        "psr-4": {
            "Example\Namespace\": "src/Example/Namespace"
        }
    }
}

src/
    Example/
        Namespace/
            ExampleClass.php

$ composer update

require_once __DIR__ . '/vendor/autoload.php';