brief switch in laravel

DemoClass.php

<?php 

// Hi, I am Charles<[email protected]>
// let's go...

namespace App;

use Exception;

class DemoClass
{
	function demo1($do="")
	{
		// 以前的做法
		$str = "result: ";
		switch ($do) {
			case 'commit':
				$str .= "you seletor [commit] to do something...";
				break;

			case 'execute':
				$str .= "you seletor [execute] to do something...";
				break;
			
			default:
				$str .= "you seletor nothing...";
				break;
		}
		return $str;
	}

	function demo2($do="")
	{
		// 但你可以這麼做，程式看起來會更漂亮
		$str = "result: ";
		return $str.array_get([
			'commit' => 'you selector [commit] to do something...',
			'execute' => 'you selector [execute] to do something...',
		], $do, 'you seletor nothing...');
	}
}

index.php

<?php

use App\DemoClass;

// --- demo1 ---
echo (new DemoClass)->demo1('execute'); // output -- result: you selector [execute] to do something...

// --- demo2 ---
echo (new DemoClass)->demo2('execute'); // output -- result: you selector [execute] to do something...