Run some app from terminal (Open Cart, Wp etc.)

cli-index.php

<?php

class ServerRequest
{
	private $request;

	public function __construct($server)
	{
		$this->request = $server;
	}

	public function getContentType()
	{
		$types = [
			"js" => "application/javascript",
			"css" => "text/css",
			"png" => "image/png",
			"jpg" => "image/jpg",
		];

		foreach($types as $key => $type)
		{
			if(strpos($this->request["REQUEST_URI"], ".".$key) !== false){
				return $type;
			}
		}
	}

	public function getUri()
	{
		return $this->request["REQUEST_URI"];
	}
}

$serverRequest = new ServerRequest($_SERVER);
if(!$contentType = $serverRequest->getContentType()){
	$contentType = "text/html";
}
$uri = $serverRequest->getUri();

header('Content-Type: '.$contentType);
if($uri != "/" && is_file(__DIR__.$uri)){
	$fileName = __DIR__.$uri;
} else {
	$fileName = __DIR__."/index.php";
}

include_once($fileName);