Source of file config.php

<?php

date_default_timezone_set('UTC');

mb_internal_encoding("UTF-8");

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

spl_autoload_register(function($class){

	$classes = explode("\\", $class);

	$class = end($classes);

	if(file_exists(__DIR__ . '/' . $class . ".php")){

		require_once __DIR__ . '/' . $class . '.php';

	}

	else if(file_exists(__DIR__ . '/classes/' . $class . ".php")){

		require_once __DIR__ . '/classes/' . $class . '.php';

	}

	else if(file_exists(__DIR__ . '/classes/DB/' . $class . ".php")){

		require_once __DIR__ . '/classes/DB/' . $class . '.php';

	}

	else if(file_exists(__DIR__ . '/SupportedSites/' . $class . ".php")){

		require_once __DIR__ . '/SupportedSites/' . $class . '.php';

	}

	else if(file_exists(__DIR__ . '/Feeds/' . $class . ".php")){

		require_once __DIR__ . '/Feeds/' . $class . '.php';

	}

});

$configFile = __DIR__ . '/config.yml';

$configFile2 = __DIR__ . '/../config.yml';

if(!file_exists($configFile)){

	if(file_exists($configFile2)){

		$configFile = $configFile2;

	}

	else{

		die("Unable to load config.yml. Please check that the config file is located in the right place.");

	}

}

define("CONFIG_FILE", $configFile);

function ymlOrEnvParse($configFile, $environmentVariablePrefix = "AD_"){

	$yaml = new Symfony\Component\Yaml\Parser();

	$ymlConfig = $yaml->parse(file_get_contents($configFile));

	$configVariableNames = [

		"API_KEYS_GOOGLE" => ["name" => "api-keys_google", "type" => "string"],

		"DOWNLOAD_DIRECTORY" => ["name" => "download-directory", "type" => "string"],

		"FORCE_HTTPS" => ["name" => "force-https", "type" => "boolean"],

		"EMAIL_FROM" => ["name" => "email_from", "type" => "string"],

		"EMAIL_ENABLED" => ["name" => "email_enabled", "type" => "boolean"],

		"DATABASE_DRIVER" => ["name" => "database_driver", "type" => "string"],

		"DATABASE_ALWAYS_CHECK" => ["name" => "database_always-check", "type" => "boolean"],

		"DATABASE_CONNECTION_STRING" => ["name" => "database_connection-string", "type" => "string"],

		"DATABASE_USER" => ["name" => "database_user", "type" => "string"],

		"DATABASE_PASSWORD" => ["name" => "database_password", "type" => "string"],

		"DATABASE_DATABASE_NAME" => ["name" => "database_database-name", "type" => "string"],

		"SUPPORTED_SITES_CRTV" => ["name" => "supported-sites_crtv", "type" => "string"]

	];

	foreach($configVariableNames as $k => $v){

		$k = $environmentVariablePrefix . $k;

		$kk = explode("_", $v["name"]);

		$e = getenv($k);

		if($e !== false){

			if($v["type"] == "boolean"){

				$e = mb_strtolower($e) == "true";

			}

			$ymlConfig = \AudioDidact\GlobalFunctions::deepSetDictionaryValues($ymlConfig, $kk, $e);

		}

	}

	return $ymlConfig;

}

$ymlConfig = ymlOrEnvParse($configFile);

define("FORCE_HTTPS", $ymlConfig["force-https"]);

define("SESSION_COOKIE_SECURE", \AudioDidact\GlobalFunctions::is_ssl());

define("GOOGLE_API_KEY", $ymlConfig["api-keys"]["google"]);

define("DOWNLOAD_PATH", $ymlConfig["download-directory"]);

define("EMAIL_FROM", $ymlConfig["email"]["from"]);

define("EMAIL_ENABLED", $ymlConfig["email"]["enabled"]);

define("SUPPORTED_SITES_CRTV", $ymlConfig["supported-sites"]["crtv"]);

// Figure out what subdirectory we are in

function getRootSubdirectory(){

	$path = explode("/", $_SERVER["PHP_SELF"]);

	array_pop($path); // Remove PHP file from path

	array_shift($path); // Removing beginning slash

	$subdir =  implode("/", $path);

	// If we're in a subdirectory, end with a trailing slash

	if(!empty($subdir)){

		$subdir .= "/";

	}

	return $subdir;

}

define("SUBDIR", getRootSubdirectory());

// Fix for commandline running

if(php_sapi_name() === "cli"){

	if(!isset($_SERVER["HTTP_HOST"])){

		$_SERVER["HTTP_HOST"] = "localhost";

	}

	if(!isset($_SERVER["REQUEST_URI"])){

		$_SERVER["REQUEST_URI"] = "";

	}

	if(!isset($_SERVER["HTTPS"])){

		$_SERVER["HTTPS"] = "on";

	}

}

// Use the subdir to set the full LOCAL_URL

function getLocalURL($subdir){

	$protocol = \AudioDidact\GlobalFunctions::is_ssl() ? "https://" : "http://";

	$localURL = $protocol . $_SERVER["HTTP_HOST"] . "/" . $subdir;

	// Always end with a trailing slash

	if(mb_substr($localURL, -1, 1) != "/"){

		$localURL .= "/";

	}

	return $localURL;

}

define("LOCAL_URL", getLocalURL(SUBDIR));

$dbData = $ymlConfig["database"];

switch(strtolower($dbData["driver"])){

	case("mysql"):

		define("CHOSEN_DAL", "\\AudioDidact\\DB\\MySQLDAL");

		define("DB_USER", $dbData["user"]);

		define("DB_PASSWORD", $dbData["password"]);

		define("PDO_STR", $dbData["connection-string"]);

		break;

	case("sqlite"):

		define("CHOSEN_DAL", "\\AudioDidact\\DB\\SQLite");

		define("PDO_STR", $dbData["connection-string"]);

		break;

	case("mongodb"):

		define("CHOSEN_DAL", "\\AudioDidact\\DB\\MongoDBDAL");

		define("DB_DATABASE", $dbData["database-name"]);

		define("PDO_STR", $dbData["connection-string"]);

		break;

	default:

		throw new \Exception("Unknown database driver!");

}

//

//

// Do not manually modify below this line

//

//

/** Defines if a database validation is necessary */

if(!empty($ymlConfig["database"]["always-check"])){

	define("CHECK_REQUIRED", $ymlConfig["database"]["always-check"]);

}

else{

	define("CHECK_REQUIRED", false);

}