%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
/**
* This file is part of the Nette Framework (http://nette.org)
*
* Copyright (c) 2004 David Grudl (http://davidgrudl.com)
*
* For the full copyright and license information, please view
* the file license.txt that was distributed with this source code.
*/
namespace Nette\Config;
use Nette;
/**
* Configuration helpers.
*
* @author David Grudl
*/
class Helpers
{
const EXTENDS_KEY = '_extends',
OVERWRITE = TRUE;
/**
* Merges configurations. Left has higher priority than right one.
* @return array
*/
public static function merge($left, $right)
{
if (is_array($left) && is_array($right)) {
foreach ($left as $key => $val) {
if (is_int($key)) {
$right[] = $val;
} else {
if (is_array($val) && isset($val[self::EXTENDS_KEY])) {
if ($val[self::EXTENDS_KEY] === self::OVERWRITE) {
unset($val[self::EXTENDS_KEY]);
}
} elseif (isset($right[$key])) {
$val = static::merge($val, $right[$key]);
}
$right[$key] = $val;
}
}
return $right;
} elseif ($left === NULL && is_array($right)) {
return $right;
} else {
return $left;
}
}
/**
* Finds out and removes information about the parent.
* @return mixed
*/
public static function takeParent(& $data)
{
if (is_array($data) && isset($data[self::EXTENDS_KEY])) {
$parent = $data[self::EXTENDS_KEY];
unset($data[self::EXTENDS_KEY]);
return $parent;
}
}
/**
* @return bool
*/
public static function isOverwriting(& $data)
{
return is_array($data) && isset($data[self::EXTENDS_KEY]) && $data[self::EXTENDS_KEY] === self::OVERWRITE;
}
/**
* @return bool
*/
public static function isInheriting(& $data)
{
return is_array($data) && isset($data[self::EXTENDS_KEY]) && $data[self::EXTENDS_KEY] !== self::OVERWRITE;
}
}
Zerion Mini Shell 1.0