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Factory.php
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Factory.php
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<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_Config
* @copyright Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\Config;
use Zend\Stdlib\ArrayUtils;
/**
* Declared abstract to prevent instantiation
*
* @category Zend
* @package Zend_Config
* @copyright Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
abstract class Factory
{
/**
* Readers used for config files.
*
* @var array
*/
protected static $readers = array(
'ini' => 'Ini',
'xml' => 'Xml'
);
/**
* Read a config from a file.
*
* @param string $filename
* @param boolean $returnConfigObject
* @return array|Config
*/
public static function fromFile($filename, $returnConfigObject = false)
{
$pathinfo = pathinfo($filename);
if (!isset($pathinfo['extension'])) {
throw new Exception\RuntimeException(sprintf(
'Filename "%s" is missing an extension and cannot be auto-detected',
$filename
));
}
$extension = strtolower($pathinfo['extension']);
if ($extension === 'php') {
if (!is_file($filename) || !is_readable($filename)) {
throw new Exception\RuntimeException(sprintf('Filename "%s" is either not a file or not readable', $filename));
}
$config = include $filename;
} elseif (isset(self::$readers[$extension])) {
if (is_string(self::$readers[$extension])) {
$classname = __NAMESPACE__ . '\\Reader\\' . self::$readers[$extension];
self::$readers[$extension] = new $classname();
}
$config = self::$readers[$extension]->fromFile($filename);
} else {
throw new Exception\RuntimeException(sprintf(
'Unsupported config file extension: .%s',
$pathinfo['extension']
));
}
return ($returnConfigObject) ? new Config($config) : $config;
}
/**
* Read configuration from multiple files and merge them.
*
* @param array $files
* @param boolean $returnConfigObject
* @return array|Config
*/
public static function fromFiles(array $files, $returnConfigObject = false)
{
$config = array();
foreach ($files as $file) {
$config = ArrayUtils::merge($config, self::fromFile($file));
}
return ($returnConfigObject) ? new Config($config) : $config;
}
}