413 Zeilen
		
	
	
	
		
			11 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			413 Zeilen
		
	
	
	
		
			11 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?php
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/**
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 * Zend Framework
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 *
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 * LICENSE
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 *
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 * This source file is subject to the new BSD license that is bundled
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 * with this package in the file LICENSE.txt.
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 * It is also available through the world-wide-web at this URL:
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 * http://framework.zend.com/license/new-bsd
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 * If you did not receive a copy of the license and are unable to
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 * obtain it through the world-wide-web, please send an email
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 * to license@zend.com so we can send you a copy immediately.
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 *
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 * @category   Zend
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 * @package    Zend_Application
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 * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
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 * @license    http://framework.zend.com/license/new-bsd     New BSD License
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 * @version    $Id$
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 */
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/**
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 * @category   Zend
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 * @package    Zend_Application
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 * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
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 * @license    http://framework.zend.com/license/new-bsd     New BSD License
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 */
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class Zend_Application
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{
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    /**
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     * Autoloader to use
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     *
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     * @var Zend_Loader_Autoloader
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     */
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    protected $_autoloader;
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    /**
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     * Bootstrap
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     *
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     * @var Zend_Application_Bootstrap_BootstrapAbstract
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     */
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    protected $_bootstrap;
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    /**
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     * Application environment
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     *
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     * @var string
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     */
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    protected $_environment;
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    /**
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     * Flattened (lowercase) option keys
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     *
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     * @var array
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     */
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    protected $_optionKeys = array();
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    /**
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     * Options for Zend_Application
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     *
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     * @var array
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     */
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    protected $_options = array();
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    /**
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     * Constructor
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     *
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     * Initialize application. Potentially initializes include_paths, PHP
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     * settings, and bootstrap class.
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     *
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     * @param  string                   $environment
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     * @param  string|array|Zend_Config $options String path to configuration file, or array/Zend_Config of configuration options
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     * @throws Zend_Application_Exception When invalid options are provided
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     * @return void
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     */
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    public function __construct($environment, $options = null)
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    {
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        $this->_environment = (string) $environment;
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        require_once 'Zend/Loader/Autoloader.php';
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        $this->_autoloader = Zend_Loader_Autoloader::getInstance();
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        if (null !== $options) {
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            if (is_string($options)) {
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                $options = $this->_loadConfig($options);
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            } elseif ($options instanceof Zend_Config) {
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                $options = $options->toArray();
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            } elseif (!is_array($options)) {
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                throw new Zend_Application_Exception('Invalid options provided; must be location of config file, a config object, or an array');
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            }
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            $this->setOptions($options);
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        }
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    }
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    /**
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     * Retrieve current environment
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     *
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     * @return string
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     */
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    public function getEnvironment()
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    {
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        return $this->_environment;
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    }
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    /**
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     * Retrieve autoloader instance
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     *
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     * @return Zend_Loader_Autoloader
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     */
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    public function getAutoloader()
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    {
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        return $this->_autoloader;
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    }
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    /**
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     * Set application options
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     *
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     * @param  array $options
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     * @throws Zend_Application_Exception When no bootstrap path is provided
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     * @throws Zend_Application_Exception When invalid bootstrap information are provided
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     * @return Zend_Application
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     */
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    public function setOptions(array $options)
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    {
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        if (!empty($options['config'])) {
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            if (is_array($options['config'])) {
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                $_options = array();
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                foreach ($options['config'] as $tmp) {
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                    $_options = $this->mergeOptions($_options, $this->_loadConfig($tmp));
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                }
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                $options = $this->mergeOptions($_options, $options);
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            } else {
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                $options = $this->mergeOptions($this->_loadConfig($options['config']), $options);
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            }
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        }
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        $this->_options = $options;
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        $options = array_change_key_case($options, CASE_LOWER);
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        $this->_optionKeys = array_keys($options);
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        if (!empty($options['phpsettings'])) {
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            $this->setPhpSettings($options['phpsettings']);
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        }
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        if (!empty($options['includepaths'])) {
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            $this->setIncludePaths($options['includepaths']);
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        }
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        if (!empty($options['autoloadernamespaces'])) {
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            $this->setAutoloaderNamespaces($options['autoloadernamespaces']);
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        }
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        if (!empty($options['autoloaderzfpath'])) {
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            $autoloader = $this->getAutoloader();
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            if (method_exists($autoloader, 'setZfPath')) {
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                $zfPath    = $options['autoloaderzfpath'];
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                $zfVersion = !empty($options['autoloaderzfversion'])
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                           ? $options['autoloaderzfversion']
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                           : 'latest';
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                $autoloader->setZfPath($zfPath, $zfVersion);
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            }
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        }
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        if (!empty($options['bootstrap'])) {
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            $bootstrap = $options['bootstrap'];
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            if (is_string($bootstrap)) {
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                $this->setBootstrap($bootstrap);
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            } elseif (is_array($bootstrap)) {
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                if (empty($bootstrap['path'])) {
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                    throw new Zend_Application_Exception('No bootstrap path provided');
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                }
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                $path  = $bootstrap['path'];
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                $class = null;
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                if (!empty($bootstrap['class'])) {
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                    $class = $bootstrap['class'];
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                }
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                $this->setBootstrap($path, $class);
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            } else {
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                throw new Zend_Application_Exception('Invalid bootstrap information provided');
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            }
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        }
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        return $this;
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    }
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    /**
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     * Retrieve application options (for caching)
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     *
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     * @return array
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     */
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    public function getOptions()
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    {
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        return $this->_options;
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    }
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    /**
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     * Is an option present?
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     *
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     * @param  string $key
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     * @return bool
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     */
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    public function hasOption($key)
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    {
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        return in_array(strtolower($key), $this->_optionKeys);
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    }
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    /**
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     * Retrieve a single option
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     *
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     * @param  string $key
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     * @return mixed
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     */
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    public function getOption($key)
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    {
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        if ($this->hasOption($key)) {
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            $options = $this->getOptions();
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            $options = array_change_key_case($options, CASE_LOWER);
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            return $options[strtolower($key)];
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        }
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        return null;
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    }
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    /**
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     * Merge options recursively
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     *
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     * @param  array $array1
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     * @param  mixed $array2
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     * @return array
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     */
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    public function mergeOptions(array $array1, $array2 = null)
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    {
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        if (is_array($array2)) {
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            foreach ($array2 as $key => $val) {
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                if (is_array($array2[$key])) {
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                    $array1[$key] = (array_key_exists($key, $array1) && is_array($array1[$key]))
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                                  ? $this->mergeOptions($array1[$key], $array2[$key])
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                                  : $array2[$key];
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                } else {
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                    $array1[$key] = $val;
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                }
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            }
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        }
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        return $array1;
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    }
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    /**
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     * Set PHP configuration settings
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     *
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     * @param  array $settings
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     * @param  string $prefix Key prefix to prepend to array values (used to map . separated INI values)
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     * @return Zend_Application
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     */
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    public function setPhpSettings(array $settings, $prefix = '')
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    {
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        foreach ($settings as $key => $value) {
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            $key = empty($prefix) ? $key : $prefix . $key;
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            if (is_scalar($value)) {
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                ini_set($key, $value);
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            } elseif (is_array($value)) {
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                $this->setPhpSettings($value, $key . '.');
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            }
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        }
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        return $this;
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    }
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    /**
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     * Set include path
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     *
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     * @param  array $paths
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     * @return Zend_Application
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     */
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    public function setIncludePaths(array $paths)
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    {
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        $path = implode(PATH_SEPARATOR, $paths);
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        set_include_path($path . PATH_SEPARATOR . get_include_path());
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        return $this;
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    }
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    /**
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     * Set autoloader namespaces
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     *
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     * @param  array $namespaces
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     * @return Zend_Application
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     */
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    public function setAutoloaderNamespaces(array $namespaces)
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    {
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        $autoloader = $this->getAutoloader();
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        foreach ($namespaces as $namespace) {
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            $autoloader->registerNamespace($namespace);
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        }
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        return $this;
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    }
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    /**
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     * Set bootstrap path/class
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     *
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     * @param  string $path
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     * @param  string $class
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     * @return Zend_Application
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     */
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    public function setBootstrap($path, $class = null)
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    {
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        // setOptions() can potentially send a null value; specify default
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        // here
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        if (null === $class) {
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            $class = 'Bootstrap';
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        }
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        if (!class_exists($class, false)) {
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            require_once $path;
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            if (!class_exists($class, false)) {
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                throw new Zend_Application_Exception('Bootstrap class not found');
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            }
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        }
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        $this->_bootstrap = new $class($this);
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        if (!$this->_bootstrap instanceof Zend_Application_Bootstrap_Bootstrapper) {
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            throw new Zend_Application_Exception('Bootstrap class does not implement Zend_Application_Bootstrap_Bootstrapper');
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        }
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        return $this;
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    }
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    /**
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     * Get bootstrap object
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     *
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     * @return Zend_Application_Bootstrap_BootstrapAbstract
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     */
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    public function getBootstrap()
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    {
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        if (null === $this->_bootstrap) {
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            $this->_bootstrap = new Zend_Application_Bootstrap_Bootstrap($this);
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        }
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        return $this->_bootstrap;
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    }
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    /**
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     * Bootstrap application
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     *
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     * @param  null|string|array $resource
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     * @return Zend_Application
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     */
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    public function bootstrap($resource = null)
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    {
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        $this->getBootstrap()->bootstrap($resource);
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        return $this;
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    }
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    /**
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     * Run the application
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     *
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     * @return void
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     */
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    public function run()
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    {
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        $this->getBootstrap()->run();
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    }
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    /**
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     * Load configuration file of options
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     *
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     * @param  string $file
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     * @throws Zend_Application_Exception When invalid configuration file is provided
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     * @return array
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     */
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    protected function _loadConfig($file)
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    {
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        $environment = $this->getEnvironment();
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        $suffix      = strtolower(pathinfo($file, PATHINFO_EXTENSION));
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        switch ($suffix) {
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            case 'ini':
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                $config = new Zend_Config_Ini($file, $environment);
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                break;
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            case 'xml':
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                $config = new Zend_Config_Xml($file, $environment);
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                break;
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            case 'json':
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                $config = new Zend_Config_Json($file, $environment);
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                break;
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            case 'yaml':
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                $config = new Zend_Config_Yaml($file, $environment);
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                break;
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            case 'php':
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            case 'inc':
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                $config = include $file;
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                if (!is_array($config)) {
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                    throw new Zend_Application_Exception('Invalid configuration file provided; PHP file does not return array value');
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                }
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                return $config;
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                break;
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            default:
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                throw new Zend_Application_Exception('Invalid configuration file provided; unknown config type');
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        }
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        return $config->toArray();
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    }
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}
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