File indexing completed on 2024-12-22 05:37:15

 <?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) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  * @version    $Id$
  */
 
 
 /**
  * @category   Zend
  * @package    Zend_Config
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
 class Zend_Config implements Countable, Iterator
 {
     /**
      * Whether in-memory modifications to configuration data are allowed
      *
      * @var boolean
      */
     protected $_allowModifications;
 
     /**
      * Iteration index
      *
      * @var integer
      */
     protected $_index;
 
     /**
      * Number of elements in configuration data
      *
      * @var integer
      */
     protected $_count;
 
     /**
      * Contains array of configuration data
      *
      * @var array
      */
     protected $_data;
 
     /**
      * Used when unsetting values during iteration to ensure we do not skip
      * the next element
      *
      * @var boolean
      */
     protected $_skipNextIteration;
 
     /**
      * Contains which config file sections were loaded. This is null
      * if all sections were loaded, a string name if one section is loaded
      * and an array of string names if multiple sections were loaded.
      *
      * @var mixed
      */
     protected $_loadedSection;
 
     /**
      * This is used to track section inheritance. The keys are names of sections that
      * extend other sections, and the values are the extended sections.
      *
      * @var array
      */
     protected $_extends = array();
 
     /**
      * Load file error string.
      *
      * Is null if there was no error while file loading
      *
      * @var string
      */
     protected $_loadFileErrorStr = null;
 
     /**
      * Zend_Config provides a property based interface to
      * an array. The data are read-only unless $allowModifications
      * is set to true on construction.
      *
      * Zend_Config also implements Countable and Iterator to
      * facilitate easy access to the data.
      *
      * @param  array   $array
      * @param  boolean $allowModifications
      * @return void
      */
     public function __construct(array $array, $allowModifications = false)
     {
         $this->_allowModifications = (boolean) $allowModifications;
         $this->_loadedSection = null;
         $this->_index = 0;
         $this->_data = array();
         foreach ($array as $key => $value) {
             if (is_array($value)) {
                 $this->_data[$key] = new self($value, $this->_allowModifications);
             } else {
                 $this->_data[$key] = $value;
             }
         }
         $this->_count = count($this->_data);
     }
 
     /**
      * Retrieve a value and return $default if there is no element set.
      *
      * @param string $name
      * @param mixed $default
      * @return mixed
      */
     public function get($name, $default = null)
     {
         $result = $default;
         if (array_key_exists($name, $this->_data)) {
             $result = $this->_data[$name];
         }
         return $result;
     }
 
     /**
      * Magic function so that $obj->value will work.
      *
      * @param string $name
      * @return mixed
      */
     public function __get($name)
     {
         return $this->get($name);
     }
 
     /**
      * Only allow setting of a property if $allowModifications
      * was set to true on construction. Otherwise, throw an exception.
      *
      * @param  string $name
      * @param  mixed  $value
      * @throws Zend_Config_Exception
      * @return void
      */
     public function __set($name, $value)
     {
         if ($this->_allowModifications) {
             if (is_array($value)) {
                 $this->_data[$name] = new self($value, true);
             } else {
                 $this->_data[$name] = $value;
             }
             $this->_count = count($this->_data);
         } else {
             /** @see Zend_Config_Exception */
             // require_once 'Zend/Config/Exception.php';
             throw new Zend_Config_Exception('Zend_Config is read only');
         }
     }
 
     /**
      * Deep clone of this instance to ensure that nested Zend_Configs
      * are also cloned.
      *
      * @return void
      */
     public function __clone()
     {
       $array = array();
       foreach ($this->_data as $key => $value) {
           if ($value instanceof Zend_Config) {
               $array[$key] = clone $value;
           } else {
               $array[$key] = $value;
           }
       }
       $this->_data = $array;
     }
 
     /**
      * Return an associative array of the stored data.
      *
      * @return array
      */
     public function toArray()
     {
         $array = array();
         $data = $this->_data;
         foreach ($data as $key => $value) {
             if ($value instanceof Zend_Config) {
                 $array[$key] = $value->toArray();
             } else {
                 $array[$key] = $value;
             }
         }
         return $array;
     }
 
     /**
      * Support isset() overloading on PHP 5.1
      *
      * @param string $name
      * @return boolean
      */
     public function __isset($name)
     {
         return isset($this->_data[$name]);
     }
 
     /**
      * Support unset() overloading on PHP 5.1
      *
      * @param  string $name
      * @throws Zend_Config_Exception
      * @return void
      */
     public function __unset($name)
     {
         if ($this->_allowModifications) {
             unset($this->_data[$name]);
             $this->_count = count($this->_data);
             $this->_skipNextIteration = true;
         } else {
             /** @see Zend_Config_Exception */
             // require_once 'Zend/Config/Exception.php';
             throw new Zend_Config_Exception('Zend_Config is read only');
         }
 
     }
 
     /**
      * Defined by Countable interface
      *
      * @return int
      */
     public function count()
     {
         return $this->_count;
     }
 
     /**
      * Defined by Iterator interface
      *
      * @return mixed
      */
     public function current()
     {
         $this->_skipNextIteration = false;
         return current($this->_data);
     }
 
     /**
      * Defined by Iterator interface
      *
      * @return mixed
      */
     public function key()
     {
         return key($this->_data);
     }
 
     /**
      * Defined by Iterator interface
      *
      */
     public function next()
     {
         if ($this->_skipNextIteration) {
             $this->_skipNextIteration = false;
             return;
         }
         next($this->_data);
         $this->_index++;
     }
 
     /**
      * Defined by Iterator interface
      *
      */
     public function rewind()
     {
         $this->_skipNextIteration = false;
         reset($this->_data);
         $this->_index = 0;
     }
 
     /**
      * Defined by Iterator interface
      *
      * @return boolean
      */
     public function valid()
     {
         return $this->_index < $this->_count;
     }
 
     /**
      * Returns the section name(s) loaded.
      *
      * @return mixed
      */
     public function getSectionName()
     {
         if(is_array($this->_loadedSection) && count($this->_loadedSection) == 1) {
             $this->_loadedSection = $this->_loadedSection[0];
         }
         return $this->_loadedSection;
     }
 
     /**
      * Returns true if all sections were loaded
      *
      * @return boolean
      */
     public function areAllSectionsLoaded()
     {
         return $this->_loadedSection === null;
     }
 
 
     /**
      * Merge another Zend_Config with this one. The items
      * in $merge will override the same named items in
      * the current config.
      *
      * @param Zend_Config $merge
      * @return Zend_Config
      */
     public function merge(Zend_Config $merge)
     {
         foreach($merge as $key => $item) {
             if(array_key_exists($key, $this->_data)) {
                 if($item instanceof Zend_Config && $this->$key instanceof Zend_Config) {
                     $this->$key = $this->$key->merge(new Zend_Config($item->toArray(), !$this->readOnly()));
                 } else {
                     $this->$key = $item;
                 }
             } else {
                 if($item instanceof Zend_Config) {
                     $this->$key = new Zend_Config($item->toArray(), !$this->readOnly());
                 } else {
                     $this->$key = $item;
                 }
             }
         }
 
         return $this;
     }
 
     /**
      * Prevent any more modifications being made to this instance. Useful
      * after merge() has been used to merge multiple Zend_Config objects
      * into one object which should then not be modified again.
      *
      */
     public function setReadOnly()
     {
         $this->_allowModifications = false;
         foreach ($this->_data as $key => $value) {
             if ($value instanceof Zend_Config) {
                 $value->setReadOnly();
             }
         }
     }
 
     /**
      * Returns if this Zend_Config object is read only or not.
      *
      * @return boolean
      */
     public function readOnly()
     {
         return !$this->_allowModifications;
     }
 
     /**
      * Get the current extends
      *
      * @return array
      */
     public function getExtends()
     {
         return $this->_extends;
     }
 
     /**
      * Set an extend for Zend_Config_Writer
      *
      * @param  string $extendingSection
      * @param  string $extendedSection
      * @return void
      */
     public function setExtend($extendingSection, $extendedSection = null)
     {
         if ($extendedSection === null && isset($this->_extends[$extendingSection])) {
             unset($this->_extends[$extendingSection]);
         } else if ($extendedSection !== null) {
             $this->_extends[$extendingSection] = $extendedSection;
         }
     }
 
     /**
      * Throws an exception if $extendingSection may not extend $extendedSection,
      * and tracks the section extension if it is valid.
      *
      * @param  string $extendingSection
      * @param  string $extendedSection
      * @throws Zend_Config_Exception
      * @return void
      */
     protected function _assertValidExtend($extendingSection, $extendedSection)
     {
         // detect circular section inheritance
         $extendedSectionCurrent = $extendedSection;
         while (array_key_exists($extendedSectionCurrent, $this->_extends)) {
             if ($this->_extends[$extendedSectionCurrent] == $extendingSection) {
                 /** @see Zend_Config_Exception */
                 // require_once 'Zend/Config/Exception.php';
                 throw new Zend_Config_Exception('Illegal circular inheritance detected');
             }
             $extendedSectionCurrent = $this->_extends[$extendedSectionCurrent];
         }
         // remember that this section extends another section
         $this->_extends[$extendingSection] = $extendedSection;
     }
 
     /**
      * Handle any errors from simplexml_load_file or parse_ini_file
      *
      * @param integer $errno
      * @param string $errstr
      * @param string $errfile
      * @param integer $errline
      */
     public function _loadFileErrorHandler($errno, $errstr, $errfile, $errline)
     {
         if ($this->_loadFileErrorStr === null) {
             $this->_loadFileErrorStr = $errstr;
         } else {
             $this->_loadFileErrorStr .= (PHP_EOL . $errstr);
         }
     }
 
     /**
      * Merge two arrays recursively, overwriting keys of the same name
      * in $firstArray with the value in $secondArray.
      *
      * @param  mixed $firstArray  First array
      * @param  mixed $secondArray Second array to merge into first array
      * @return array
      */
     protected function _arrayMergeRecursive($firstArray, $secondArray)
     {
         if (is_array($firstArray) && is_array($secondArray)) {
             foreach ($secondArray as $key => $value) {
                 if (isset($firstArray[$key])) {
                     $firstArray[$key] = $this->_arrayMergeRecursive($firstArray[$key], $value);
                 } else {
                     if($key === 0) {
                         $firstArray= array(0=>$this->_arrayMergeRecursive($firstArray, $value));
                     } else {
                         $firstArray[$key] = $value;
                     }
                 }
             }
         } else {
             $firstArray = $secondArray;
         }
 
         return $firstArray;
     }
 }