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<?php
namespace {
/**
* 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) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Config.php 23775 2011-03-01 17:25:24Z ralph $
*/
/**
* @category Zend
* @package Zend_Config
* @copyright Copyright (c) 2005-2011 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 = (bool) $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 $errline
*/
protected function _loadFileErrorHandler($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;
}
}
}