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Constant.php
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Constant.php
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<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2013 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @package Zend_Config
*/
namespace Zend\Config\Processor;
/**
* @category Zend
* @package Zend_Config
* @subpackage Processor
*/
class Constant extends Token implements ProcessorInterface
{
/**
* Replace only user-defined tokens
*
* @var bool
*/
protected $userOnly = true;
/**
* Constant Processor walks through a Config structure and replaces all
* PHP constants with their respective values
*
* @param bool $userOnly True to process only user-defined constants, false to process all PHP constants
* @param string $prefix Optional prefix
* @param string $suffix Optional suffix
* @return \Zend\Config\Processor\Constant
*/
public function __construct($userOnly = true, $prefix = '', $suffix = '')
{
$this->setUserOnly($userOnly);
$this->setPrefix($prefix);
$this->setSuffix($suffix);
$this->loadConstants();
}
/**
* @return bool
*/
public function getUserOnly()
{
return $this->userOnly;
}
/**
* Should we use only user-defined constants?
*
* @param bool $userOnly
* @return Constant
*/
public function setUserOnly($userOnly)
{
$this->userOnly = (bool) $userOnly;
return $this;
}
/**
* Load all currently defined constants into parser.
*
* @return void
*/
public function loadConstants()
{
if ($this->userOnly) {
$constants = get_defined_constants(true);
$constants = isset($constants['user']) ? $constants['user'] : array();
$this->setTokens($constants);
} else {
$this->setTokens(get_defined_constants());
}
}
/**
* Get current token registry.
* @return array
*/
public function getTokens()
{
return $this->tokens;
}
}