96 lines
2.0 KiB
PHP
96 lines
2.0 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\HttpKernel\Config;
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use Symfony\Component\Config\Resource\ResourceInterface;
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/**
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* EnvParametersResource represents resources stored in prefixed environment variables.
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*
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* @author Chris Wilkinson <chriswilkinson84@gmail.com>
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*/
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class EnvParametersResource implements ResourceInterface, \Serializable
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{
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/**
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* @var string
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*/
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private $prefix;
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/**
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* @var string
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*/
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private $variables;
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/**
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* Constructor.
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*
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* @param string $prefix
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*/
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public function __construct($prefix)
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{
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$this->prefix = $prefix;
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$this->variables = $this->findVariables();
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}
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/**
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* {@inheritdoc}
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*/
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public function __toString()
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{
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return serialize($this->getResource());
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}
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/**
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* {@inheritdoc}
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*/
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public function getResource()
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{
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return array('prefix' => $this->prefix, 'variables' => $this->variables);
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}
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/**
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* {@inheritdoc}
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*/
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public function isFresh($timestamp)
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{
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return $this->findVariables() === $this->variables;
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}
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public function serialize()
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{
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return serialize(array('prefix' => $this->prefix, 'variables' => $this->variables));
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}
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public function unserialize($serialized)
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{
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$unserialized = unserialize($serialized);
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$this->prefix = $unserialized['prefix'];
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$this->variables = $unserialized['variables'];
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}
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private function findVariables()
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{
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$variables = array();
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foreach ($_SERVER as $key => $value) {
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if (0 === strpos($key, $this->prefix)) {
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$variables[$key] = $value;
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}
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}
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ksort($variables);
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return $variables;
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}
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}
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