139 lines
3.5 KiB
PHP
139 lines
3.5 KiB
PHP
<?php
|
|
|
|
/*
|
|
* This file is part of the Symfony package.
|
|
*
|
|
* (c) Fabien Potencier <fabien@symfony.com>
|
|
*
|
|
* For the full copyright and license information, please view the LICENSE
|
|
* file that was distributed with this source code.
|
|
*/
|
|
|
|
namespace Symfony\Component\Config;
|
|
|
|
use Symfony\Component\Config\Resource\ResourceInterface;
|
|
use Symfony\Component\Filesystem\Exception\IOException;
|
|
use Symfony\Component\Filesystem\Filesystem;
|
|
|
|
/**
|
|
* ConfigCache manages PHP cache files.
|
|
*
|
|
* When debug is enabled, it knows when to flush the cache
|
|
* thanks to an array of ResourceInterface instances.
|
|
*
|
|
* @author Fabien Potencier <fabien@symfony.com>
|
|
*/
|
|
class ConfigCache implements ConfigCacheInterface
|
|
{
|
|
private $debug;
|
|
private $file;
|
|
|
|
/**
|
|
* @param string $file The absolute cache path
|
|
* @param bool $debug Whether debugging is enabled or not
|
|
*/
|
|
public function __construct($file, $debug)
|
|
{
|
|
$this->file = $file;
|
|
$this->debug = (bool) $debug;
|
|
}
|
|
|
|
/**
|
|
* Gets the cache file path.
|
|
*
|
|
* @return string The cache file path
|
|
*
|
|
* @deprecated since 2.7, to be removed in 3.0. Use getPath() instead.
|
|
*/
|
|
public function __toString()
|
|
{
|
|
@trigger_error('ConfigCache::__toString() is deprecated since version 2.7 and will be removed in 3.0. Use the getPath() method instead.', E_USER_DEPRECATED);
|
|
|
|
return $this->file;
|
|
}
|
|
|
|
/**
|
|
* Gets the cache file path.
|
|
*
|
|
* @return string The cache file path
|
|
*/
|
|
public function getPath()
|
|
{
|
|
return $this->file;
|
|
}
|
|
|
|
/**
|
|
* Checks if the cache is still fresh.
|
|
*
|
|
* This method always returns true when debug is off and the
|
|
* cache file exists.
|
|
*
|
|
* @return bool true if the cache is fresh, false otherwise
|
|
*/
|
|
public function isFresh()
|
|
{
|
|
if (!is_file($this->file)) {
|
|
return false;
|
|
}
|
|
|
|
if (!$this->debug) {
|
|
return true;
|
|
}
|
|
|
|
$metadata = $this->getMetaFile();
|
|
if (!is_file($metadata)) {
|
|
return false;
|
|
}
|
|
|
|
$time = filemtime($this->file);
|
|
$meta = unserialize(file_get_contents($metadata));
|
|
foreach ($meta as $resource) {
|
|
if (!$resource->isFresh($time)) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Writes cache.
|
|
*
|
|
* @param string $content The content to write in the cache
|
|
* @param ResourceInterface[] $metadata An array of ResourceInterface instances
|
|
*
|
|
* @throws \RuntimeException When cache file can't be written
|
|
*/
|
|
public function write($content, array $metadata = null)
|
|
{
|
|
$mode = 0666;
|
|
$umask = umask();
|
|
$filesystem = new Filesystem();
|
|
$filesystem->dumpFile($this->file, $content, null);
|
|
try {
|
|
$filesystem->chmod($this->file, $mode, $umask);
|
|
} catch (IOException $e) {
|
|
// discard chmod failure (some filesystem may not support it)
|
|
}
|
|
|
|
if (null !== $metadata && true === $this->debug) {
|
|
$filesystem->dumpFile($this->getMetaFile(), serialize($metadata), null);
|
|
try {
|
|
$filesystem->chmod($this->getMetaFile(), $mode, $umask);
|
|
} catch (IOException $e) {
|
|
// discard chmod failure (some filesystem may not support it)
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Gets the meta file path.
|
|
*
|
|
* @return string The meta file path
|
|
*/
|
|
private function getMetaFile()
|
|
{
|
|
return $this->file.'.meta';
|
|
}
|
|
}
|