153 lines
4.7 KiB
PHP
153 lines
4.7 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\Cache\Traits;
|
|
|
|
use Symfony\Component\Cache\CacheItem;
|
|
use Symfony\Component\Cache\Exception\InvalidArgumentException;
|
|
|
|
/**
|
|
* @author Titouan Galopin <galopintitouan@gmail.com>
|
|
* @author Nicolas Grekas <p@tchwork.com>
|
|
*
|
|
* @internal
|
|
*/
|
|
trait PhpArrayTrait
|
|
{
|
|
use ProxyTrait;
|
|
|
|
private $file;
|
|
private $values;
|
|
private $zendDetectUnicode;
|
|
|
|
private static $valuesCache = [];
|
|
|
|
/**
|
|
* Store an array of cached values.
|
|
*
|
|
* @param array $values The cached values
|
|
*/
|
|
public function warmUp(array $values)
|
|
{
|
|
if (file_exists($this->file)) {
|
|
if (!is_file($this->file)) {
|
|
throw new InvalidArgumentException(sprintf('Cache path exists and is not a file: "%s".', $this->file));
|
|
}
|
|
|
|
if (!is_writable($this->file)) {
|
|
throw new InvalidArgumentException(sprintf('Cache file is not writable: "%s".', $this->file));
|
|
}
|
|
} else {
|
|
$directory = \dirname($this->file);
|
|
|
|
if (!is_dir($directory) && !@mkdir($directory, 0777, true)) {
|
|
throw new InvalidArgumentException(sprintf('Cache directory does not exist and cannot be created: "%s".', $directory));
|
|
}
|
|
|
|
if (!is_writable($directory)) {
|
|
throw new InvalidArgumentException(sprintf('Cache directory is not writable: "%s".', $directory));
|
|
}
|
|
}
|
|
|
|
$dump = <<<'EOF'
|
|
<?php
|
|
|
|
// This file has been auto-generated by the Symfony Cache Component.
|
|
|
|
return [
|
|
|
|
|
|
EOF;
|
|
|
|
foreach ($values as $key => $value) {
|
|
CacheItem::validateKey(\is_int($key) ? (string) $key : $key);
|
|
|
|
if (null === $value || \is_object($value)) {
|
|
try {
|
|
$value = serialize($value);
|
|
} catch (\Exception $e) {
|
|
throw new InvalidArgumentException(sprintf('Cache key "%s" has non-serializable "%s" value.', $key, \get_class($value)), 0, $e);
|
|
}
|
|
} elseif (\is_array($value)) {
|
|
try {
|
|
$serialized = serialize($value);
|
|
$unserialized = unserialize($serialized);
|
|
} catch (\Exception $e) {
|
|
throw new InvalidArgumentException(sprintf('Cache key "%s" has non-serializable array value.', $key), 0, $e);
|
|
}
|
|
// Store arrays serialized if they contain any objects or references
|
|
if ($unserialized !== $value || (false !== strpos($serialized, ';R:') && preg_match('/;R:[1-9]/', $serialized))) {
|
|
$value = $serialized;
|
|
}
|
|
} elseif (\is_string($value)) {
|
|
// Serialize strings if they could be confused with serialized objects or arrays
|
|
if ('N;' === $value || (isset($value[2]) && ':' === $value[1])) {
|
|
$value = serialize($value);
|
|
}
|
|
} elseif (!is_scalar($value)) {
|
|
throw new InvalidArgumentException(sprintf('Cache key "%s" has non-serializable "%s" value.', $key, \gettype($value)));
|
|
}
|
|
|
|
$dump .= var_export($key, true).' => '.var_export($value, true).",\n";
|
|
}
|
|
|
|
$dump .= "\n];\n";
|
|
$dump = str_replace("' . \"\\0\" . '", "\0", $dump);
|
|
|
|
$tmpFile = uniqid($this->file, true);
|
|
|
|
file_put_contents($tmpFile, $dump);
|
|
@chmod($tmpFile, 0666 & ~umask());
|
|
unset($serialized, $unserialized, $value, $dump);
|
|
|
|
@rename($tmpFile, $this->file);
|
|
unset(self::$valuesCache[$this->file]);
|
|
|
|
$this->initialize();
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function clear()
|
|
{
|
|
$this->values = [];
|
|
|
|
$cleared = @unlink($this->file) || !file_exists($this->file);
|
|
unset(self::$valuesCache[$this->file]);
|
|
|
|
return $this->pool->clear() && $cleared;
|
|
}
|
|
|
|
/**
|
|
* Load the cache file.
|
|
*/
|
|
private function initialize()
|
|
{
|
|
if (isset(self::$valuesCache[$this->file])) {
|
|
$this->values = self::$valuesCache[$this->file];
|
|
|
|
return;
|
|
}
|
|
|
|
if ($this->zendDetectUnicode) {
|
|
$zmb = ini_set('zend.detect_unicode', 0);
|
|
}
|
|
try {
|
|
$this->values = self::$valuesCache[$this->file] = file_exists($this->file) ? (include $this->file ?: []) : [];
|
|
} finally {
|
|
if ($this->zendDetectUnicode) {
|
|
ini_set('zend.detect_unicode', $zmb);
|
|
}
|
|
}
|
|
}
|
|
}
|