Viewing file:  CacheWarmerAggregate.php (3.91 KB) -rw-r--r--
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<?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\HttpKernel\CacheWarmer;
/**
* Aggregates several cache warmers into a single one.
*
* @author Fabien Potencier <fabien@symfony.com>
*
* @final
*/
class CacheWarmerAggregate implements CacheWarmerInterface
{
private $warmers;
private $debug;
private $deprecationLogsFilepath;
private $optionalsEnabled = false;
private $onlyOptionalsEnabled = false;
public function __construct(iterable $warmers = [], bool $debug = false, string $deprecationLogsFilepath = null)
{
$this->warmers = $warmers;
$this->debug = $debug;
$this->deprecationLogsFilepath = $deprecationLogsFilepath;
}
public function enableOptionalWarmers()
{
$this->optionalsEnabled = true;
}
public function enableOnlyOptionalWarmers()
{
$this->onlyOptionalsEnabled = $this->optionalsEnabled = true;
}
/**
* Warms up the cache.
*
* @return string[] A list of classes or files to preload on PHP 7.4+
*/
public function warmUp(string $cacheDir)
{
if ($collectDeprecations = $this->debug && !\defined('PHPUNIT_COMPOSER_INSTALL')) {
$collectedLogs = [];
$previousHandler = set_error_handler(function ($type, $message, $file, $line) use (&$collectedLogs, &$previousHandler) {
if (\E_USER_DEPRECATED !== $type && \E_DEPRECATED !== $type) {
return $previousHandler ? $previousHandler($type, $message, $file, $line) : false;
}
if (isset($collectedLogs[$message])) {
++$collectedLogs[$message]['count'];
return null;
}
$backtrace = debug_backtrace(\DEBUG_BACKTRACE_IGNORE_ARGS, 3);
// Clean the trace by removing first frames added by the error handler itself.
for ($i = 0; isset($backtrace[$i]); ++$i) {
if (isset($backtrace[$i]['file'], $backtrace[$i]['line']) && $backtrace[$i]['line'] === $line && $backtrace[$i]['file'] === $file) {
$backtrace = \array_slice($backtrace, 1 + $i);
break;
}
}
$collectedLogs[$message] = [
'type' => $type,
'message' => $message,
'file' => $file,
'line' => $line,
'trace' => $backtrace,
'count' => 1,
];
return null;
});
}
$preload = [];
try {
foreach ($this->warmers as $warmer) {
if (!$this->optionalsEnabled && $warmer->isOptional()) {
continue;
}
if ($this->onlyOptionalsEnabled && !$warmer->isOptional()) {
continue;
}
$preload[] = array_values((array) $warmer->warmUp($cacheDir));
}
} finally {
if ($collectDeprecations) {
restore_error_handler();
if (is_file($this->deprecationLogsFilepath)) {
$previousLogs = unserialize(file_get_contents($this->deprecationLogsFilepath));
$collectedLogs = array_merge($previousLogs, $collectedLogs);
}
file_put_contents($this->deprecationLogsFilepath, serialize(array_values($collectedLogs)));
}
}
return array_values(array_unique(array_merge([], ...$preload)));
}
/**
* Checks whether this warmer is optional or not.
*
* @return bool always false
*/
public function isOptional(): bool
{
return false;
}
}
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