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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\Profiler; |
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use Yiisoft\Files\FileHelper; |
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/** |
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* FileTarget records profiling messages in a file specified via {@see filename}. |
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* |
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* Application configuration example: |
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* |
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* ```php |
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* return [ |
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* 'profiler' => [ |
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* 'targets' => [ |
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* [ |
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* '__class' => Yiisoft\Profile\FileTarget::class, |
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* //'filename' => '@runtime/profiling/{date}-{time}.txt', |
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* ], |
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* ], |
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* // ... |
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* ], |
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* // ... |
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* ]; |
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* ``` |
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*/ |
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final class FileTarget extends Target |
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{ |
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/** |
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* @var string file path or [path alias](guide:concept-aliases). File name may contain the placeholders, |
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* which will be replaced by computed values. The supported placeholders are: |
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* |
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* - '{ts}' - profiling completion timestamp. |
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* - '{date}' - profiling completion date in format 'ymd'. |
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* - '{time}' - profiling completion time in format 'His'. |
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* |
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* The directory containing the file will be automatically created if not existing. |
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* If target file is already exist it will be overridden. |
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*/ |
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private string $filename; |
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/** |
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* @var int the permission to be set for newly created directories. |
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* This value will be used by PHP chmod() function. No umask will be applied. |
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* Defaults to 0775, meaning the directory is read-writable by owner and group, |
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* but read-only for other users. |
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*/ |
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private int $dirMode = 0775; |
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public function __construct(string $filename = '@runtime/profiling/{date}-{time}.txt') |
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{ |
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$this->filename = $filename; |
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} |
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public function export(array $messages): void |
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{ |
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$memoryPeakUsage = memory_get_peak_usage(); |
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// TODO: make sure it works with RoadRunner and alike servers |
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$totalTime = microtime(true) - $_SERVER['REQUEST_TIME_FLOAT']; |
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$text = "Total processing time: {$totalTime} ms; Peak memory: {$memoryPeakUsage} B. \n\n"; |
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$text .= implode("\n", array_map([$this, 'formatMessage'], $messages)); |
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$filename = $this->resolveFilename(); |
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if (file_exists($filename)) { |
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FileHelper::unlink($filename); |
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} else { |
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$filePath = dirname($filename); |
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if (!is_dir($filePath)) { |
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FileHelper::createDirectory($filePath, $this->dirMode); |
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} |
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} |
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file_put_contents($filename, $text); |
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} |
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/** |
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* Resolves value of {@see filename} processing path alias and placeholders. |
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* |
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* @return string actual target filename. |
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*/ |
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private function resolveFilename(): string |
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{ |
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return preg_replace_callback( |
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'/{\\w+}/', |
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static function ($matches) { |
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switch ($matches[0]) { |
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case '{ts}': |
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return time(); |
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case '{date}': |
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return gmdate('ymd'); |
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case '{time}': |
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return gmdate('His'); |
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} |
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return $matches[0]; |
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}, |
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$this->filename |
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); |
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} |
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/** |
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* Formats a profiling message for display as a string. |
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* |
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* @param Message $message the profiling message to be formatted. |
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* The message structure follows that in {@see Profiler::$messages}. |
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* |
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* @return string the formatted message. |
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*/ |
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private function formatMessage(Message $message): string |
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{ |
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return date('Y-m-d H:i:s', (int)$message->context('beginTime')) |
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. " [{$message->context('duration')} ms][{$message->context('memoryDiff')} B][{$message->level()}] {$message->message()}" |
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. __METHOD__; |
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} |
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} |
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yiisoft /
profiler
