run-all-levels.php

<?php

declare(strict_types = 1);

(function () use ($argv) {
	array_shift($argv);
	$previousMessages = [];

	foreach (range(0, 10) as $level) {
		unset($outputLines);
		exec(sprintf('%s bin/phpstan analyse --no-progress --error-format=prettyJson --level=%d %s', escapeshellarg(PHP_BINARY), $level, implode(' ', $argv)), $outputLines);

		$output = implode("\n", $outputLines);

		$actualJson = json_decode($output, true, 512, JSON_THROW_ON_ERROR);
		$messagesBeforeDiffing = [];
		foreach ($actualJson['files'] as $file => ['messages' => $fileMessages]) {
			$messagesBeforeDiffing[$file] = $fileMessages;
		}

		// messages added on the current level
		$messages = [];

		foreach ($messagesBeforeDiffing as $file => $fileMessages) {
			$filePreviousMessages = $previousMessages[$file] ?? [];
			foreach ($fileMessages as $message) {
				foreach ($filePreviousMessages as $lastMessage) {
					if (
						$message['message'] === $lastMessage['message']
						&& $message['line'] === $lastMessage['line']
					) {
						continue 2;
					}
				}

				$messages[$file][] = $message;
			}
		}

		$previousMessages = array_merge_recursive($previousMessages, $messages);

		file_put_contents(sprintf('errors-l%d.json', $level), json_encode($messages, JSON_THROW_ON_ERROR | JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES));
	}

})();