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<?php
declare(strict_types=1);
namespace Spiral\Broadcasting;
class TopicRegistry implements TopicRegistryInterface
{
private array $patterns = [];
public function __construct(array $topics = [])
foreach ($topics as $topic => $callback) {
$this->register($topic, $callback);
}
public function register(string $topic, callable $callback): void
$this->patterns[$this->compilePattern($topic)] = $callback;
public function findCallback(string $topic, array &$matches): ?callable
foreach ($this->patterns as $pattern => $callback) {
if (preg_match($pattern, $topic, $matches)) {
return $callback;
return null;
private function compilePattern(string $topic): string
$replaces = [];
if (preg_match_all('/\{(\w+):?(.*?)?\}/', $topic, $matches)) {
$variables = array_combine($matches[1], $matches[2]);
foreach ($variables as $key => $_) {
$replaces['{' . $key . '}'] = '(?P<' . $key . '>[^\/\.]+)';
return '/^' . strtr($topic, $replaces + ['/' => '\\/', '[' => '(?:', ']' => ')?', '.' => '\.']) . '$/iu';
spiral /
framework
