> * > */ private static array $handlers = []; public function __construct() { self::$handlers = []; $this->registerClass(ArrayFilterParamsProvider::class); $this->registerClass(ArrayMultisortParamsProvider::class); } /** * @param class-string $class */ public function registerClass(string $class): void { $callable = Closure::fromCallable([$class, 'getFunctionParams']); foreach ($class::getFunctionIds() as $function_id) { $this->registerClosure($function_id, $callable); } } /** * @param Closure(FunctionParamsProviderEvent): ?array $c */ public function registerClosure(string $fq_classlike_name, Closure $c): void { self::$handlers[strtolower($fq_classlike_name)][] = $c; } public function has(string $fq_classlike_name): bool { return isset(self::$handlers[strtolower($fq_classlike_name)]); } /** * @param list $call_args * @return ?array */ public function getFunctionParams( StatementsSource $statements_source, string $function_id, array $call_args, ?Context $context = null, ?CodeLocation $code_location = null ): ?array { foreach (self::$handlers[strtolower($function_id)] ?? [] as $class_handler) { $event = new FunctionParamsProviderEvent( $statements_source, $function_id, $call_args, $context, $code_location, ); $result = $class_handler($event); if ($result) { return $result; } } return null; } }