createExplicitCallable(); } private function createExplicitCallable() : string { /** @var IdentifierTypeNode|GenericTypeNode $returnType */ $returnType = $this->returnType; $parameterTypeString = $this->createParameterTypeString(); $returnTypeAsString = (string) $returnType; if (\strpos($returnTypeAsString, '|') !== \false) { $returnTypeAsString = '(' . $returnTypeAsString . ')'; } $parameterTypeString = $this->normalizeParameterType($parameterTypeString, $returnTypeAsString); $returnTypeAsString = $this->normalizeReturnType($parameterTypeString, $returnTypeAsString); return \sprintf('%s%s%s', $this->identifier->name, $parameterTypeString, $returnTypeAsString); } private function createParameterTypeString() : string { $parameterTypeStrings = []; foreach ($this->parameters as $parameter) { $parameterTypeStrings[] = \trim((string) $parameter); } $parameterTypeString = \implode(', ', $parameterTypeStrings); return \trim($parameterTypeString); } private function normalizeParameterType(string $parameterTypeString, string $returnTypeAsString) : string { if ($parameterTypeString !== '') { return '(' . $parameterTypeString . ')'; } if ($returnTypeAsString === 'mixed') { return $parameterTypeString; } if ($returnTypeAsString === '') { return $parameterTypeString; } return '()'; } private function normalizeReturnType(string $parameterTypeString, string $returnTypeAsString) : string { if ($returnTypeAsString !== 'mixed') { return ':' . $returnTypeAsString; } if ($parameterTypeString !== '') { return ':' . $returnTypeAsString; } return ''; } }