DI\Definition\Dumper\ObjectDefinitionDumper::dumpMethodParameters PHP Method

    private function dumpMethodParameters($className, MethodInjection $methodInjection)
    {
        $methodReflection = new \ReflectionMethod($className, $methodInjection->getMethodName());
        $args = [];
        $definitionParameters = $methodInjection->getParameters();
        foreach ($methodReflection->getParameters() as $index => $parameter) {
            if (array_key_exists($index, $definitionParameters)) {
                $value = $definitionParameters[$index];
                if ($value instanceof EntryReference) {
                    $args[] = sprintf('$%s = get(%s)', $parameter->getName(), $value->getName());
                } else {
                    $args[] = sprintf('$%s = %s', $parameter->getName(), var_export($value, true));
                }
                continue;
            }
            // If the parameter is optional and wasn't specified, we take its default value
            if ($parameter->isOptional()) {
                try {
                    $value = $parameter->getDefaultValue();
                    $args[] = sprintf('$%s = (default value) %s', $parameter->getName(), var_export($value, true));
                    continue;
                } catch (ReflectionException $e) {
                    // The default value can't be read through Reflection because it is a PHP internal class
                }
            }
            $args[] = sprintf('$%s = #UNDEFINED#', $parameter->getName());
        }
        return implode(PHP_EOL . '        ', $args);
    }