Symfony\Component\DependencyInjection\Dumper\PhpDumper::addServiceLocalTempVariables PHP Method

    private function addServiceLocalTempVariables($cId, $definition)
    {
        static $template = "        \$%s = %s;\n";

        $localDefinitions = array_merge(
            array($definition),
            $this->getInlinedDefinitions($definition)
        );

        $calls = $behavior = array();
        foreach ($localDefinitions as $iDefinition) {
            $this->getServiceCallsFromArguments($iDefinition->getArguments(), $calls, $behavior);
            $this->getServiceCallsFromArguments($iDefinition->getMethodCalls(), $calls, $behavior);
            $this->getServiceCallsFromArguments($iDefinition->getProperties(), $calls, $behavior);
            $this->getServiceCallsFromArguments(array($iDefinition->getConfigurator()), $calls, $behavior);
            $this->getServiceCallsFromArguments(array($iDefinition->getFactory()), $calls, $behavior);
        }

        $code = '';
        foreach ($calls as $id => $callCount) {
            if ('service_container' === $id || $id === $cId) {
                continue;
            }

            if ($callCount > 1) {
                $name = $this->getNextVariableName();
                $this->referenceVariables[$id] = new Variable($name);

                if (ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE === $behavior[$id]) {
                    $code .= sprintf($template, $name, $this->getServiceCall($id));
                } else {
                    $code .= sprintf($template, $name, $this->getServiceCall($id, new Reference($id, ContainerInterface::NULL_ON_INVALID_REFERENCE)));
                }
            }
        }

        if ('' !== $code) {
            $code .= "\n";
        }

        return $code;
    }