src/Errors.php
public function checkReservedCodes()
    {
        $reserved = $this->getReservedCodes();

        // First iterate: check all factory
        foreach ($reserved as $factoryClass => $reservedForFactory) {
            // Second iterate: check in each factory
            foreach ($reserved as $checkInFactory => $reservedInCheckFactory) {
                if ($checkInFactory == $factoryClass) {
                    continue;
                }

                if ($reservedInCheckFactory[0] >= $reservedForFactory[0] &&
                    $reservedInCheckFactory[0] <= $reservedForFactory[1]
                ) {
                    throw new \RuntimeException(sprintf(
                        'The reserved codes for factory "%s" [%d - %d] superimposed on "%s" factory [%d - %d].',
                        $checkInFactory,
                        $reservedInCheckFactory[0],
                        $reservedInCheckFactory[1],
                        $factoryClass,
                        $reservedForFactory[0],
                        $reservedForFactory[1]
                    ));
                }

                if ($reservedInCheckFactory[1] >= $reservedForFactory[0] &&
                    $reservedInCheckFactory[1] <= $reservedForFactory[1]
                ) {
                    throw new \RuntimeException(sprintf(
                        'The reserved codes for factory "%s" [%d - %d] superimposed on "%s" factory [%d - %d].',
                        $checkInFactory,
                        $reservedInCheckFactory[0],
                        $reservedInCheckFactory[1],
                        $factoryClass,
                        $reservedForFactory[0],
                        $reservedForFactory[1]
                    ));
                }
            }
        }
    }
public function checkReservedCodes()
    {
        $reserved = $this->getReservedCodes();

        // First iterate: check all factory
        foreach ($reserved as $factoryClass => $reservedForFactory) {
            // Second iterate: check in each factory
            foreach ($reserved as $checkInFactory => $reservedInCheckFactory) {
                if ($checkInFactory == $factoryClass) {
                    continue;
                }

                if ($reservedInCheckFactory[0] >= $reservedForFactory[0] &&
                    $reservedInCheckFactory[0] <= $reservedForFactory[1]
                ) {
                    throw new \RuntimeException(sprintf(
                        'The reserved codes for factory "%s" [%d - %d] superimposed on "%s" factory [%d - %d].',
                        $checkInFactory,
                        $reservedInCheckFactory[0],
                        $reservedInCheckFactory[1],
                        $factoryClass,
                        $reservedForFactory[0],
                        $reservedForFactory[1]
                    ));
                }

                if ($reservedInCheckFactory[1] >= $reservedForFactory[0] &&
                    $reservedInCheckFactory[1] <= $reservedForFactory[1]
                ) {
                    throw new \RuntimeException(sprintf(
                        'The reserved codes for factory "%s" [%d - %d] superimposed on "%s" factory [%d - %d].',
                        $checkInFactory,
                        $reservedInCheckFactory[0],
                        $reservedInCheckFactory[1],
                        $factoryClass,
                        $reservedForFactory[0],
                        $reservedForFactory[1]
                    ));
                }
            }
        }
    }
Check reserved codes

@throws \Exception