LeanMapper\Entity::get PHP Method

    protected function get($property, array $filterArgs = [])
    {
        if ($property instanceof Property) {
            $name = $property->getName();
        } else {
            $name = $property;
            $property = $this->getCurrentReflection()->getEntityProperty($name);
            if ($property === null) {
                throw new MemberAccessException("Cannot access undefined property '{$name}' in entity " . get_called_class() . '.');
            }
        }
        $pass = $property->getGetterPass();
        if ($property->isBasicType()) {
            $column = $property->getColumn();
            try {
                $value = $this->row->{$column};
            } catch (LeanMapperException $e) {
                if (!$property->isNullable()) {
                    throw new InvalidStateException("Cannot get value of property '{$property->getName()}' in entity " . get_called_class() . ' due to low-level failure: ' . $e->getMessage(), $e->getCode(), $e);
                }
                $value = null;
            }
            if ($pass !== null) {
                $value = $this->{$pass}($value);
            }
            if ($value === null) {
                if (!$property->isNullable()) {
                    throw new InvalidValueException("Property {$name} in entity " . get_called_class() . ' cannot be null.');
                }
                return $value;
            }
            if ($pass !== null) {
                return $value;
            }
            settype($value, $property->getType());
            if ($property->containsEnumeration() and !$property->isValueFromEnum($value)) {
                throw new InvalidValueException("Given value is not from possible values enumeration in property '{$property->getName()}' in entity " . get_called_class() . '.');
            }
            return $value;
        }
        // property doesn't contain basic type
        if ($property->hasRelationship()) {
            if ($this->entityFactory) {
                $implicitFilters = $this->createImplicitFilters($property->getType(), new Caller($this, $property));
                $firstFilters = $property->getFilters(0) ?: [];
                $relationship = $property->getRelationship();
                if ($relationship instanceof Relationship\HasMany) {
                    $secondFilters = $this->mergeFilters($property->getFilters(1) ?: [], $implicitFilters->getFilters());
                } else {
                    $firstFilters = $this->mergeFilters($firstFilters, $implicitFilters->getFilters());
                }
                if (!empty($firstFilters) or !empty($secondFilters)) {
                    if ($relationship instanceof Relationship\HasMany) {
                        $relationshipTableFiltering = !empty($firstFilters) ? new Filtering($firstFilters, $filterArgs, $this, $property, (array) $property->getFiltersTargetedArgs(0)) : null;
                        $targetTableFiltering = new Filtering($secondFilters, $filterArgs, $this, $property, array_merge($implicitFilters->getTargetedArgs(), (array) $property->getFiltersTargetedArgs(1)));
                    } else {
                        $targetTableFiltering = !empty($firstFilters) ? new Filtering($firstFilters, $filterArgs, $this, $property, array_merge($implicitFilters->getTargetedArgs(), (array) $property->getFiltersTargetedArgs(0))) : null;
                    }
                }
            }
            try {
                return $this->getValueByPropertyWithRelationship($property, isset($targetTableFiltering) ? $targetTableFiltering : null, isset($relationshipTableFiltering) ? $relationshipTableFiltering : null);
            } catch (LeanMapperException $e) {
                throw new InvalidStateException($e->getMessage(), $e->getCode(), $e);
            }
        }
        // property doesn't contain basic type and doesn't contain relationship
        $column = $property->getColumn();
        try {
            $value = $this->row->{$column};
        } catch (LeanMapperException $e) {
            throw new LeanMapperException("Cannot get value of property '{$property->getName()}' in entity " . get_called_class() . ' due to low-level failure: ' . $e->getMessage(), $e->getCode(), $e);
        }
        if ($pass !== null) {
            $value = $this->{$pass}($value);
        }
        if ($value === null) {
            if (!$property->isNullable()) {
                throw new InvalidValueException("Property '{$name}' in entity " . get_called_class() . " cannot be null.");
            }
            return $value;
        }
        // property doesn't contain basic type, doesn't contain relationship and doesn't contain null
        if (!$property->containsCollection()) {
            $type = $property->getType();
            if (!$value instanceof $type) {
                throw new InvalidValueException("Property '{$name}' in entity " . get_called_class() . " is expected to contain an instance of {$type}, " . (is_object($value) ? 'instance of ' . get_class($value) : gettype($value)) . " given.");
            }
            return $value;
        }
        if (!is_array($value)) {
            throw new InvalidValueException("Property '{$name}' in entity " . get_called_class() . " is expected to contain an array of {$property->getType()} instances.");
        }
        return $value;
    }