Abstract Class enabling examination of private properties and @var annotations.

AbstractClassReflectable.php

<?php 
class AbstractClassReflectable
{
    /**
     * @var \ReflectionClass
     */
    private $_reflector;
    private $_reflectedProperties;
    
    public function getProperties()
    {
        return array_map(function ($p) { 
            return $p->getName(); 
        }, $this->cacheProperties());
    }
    public function getTypes()
    {
        return array_reduce($this->cacheProperties(), function($rtArr, $p) {
            $rtArr[] = $this->getVarTypeCommentLine($p->getDocComment());
            return $rtArr;
        });
    }
    private function cacheProperties()
    {
        $reflector = $this->getReflector();
        if (!is_array($this->_reflectedProperties)) {
            $this->_reflectedProperties = array_filter(
                    $reflector->getProperties(), 
                    function($property) {
                        $name = $property->getName();
                        return (strpos($name, '_') === false);
                    });
        }
        return $this->_reflectedProperties;
    }
    private function getReflector()
    {
        if (get_class($this->_reflector) !== 'ReflectionClass') {
            $this->_reflector = new \ReflectionClass($this);
        }
        return $this->_reflector;
    }
    private function getVarTypeCommentLine($docblock)
    {
        $block = preg_split("/\n/", $docblock);
        $typeDeclarationLine = array_shift(array_filter($block, function($line) {
            return !!strpos($line, '@var');
        }));
        preg_match("/^([^@]*)(@var )(.*)$/", $typeDeclarationLine, $matches);
        return trim($matches[3]);
    }
}