Minimal annotation parser

MinimalAnnotationParser.php

<?php
/**
 * Minimal and very simple annotation parser.
 */ 
class AnnotationParser
{
    static $ANNOTATION_NAME = 1;
    static $ANNOTATION_VALUE = 2;
    static private $reflector;
 
    static public function parseMethod($class, $method)
    {
        self::$reflector = new \ReflectionMethod($class, $method);
        return self::parseAnnotation(self::$reflector->getDocComment());
    }

    static public function parseClass($class)
    {
        self::$reflector = new \ReflectionClass($class);
        $parsedData = [];
 
        foreach (self::$reflector->getMethods() as $method) {
            $parsedData[$method->getName()] = self::parseAnnotation($method->getDocComment());
        }
 
        return $parsedData;
    }
 
    static private function parseAnnotation($docBlock)
    {
        if (!$docBlock) {
            return null;
        }
 
        $rawAnnotations = $annotationTokens = $parsedAnnotations = [];
 
        if (!preg_match_all('/@(.*)/', $docBlock, $rawAnnotations)) {
            return null;
        }
 
        foreach ($rawAnnotations[1] as $annotation) {
            preg_match('/\\\\([\w]+)\{"([\/a-zA-Z\-]+)"}/', $annotation, $annotationTokens);
            $parsedAnnotations[$annotationTokens[self::$ANNOTATION_NAME]] = $annotationTokens[self::$ANNOTATION_VALUE];
        }
 
        return $parsedAnnotations;
    }
}