AnnotationReader.php

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<?php
 
namespace Wikimedia\DebugInfo;
 
class AnnotationReader {
    private static $cache = [];
 
    public static function propertyHasAnnotation(
        \ReflectionProperty $property,
        string $annotationName
    ) {
        $cacheKey = "$annotationName@{$property->class}::{$property->name}";
        if ( !isset( self::$cache[$cacheKey] ) ) {
            $comment = $property->getDocComment();
            if ( $comment === false ) {
                self::$cache[$cacheKey] = false;
            } else {
                $encAnnotation = preg_quote( $annotationName, '!' );
                self::$cache[$cacheKey] =
                    (bool)preg_match( "!^[ \t]*(/\*\*|\*)[ \t]*@$encAnnotation\b!im", $comment );
            }
        }
        return self::$cache[$cacheKey];
    }
}