private function extractForProperty(\EasyRdf_Resource $property): string
    {
        $localName = $property->localName();
        $fromGoodRelations = $this->goodRelationsBridge->extractCardinality($localName);
        if (false !== $fromGoodRelations) {
            return $fromGoodRelations;
        }

        $comment = $property->get('rdfs:comment')->getValue();

        if (
            // http://schema.org/acceptedOffer, http://schema.org/acceptedPaymentMethod, http://schema.org/exerciseType
            preg_match('/\(s\)/', $comment)
            ||
            // http://schema.org/follows
            preg_match('/^The most generic uni-directional social relation./', $comment)
            ||
            preg_match('/one or more/i', $comment)
        ) {
            return self::CARDINALITY_0_N;
        }

        if (
            preg_match('/^is/', $localName)
        ||
            preg_match('/^The /', $comment)
        ) {
            return self::CARDINALITY_0_1;
        }

        return self::CARDINALITY_UNKNOWN;
    }
private function extractForProperty(\EasyRdf_Resource $property): string
    {
        $localName = $property->localName();
        $fromGoodRelations = $this->goodRelationsBridge->extractCardinality($localName);
        if (false !== $fromGoodRelations) {
            return $fromGoodRelations;
        }

        $comment = $property->get('rdfs:comment')->getValue();

        if (
            // http://schema.org/acceptedOffer, http://schema.org/acceptedPaymentMethod, http://schema.org/exerciseType
            preg_match('/\(s\)/', $comment)
            ||
            // http://schema.org/follows
            preg_match('/^The most generic uni-directional social relation./', $comment)
            ||
            preg_match('/one or more/i', $comment)
        ) {
            return self::CARDINALITY_0_N;
        }

        if (
            preg_match('/^is/', $localName)
        ||
            preg_match('/^The /', $comment)
        ) {
            return self::CARDINALITY_0_1;
        }

        return self::CARDINALITY_UNKNOWN;
    }
private function extractForProperty ( \ EasyRdf_Resource $ property ) : string { $ localName = $ property -> localName ( ) ; $ fromGoodRelations = $ this -> goodRelationsBridge -> extractCardinality ( $ localName ) ; if ( false !== $ fromGoodRelations ) { return $ fromGoodRelations ; } $ comment = $ property -> get ( 'rdfs:comment' ) -> getValue ( ) ; if ( // http://schema.org/acceptedOffer, http://schema.org/acceptedPaymentMethod, http://schema.org/exerciseType preg_match ( '/\(s\)/' , $ comment ) || // http://schema.org/follows preg_match ( '/^The most generic uni-directional social relation./' , $ comment ) || preg_match ( '/one or more/i' , $ comment ) ) { return self :: CARDINALITY_0_N ; } if ( preg_match ( '/^is/' , $ localName ) || preg_match ( '/^The /' , $ comment ) ) { return self :: CARDINALITY_0_1 ; } return self :: CARDINALITY_UNKNOWN ; }
Extracts the cardinality of a property.

Based on [Geraint Luff work](https://github.com/geraintluff/schema-org-gen).

@param \EasyRdf_Resource $property

@return string The cardinality
Extracts the cardinality of a property .