Craft\SeomaticService::getMetaFromElement PHP Method

    public function getMetaFromElement($element)
    {
        /* -- See if there is an 'entry' automagically put into this template, and if it contains an Seomatic_Meta */
        $entryMeta = null;
        if (isset($element) && $element) {
            $elemType = $element->getElementType();
            if ($elemType == ElementType::Entry || $elemType == "Commerce_Product" || $elemType == ElementType::Category) {
                $attributes = $element->content->attributes;
                foreach ($attributes as $key => $value) {
                    if (is_object($value) && property_exists($value, "elementType")) {
                        if ($value->elementType == "Seomatic_FieldMeta") {
                            if ($this->isFieldHandleInEntry($element, $key)) {
                                $entryMeta = $value;
                                $this->lastElement = $element;
                                /* -- If this is a Commerce Product, fill in some additional info */
                                if ($elemType == "Commerce_Product" && craft()->config->get("renderCommerceProductJSONLD", "seomatic")) {
                                    $commerceSettings = craft()->commerce_settings->getSettings();
                                    $variants = $element->getVariants();
                                    $commerceVariants = array();
                                    foreach ($variants as $variant) {
                                        $commerceVariant = array('seoProductDescription' => $variant->getDescription(), 'seoProductPrice' => number_format($variant->getPrice(), 2, '.', ''), 'seoProductCurrency' => $commerceSettings['defaultCurrency'], 'seoProductSku' => $variant->getSku());
                                        $commerceVariants[] = $commerceVariant;
                                    }
                                    if (!empty($commerceVariants)) {
                                        $entryMeta['seoCommerceVariants'] = $commerceVariants;
                                    }
                                }
                            }
                            /* -- Swap in any SEOmatic fields that are pulling from other entry fields */
                        }
                    }
                }
            }
        }
        return $entryMeta;
    }