array(53) { [0]=> string(10) "_edit_lock" [1]=> string(10) "_edit_last" [2]=> string(11) "_visibility" [3]=> string(13) "_stock_status" [4]=> string(13) "_thumbnail_id" [5]=> string(5) "_unit" [6]=> string(10) "_unit_base" [7]=> string(13) "_unit_product" [8]=> string(16) "_unit_price_auto" [9]=> string(19) "_unit_price_regular" [10]=> string(11) "_unit_price" [11]=> string(16) "_unit_price_sale" [12]=> string(17) "_sale_price_label" [13]=> string(25) "_sale_price_regular_label" [14]=> string(10) "_mini_desc" [15]=> string(8) "_min_age" [16]=> string(14) "_free_shipping" [17]=> string(8) "_service" [18]=> string(22) "_differential_taxation" [19]=> string(8) "_ts_gtin" [20]=> string(7) "_ts_mpn" [21]=> string(11) "total_sales" [22]=> string(11) "_tax_status" [23]=> string(10) "_tax_class" [24]=> string(13) "_manage_stock" [25]=> string(11) "_backorders" [26]=> string(18) "_sold_individually" [27]=> string(8) "_virtual" [28]=> string(13) "_downloadable" [29]=> string(15) "_download_limit" [30]=> string(16) "_download_expiry" [31]=> string(6) "_stock" [32]=> string(18) "_wc_average_rating" [33]=> string(16) "_wc_review_count" [34]=> string(16) "_product_version" [35]=> string(9) "kursdauer" [36]=> string(10) "_kursdauer" [37]=> string(9) "sub-titel" [38]=> string(10) "_sub-titel" [39]=> string(11) "starttermin" [40]=> string(12) "_starttermin" [41]=> string(23) "_bj_lazy_load_skip_post" [42]=> string(17) "_wpb_vc_js_status" [43]=> string(26) "_wpb_shortcodes_custom_css" [44]=> string(26) "_yoast_wpseo_content_score" [45]=> string(14) "_regular_price" [46]=> string(11) "_upsell_ids" [47]=> string(6) "_price" [48]=> string(32) "_yoast_wpseo_primary_product_cat" [49]=> string(20) "_yoast_wpseo_focuskw" [50]=> string(21) "_yoast_wpseo_metadesc" [51]=> string(20) "_yoast_wpseo_linkdex" [52]=> string(4) "_sku" }