array(71) { [0]=> string(26) "_wpb_shortcodes_custom_css" [1]=> string(4) "_sku" [2]=> string(14) "_regular_price" [3]=> string(11) "_sale_price" [4]=> string(22) "_sale_price_dates_from" [5]=> string(20) "_sale_price_dates_to" [6]=> string(11) "total_sales" [7]=> string(11) "_tax_status" [8]=> string(10) "_tax_class" [9]=> string(13) "_manage_stock" [10]=> string(11) "_backorders" [11]=> string(17) "_low_stock_amount" [12]=> string(18) "_sold_individually" [13]=> string(7) "_weight" [14]=> string(7) "_length" [15]=> string(6) "_width" [16]=> string(7) "_height" [17]=> string(11) "_upsell_ids" [18]=> string(14) "_crosssell_ids" [19]=> string(14) "_purchase_note" [20]=> string(19) "_default_attributes" [21]=> string(8) "_virtual" [22]=> string(13) "_downloadable" [23]=> string(22) "_product_image_gallery" [24]=> string(15) "_download_limit" [25]=> string(16) "_download_expiry" [26]=> string(13) "_thumbnail_id" [27]=> string(6) "_stock" [28]=> string(13) "_stock_status" [29]=> string(18) "_wc_average_rating" [30]=> string(16) "_wc_rating_count" [31]=> string(16) "_wc_review_count" [32]=> string(19) "_downloadable_files" [33]=> string(19) "_product_attributes" [34]=> string(16) "_product_version" [35]=> string(6) "_price" [36]=> string(32) "_yoast_wpseo_primary_product_cat" [37]=> string(26) "_yoast_wpseo_content_score" [38]=> string(17) "_wpb_vc_js_status" [39]=> string(21) "_yoast_wpseo_metadesc" [40]=> string(18) "_yoast_wpseo_title" [41]=> string(10) "_unit_base" [42]=> string(13) "_unit_product" [43]=> string(16) "_unit_price_auto" [44]=> string(19) "_unit_price_regular" [45]=> string(11) "_unit_price" [46]=> string(16) "_unit_price_sale" [47]=> string(10) "_mini_desc" [48]=> string(14) "_free_shipping" [49]=> string(8) "_service" [50]=> string(22) "_differential_taxation" [51]=> string(8) "_ts_gtin" [52]=> string(7) "_ts_mpn" [53]=> string(12) "_product_url" [54]=> string(12) "_button_text" [55]=> string(9) "kursdauer" [56]=> string(10) "_kursdauer" [57]=> string(9) "sub-titel" [58]=> string(10) "_sub-titel" [59]=> string(20) "_yoast_wpseo_focuskw" [60]=> string(20) "_yoast_wpseo_linkdex" [61]=> string(10) "_edit_lock" [62]=> string(10) "_edit_last" [63]=> string(11) "_visibility" [64]=> string(5) "_unit" [65]=> string(11) "starttermin" [66]=> string(12) "_starttermin" [67]=> string(23) "_bj_lazy_load_skip_post" [68]=> string(17) "_sale_price_label" [69]=> string(25) "_sale_price_regular_label" [70]=> string(8) "_min_age" }