Nul avec les array.

Bonjour,


Je suis EXTREMENT MAUVAIS lorsqu'il s'agit des classes et des array en PHP, pouvez-vous me dire comment récupérer la valeur de ["Date de livraison"] dans ma classe ?

J'ai essayé :
$classe["Date de livraison"]
$classe->"Date de livraison"

De plus je sais que "Date de livraison" est la 31eme valeur de la classe, comment récupérer la 31 ème valeur ? (sans passer par un foreach()....)
Par exemple $classe->31 ? ou $classe[31]...


Voila ci-dessous le contenu de ma classe.

object(stdClass)#100 (33) { ["id"]=> int(581) ["order_number"]=> string(3) "581" ["created_at"]=> string(20) "2017-10-06T15:12:03Z" ["updated_at"]=> string(20) "2017-10-06T15:12:03Z" ["completed_at"]=> string(20) "1970-01-01T00:00:00Z" ["status"]=> string(7) "on-hold" ["currency"]=> string(3) "EUR" ["total"]=> string(5) "30.20" ["subtotal"]=> string(5) "25.78" ["total_line_items_quantity"]=> int(8) ["total_tax"]=> string(4) "1.92" ["total_shipping"]=> string(4) "2.50" ["cart_tax"]=> string(4) "1.42" ["shipping_tax"]=> string(4) "0.50" ["total_discount"]=> string(4) "0.00" ["shipping_methods"]=> string(36) "Livraison par l'équipe du XXXXXXX" ["payment_details"]=> object(stdClass)#107 (3) { ["method_id"]=> string(4) "bacs" ["method_title"]=> string(17) "Virement bancaire" ["paid"]=> bool(false) } ["billing_address"]=> object(stdClass)#109 (11) { ["first_name"]=> string(7) "Prenom" ["last_name"]=> string(5) "NOm" ["company"]=> string(9) "Societe" ["address_1"]=> string(21) "ADRESSE" ["address_2"]=> string(0) "" ["city"]=> string(16) VILLE DU CLIENT" ["state"]=> string(0) "" ["postcode"]=> string(5) "13180" ["country"]=> string(2) "FR" ["email"]=> string(26) "email@gmail.com" ["phone"]=> string(10) "0601010101" } ["shipping_address"]=> object(stdClass)#108 (9) { ["first_name"]=> string(7) "Prenom" ["last_name"]=> string(5) "NOM FAMILLE" ["company"]=> string(9) "Compagnie" ["address_1"]=> string(21) "ADRESSE" ["address_2"]=> string(0) "" ["city"]=> string(16) "Gignac la Nerthe" ["state"]=> string(0) "" ["postcode"]=> string(5) "13180" ["country"]=> string(2) "FR" } ["note"]=> string(0) "" ["customer_ip"]=> string(14) "1.1.1.1.1" ["customer_user_agent"]=> string(115) "mozilla/5.0 (windows nt 10.0; win64; x64) applewebkit/537.36 (khtml, like gecko) chrome/61.0.3163.100 safari/537.36" ["customer_id"]=> int(1) ["view_order_url"]=> string(45) "http://URL DU SITE.COm/page" ["line_items"]=> array(1) { [0]=> object(stdClass)#106 (12) { ["id"]=> int(89) ["subtotal"]=> string(5) "25.78" ["subtotal_tax"]=> string(4) "1.42" ["total"]=> string(5) "25.78" ["total_tax"]=> string(4) "1.42" ["price"]=> string(4) "3.22" ["quantity"]=> int(8) ["tax_class"]=> string(11) "taux-reduit" ["name"]=> string(23) "Carotte BIO 1KG" ["product_id"]=> int(234) ["sku"]=> string(0) "" ["meta"]=> array(0) { } } } ["shipping_lines"]=> array(1) { [0]=> object(stdClass)#105 (4) { ["id"]=> int(90) ["method_id"]=> string(11) "flat_rate:4" ["method_title"]=> string(36) "Livraison par l'équipe XXXXXX" ["total"]=> string(4) "2.50" } } ["tax_lines"]=> array(2) { [0]=> object(stdClass)#104 (6) { ["id"]=> int(91) ["rate_id"]=> int(2) ["code"]=> string(32) "TVA RéDUITE 5,5% ALIMENTATION-1" ["title"]=> string(30) "TVA réduite 5,5% Alimentation" ["total"]=> string(4) "1.42" ["compound"]=> bool(false) } [1]=> object(stdClass)#103 (6) { ["id"]=> int(92) ["rate_id"]=> int(1) ["code"]=> string(21) "FR-TVA STANDARD 20%-1" ["title"]=> string(16) "TVA standard 20%" ["total"]=> string(4) "0.50" ["compound"]=> bool(false) } } ["fee_lines"]=> array(0) { } ["coupon_lines"]=> array(0) { } ["Date de livraison"]=> string(23) "mardi, 10 octobre, 2017" ["Créneau horaire"]=> string(13) "06:00 - 17:00" ["_orddd_timestamp"]=> string(10) "1507593600" ["customer"]=> object(stdClass)#102 (14) { ["id"]=> int(1) ["created_at"]=> string(20) "2017-08-31T10:57:09Z" ["email"]=> string(26) "florian.lopez@abyxo.agency" ["first_name"]=> string(7) "Prenom" ["last_name"]=> string(5) "Lopez" ["username"]=> string(11) "username" ["role"]=> string(13) "administrator" ["last_order_id"]=> int(581) ["last_order_date"]=> string(20) "2017-10-06T15:12:03Z" ["orders_count"]=> int(22) ["total_spent"]=> string(6) "211.10" ["avatar_url"]=> string(75) "http://2.gravatar.com/avatar/e36eb9787800f66cc5300351474a5453?s=96&d=mm&r=g" ["billing_address"]=> object(stdClass)#101 (11) { ["first_name"]=> string(7) "Prenom" ["last_name"]=> string(5) "NOM" ["company"]=> string(9) "ABYXO SAS" ["address_1"]=> string(21) "adresse complete" ["address_2"]=> string(0) "" ["city"]=> string(16) "VILLE DU CLIENT" ["state"]=> string(0) "" ["postcode"]=> string(5) "75000" ["country"]=> string(2) "FR" ["email"]=> string(26) "emailgmail.com" ["phone"]=> string(10) "0601010101" } ["shipping_address"]=> object(stdClass)#90 (9) { ["first_name"]=> string(7) "Prenom" ["last_name"]=> string(5) "NOM DE FAMILLE" ["company"]=> string(9) "Compagnie" ["address_1"]=> string(21) "Adresse complète" ["address_2"]=> string(0) "" ["city"]=> string(16) "VILLE" ["state"]=> string(0) "" ["postcode"]=> string(5) "75000" ["country"]=> string(2) "FR" } } }

Merci d'avance pour toute demarche pour m'aider...
Cordialment,
CM