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Страница 167 - гдз по физике 8 класс учебник Пёрышкин, Иванов
Авторы: Пёрышкин И. М., Иванов А. И.
Тип: Учебник
Издательство: Просвещение
Год издания: 2021 - 2022
Цвет обложки: белый
ISBN: 978-5-09-084611-0
Допущено Министерством просвещения Российской Федерации
Популярные ГДЗ в 8 классе
Cтраница 167
App\Models\BookPage {#1026 // resources/views/models/book_page/default.blade.php #connection: "mysql" #table: "book_pages" #primaryKey: "id" #keyType: "int" +incrementing: true #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:21 [ "id" => 1001264 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_page_start" => "167" "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/page-167" "field_display_title" => "167" "field_folder" => "1" "field_image_name" => "167" "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#333 #items: [] #escapeWhenCastingToString: false } "field_weight" => "0" "field_book_parent" => Illuminate\Database\Eloquent\Collection {#1031 #items: array:1 [ 0 => App\Models\Book {#1028 #connection: "mysql" #table: "books" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:50 [ "id" => 597 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_tree_default_status" => "tasks" "field_pages_status" => null "field_subject" => Illuminate\Database\Eloquent\Collection {#344 #items: array:1 [ 0 => App\Models\Term {#1025 #connection: "mysql" #table: "terms" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:10 [ …10] #original: array:10 [ …10] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ …1] } ] #escapeWhenCastingToString: false } "field_class" => Illuminate\Database\Eloquent\Collection {#335 #items: array:1 [ 0 => App\Models\Term {#1035 #connection: "mysql" #table: "terms" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:6 [ …6] #original: array:6 [ …6] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ …1] } ] #escapeWhenCastingToString: false } "field_publisher" => Illuminate\Database\Eloquent\Collection {#1032 #items: array:1 [ 0 => App\Models\Term {#1034 #connection: "mysql" #table: "terms" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:6 [ …6] #original: array:6 [ …6] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ …1] } ] #escapeWhenCastingToString: false } "field_author" => Illuminate\Database\Eloquent\Collection {#1036 #items: array:2 [ 0 => App\Models\Term {#1037 #connection: "mysql" #table: "terms" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:12 [ …12] #original: array:12 [ …12] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ …1] } 1 => App\Models\Term {#1038 #connection: "mysql" #table: "terms" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:12 [ …12] #original: array:12 [ …12] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ …1] } ] #escapeWhenCastingToString: false } "field_author_foreign" => Illuminate\Database\Eloquent\Collection {#1039 #items: [] #escapeWhenCastingToString: false } "field_book_type" => Illuminate\Database\Eloquent\Collection {#1040 #items: array:1 [ 0 => App\Models\Term {#1041 #connection: "mysql" #table: "terms" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:10 [ …10] #original: array:10 [ …10] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ …1] } ] #escapeWhenCastingToString: false } "field_country" => Illuminate\Database\Eloquent\Collection {#1042 #items: array:1 [ 0 => App\Models\Term {#1043 #connection: "mysql" #table: "terms" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:6 [ …6] #original: array:6 [ …6] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ …1] } ] #escapeWhenCastingToString: false } "field_city" => Illuminate\Database\Eloquent\Collection {#1044 #items: array:1 [ 0 => App\Models\Term {#1045 #connection: "mysql" #table: "terms" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:6 [ …6] #original: array:6 [ …6] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ …1] } ] #escapeWhenCastingToString: false } "field_series" => Illuminate\Database\Eloquent\Collection {#1046 #items: [] #escapeWhenCastingToString: false } "field_umk" => Illuminate\Database\Eloquent\Collection {#1047 #items: [] #escapeWhenCastingToString: false } "field_level_of_education" => Illuminate\Database\Eloquent\Collection {#1048 #items: [] #escapeWhenCastingToString: false } "field_standart_of_education" => Illuminate\Database\Eloquent\Collection {#1049 #items: array:1 [ 0 => App\Models\Term {#1050 #connection: "mysql" #table: "terms" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:10 [ …10] #original: array:10 [ …10] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ …1] } ] #escapeWhenCastingToString: false } "field_publication_number" => null "field_publication_type" => Illuminate\Database\Eloquent\Collection {#1051 #items: [] #escapeWhenCastingToString: false } "field_under_the_edition" => Illuminate\Database\Eloquent\Collection {#1052 #items: [] #escapeWhenCastingToString: false } "field_under_the_edition_degree" => null "field_cover_description" => null "field_publication_year" => "2021" "field_publication_year_until" => "2022" "field_part" => "" "field_part_writing" => "" "field_second_foreign_language" => null "field_for_whom" => null "field_allowed" => "Допущено Министерством просвещения Российской Федерации" "field_reserve_field" => null "field_link_to_source" => null "field_tasks_count" => "704" "field_priority" => "4" "field_default_folder" => "/fizika_08/Peryshkin-u21/" "field_isbn" => "978-5-09-084611-0" "field_cover" => array:1 [ 0 => "/media/fizika_08/Peryshkin-u21/covers/cover1.webp?ts=1746809194" ] "field_cover_alts" => array:1 [ 0 => "" ] "field_covers" => array:1 [ 0 => array:4 [ "path" => "/media/fizika_08/Peryshkin-u21/covers/cover1.webp?ts=1746809194" "alt" => "" "width" => "1200" "height" => "1576" ] ] "field_popular_book" => null "field_recommended_books" => Illuminate\Database\Eloquent\Collection {#1053 #items: [] #escapeWhenCastingToString: false } "field_new_book" => Illuminate\Database\Eloquent\Collection {#1054 #items: [] #escapeWhenCastingToString: false } "field_old_book" => Illuminate\Database\Eloquent\Collection {#1055 #items: [] #escapeWhenCastingToString: false } "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021" "field_cover_color" => Illuminate\Database\Eloquent\Collection {#1056 #items: array:1 [ 0 => App\Models\Term {#1057 #connection: "mysql" #table: "terms" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:6 [ …6] #original: array:6 [ …6] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ …1] } ] #escapeWhenCastingToString: false } "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "breadcrumbs" => array:3 [ "class" => 379 "subject" => 556 "class_subject" => 492 ] ] #original: array:50 [ "id" => 597 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_tree_default_status" => "tasks" "field_pages_status" => null "field_subject" => Illuminate\Database\Eloquent\Collection {#344} "field_class" => Illuminate\Database\Eloquent\Collection {#335} "field_publisher" => Illuminate\Database\Eloquent\Collection {#1032} "field_author" => Illuminate\Database\Eloquent\Collection {#1036} "field_author_foreign" => Illuminate\Database\Eloquent\Collection {#1039} "field_book_type" => Illuminate\Database\Eloquent\Collection {#1040} "field_country" => Illuminate\Database\Eloquent\Collection {#1042} "field_city" => Illuminate\Database\Eloquent\Collection {#1044} "field_series" => Illuminate\Database\Eloquent\Collection {#1046} "field_umk" => Illuminate\Database\Eloquent\Collection {#1047} "field_level_of_education" => Illuminate\Database\Eloquent\Collection {#1048} "field_standart_of_education" => Illuminate\Database\Eloquent\Collection {#1049} "field_publication_number" => null "field_publication_type" => Illuminate\Database\Eloquent\Collection {#1051} "field_under_the_edition" => Illuminate\Database\Eloquent\Collection {#1052} "field_under_the_edition_degree" => null "field_cover_description" => null "field_publication_year" => "2021" "field_publication_year_until" => "2022" "field_part" => "" "field_part_writing" => "" "field_second_foreign_language" => null "field_for_whom" => null "field_allowed" => "Допущено Министерством просвещения Российской Федерации" "field_reserve_field" => null "field_link_to_source" => null "field_tasks_count" => "704" "field_priority" => "4" "field_default_folder" => "/fizika_08/Peryshkin-u21/" "field_isbn" => "978-5-09-084611-0" "field_cover" => array:1 [ 0 => "/media/fizika_08/Peryshkin-u21/covers/cover1.webp?ts=1746809194" ] "field_cover_alts" => array:1 [ 0 => "" ] "field_covers" => array:1 [ 0 => array:4 [ "path" => "/media/fizika_08/Peryshkin-u21/covers/cover1.webp?ts=1746809194" "alt" => "" "width" => "1200" "height" => "1576" ] ] "field_popular_book" => null "field_recommended_books" => Illuminate\Database\Eloquent\Collection {#1053} "field_new_book" => Illuminate\Database\Eloquent\Collection {#1054} "field_old_book" => Illuminate\Database\Eloquent\Collection {#1055} "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021" "field_cover_color" => Illuminate\Database\Eloquent\Collection {#1056} "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "breadcrumbs" => array:3 [ "class" => 379 "subject" => 556 "class_subject" => 492 ] ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } ] #escapeWhenCastingToString: false } "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "edition_groups" => Illuminate\Database\Eloquent\Collection {#1058 #items: [] #escapeWhenCastingToString: false } "content" => Illuminate\Database\Eloquent\Collection {#1059 #items: array:1 [ 0 => App\Models\Element {#1060 #connection: "mysql" #table: "elements" #primaryKey: "id" #keyType: "int" +incrementing: true #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:6 [ "id" => 1178985 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "edition" => Illuminate\Database\Eloquent\Collection {#1061 #items: array:1 [ 0 => App\Models\Edition {#1062 #connection: "mysql" #table: "editions" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:21 [ …21] #original: array:21 [ …21] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ …1] } ] #escapeWhenCastingToString: false } "book_page" => array:2 [ "refs" => "1001264" "type" => "book_page" ] "img" => array:1 [ 0 => array:5 [ "name" => "167-1.jpg" "alt" => null "width" => "2037" "height" => 2616 "path" => "/media/fizika_08/Peryshkin-u21/0-1/167-1.webp?ts=1747125466" ] ] ] #original: array:6 [ "id" => 1178985 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "edition" => Illuminate\Database\Eloquent\Collection {#1061} "book_page" => array:2 [ "refs" => "1001264" "type" => "book_page" ] "img" => array:1 [ 0 => array:5 [ "name" => "167-1.jpg" "alt" => null "width" => "2037" "height" => 2616 "path" => "/media/fizika_08/Peryshkin-u21/0-1/167-1.webp?ts=1747125466" ] ] ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } ] #escapeWhenCastingToString: false } "next" => Illuminate\Database\Eloquent\Collection {#5159 #items: array:1 [ 0 => App\Models\BookPage {#5113 #connection: "mysql" #table: "book_pages" #primaryKey: "id" #keyType: "int" +incrementing: true #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:21 [ "id" => 1001265 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_page_start" => "168" "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/page-168" "field_display_title" => "168" "field_folder" => "1" "field_image_name" => "168" "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#5116 #items: [] #escapeWhenCastingToString: false } "field_weight" => "0" "field_book_parent" => Illuminate\Database\Eloquent\Collection {#5114 #items: array:1 [ 0 => App\Models\Book {#5117 #connection: "mysql" #table: "books" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:50 [ …50] #original: array:50 [ …50] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ …1] } ] #escapeWhenCastingToString: false } "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "edition_groups" => Illuminate\Database\Eloquent\Collection {#5146 #items: [] #escapeWhenCastingToString: false } "content" => Illuminate\Database\Eloquent\Collection {#5147 #items: array:1 [ 0 => App\Models\Element {#5148 #connection: "mysql" #table: "elements" #primaryKey: "id" #keyType: "int" +incrementing: true #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:6 [ …6] #original: array:6 [ …6] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ …1] } ] #escapeWhenCastingToString: false } "next" => array:2 [ "refs" => "1001266" "type" => "book_page" ] "previous" => array:2 [ "refs" => "1001264" "type" => "book_page" ] "tasks" => Illuminate\Database\Eloquent\Collection {#5156 #items: [] #escapeWhenCastingToString: false } ] #original: array:21 [ "id" => 1001265 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_page_start" => "168" "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/page-168" "field_display_title" => "168" "field_folder" => "1" "field_image_name" => "168" "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#5116} "field_weight" => "0" "field_book_parent" => Illuminate\Database\Eloquent\Collection {#5114} "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "edition_groups" => Illuminate\Database\Eloquent\Collection {#5146} "content" => Illuminate\Database\Eloquent\Collection {#5147} "next" => array:2 [ "refs" => "1001266" "type" => "book_page" ] "previous" => array:2 [ "refs" => "1001264" "type" => "book_page" ] "tasks" => Illuminate\Database\Eloquent\Collection {#5156} ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } ] #escapeWhenCastingToString: false } "previous" => Illuminate\Database\Eloquent\Collection {#5115 #items: array:1 [ 0 => App\Models\BookPage {#5070 #connection: "mysql" #table: "book_pages" #primaryKey: "id" #keyType: "int" +incrementing: true #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:21 [ "id" => 1001263 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_page_start" => "166" "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/page-166" "field_display_title" => "166" "field_folder" => "1" "field_image_name" => "166" "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#5066 #items: [] #escapeWhenCastingToString: false } "field_weight" => "0" "field_book_parent" => Illuminate\Database\Eloquent\Collection {#5073 #items: array:1 [ 0 => App\Models\Book {#5072 #connection: "mysql" #table: "books" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:50 [ …50] #original: array:50 [ …50] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] …12 } ] #escapeWhenCastingToString: false } "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "edition_groups" => Illuminate\Database\Eloquent\Collection {#5102 #items: [] #escapeWhenCastingToString: false } "content" => Illuminate\Database\Eloquent\Collection {#5103 #items: array:1 [ 0 => App\Models\Element {#5104 …30} ] #escapeWhenCastingToString: false } "next" => array:2 [ "refs" => "1001264" "type" => "book_page" ] "previous" => array:2 [ "refs" => "1001262" "type" => "book_page" ] "tasks" => Illuminate\Database\Eloquent\Collection {#5112 #items: [] #escapeWhenCastingToString: false } ] #original: array:21 [ "id" => 1001263 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_page_start" => "166" "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/page-166" "field_display_title" => "166" "field_folder" => "1" "field_image_name" => "166" "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#5066} "field_weight" => "0" "field_book_parent" => Illuminate\Database\Eloquent\Collection {#5073} "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "edition_groups" => Illuminate\Database\Eloquent\Collection {#5102} "content" => Illuminate\Database\Eloquent\Collection {#5103} "next" => array:2 [ "refs" => "1001264" "type" => "book_page" ] "previous" => array:2 [ "refs" => "1001262" "type" => "book_page" ] "tasks" => Illuminate\Database\Eloquent\Collection {#5112} ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } ] #escapeWhenCastingToString: false } "tasks" => Illuminate\Database\Eloquent\Collection {#1068 #items: array:14 [ 0 => App\Models\Task {#1069 #connection: "mysql" #table: "tasks" #primaryKey: "id" #keyType: "int" +incrementing: true #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:24 [ "id" => 1000870 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_page_start" => "167" "field_page_end" => null "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/46-1-1" "field_display_title" => "1" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#1070 #items: array:1 [ 0 => App\Models\Term {#1071 …30} ] #escapeWhenCastingToString: false } "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "field_match" => null "breadcrumbs" => [] "edition_groups" => Illuminate\Database\Eloquent\Collection {#1072 #items: [] #escapeWhenCastingToString: false } "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1073 #items: array:1 [ 0 => App\Models\Branch {#1074 …30} ] #escapeWhenCastingToString: false } "parent_branches" => Illuminate\Database\Eloquent\Collection {#1108 #items: array:3 [ 0 => App\Models\Branch {#1109 …30} 1 => App\Models\Branch {#1114 …30} 2 => App\Models\Branch {#1118 …30} ] #escapeWhenCastingToString: false } "content" => Illuminate\Database\Eloquent\Collection {#1160 #items: array:3 [ 0 => App\Models\Element {#1161 …30} 1 => App\Models\Element {#1163 …30} 2 => App\Models\Element {#1171 …30} ] #escapeWhenCastingToString: false } "next" => array:2 [ "refs" => "1000871" "type" => "task" ] "previous" => array:2 [ "refs" => "1000869" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#1179 #items: array:1 [ 0 => App\Models\Book {#1028} ] #escapeWhenCastingToString: false } "page" => array:2 [ "refs" => "1001264" "type" => "book_page" ] ] #original: array:24 [ "id" => 1000870 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_page_start" => "167" "field_page_end" => null "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/46-1-1" "field_display_title" => "1" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#1070} "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "field_match" => null "breadcrumbs" => [] "edition_groups" => Illuminate\Database\Eloquent\Collection {#1072} "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1073} "parent_branches" => Illuminate\Database\Eloquent\Collection {#1108} "content" => Illuminate\Database\Eloquent\Collection {#1160} "next" => array:2 [ "refs" => "1000871" "type" => "task" ] "previous" => array:2 [ "refs" => "1000869" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#1179} "page" => array:2 [ "refs" => "1001264" "type" => "book_page" ] ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } 1 => App\Models\Task {#1180 #connection: "mysql" #table: "tasks" #primaryKey: "id" #keyType: "int" +incrementing: true #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:24 [ "id" => 1000871 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_page_start" => "167" "field_page_end" => null "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/46-1-2" "field_display_title" => "2" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#1181 #items: array:1 [ 0 => App\Models\Term {#1071 …30} ] #escapeWhenCastingToString: false } "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "field_match" => null "breadcrumbs" => [] "edition_groups" => Illuminate\Database\Eloquent\Collection {#1182 #items: [] #escapeWhenCastingToString: false } "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1183 #items: array:1 [ 0 => App\Models\Branch {#1109 …30} ] #escapeWhenCastingToString: false } "parent_branches" => Illuminate\Database\Eloquent\Collection {#1184 #items: array:3 [ 0 => App\Models\Branch {#1109 …30} 1 => App\Models\Branch {#1114 …30} 2 => App\Models\Branch {#1118 …30} ] #escapeWhenCastingToString: false } "content" => Illuminate\Database\Eloquent\Collection {#1185 #items: array:3 [ 0 => App\Models\Element {#1186 …30} 1 => App\Models\Element {#1188 …30} 2 => App\Models\Element {#1190 …30} ] #escapeWhenCastingToString: false } "next" => array:2 [ "refs" => "1000872" "type" => "task" ] "previous" => array:2 [ "refs" => "1000870" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#1192 #items: array:1 [ 0 => App\Models\Book {#1028} ] #escapeWhenCastingToString: false } "page" => array:2 [ "refs" => "1001264" "type" => "book_page" ] ] #original: array:24 [ "id" => 1000871 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_page_start" => "167" "field_page_end" => null "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/46-1-2" "field_display_title" => "2" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#1181} "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "field_match" => null "breadcrumbs" => [] "edition_groups" => Illuminate\Database\Eloquent\Collection {#1182} "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1183} "parent_branches" => Illuminate\Database\Eloquent\Collection {#1184} "content" => Illuminate\Database\Eloquent\Collection {#1185} "next" => array:2 [ "refs" => "1000872" "type" => "task" ] "previous" => array:2 [ "refs" => "1000870" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#1192} "page" => array:2 [ "refs" => "1001264" "type" => "book_page" ] ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } 2 => App\Models\Task {#1193 #connection: "mysql" #table: "tasks" #primaryKey: "id" #keyType: "int" +incrementing: true #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:24 [ "id" => 1000872 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_page_start" => "167" "field_page_end" => null "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/46-1-3" "field_display_title" => "3" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#1194 #items: array:1 [ 0 => App\Models\Term {#1071 …30} ] #escapeWhenCastingToString: false } "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "field_match" => null "breadcrumbs" => [] "edition_groups" => Illuminate\Database\Eloquent\Collection {#1195 #items: [] #escapeWhenCastingToString: false } "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1196 #items: array:1 [ 0 => App\Models\Branch {#1109 …30} ] #escapeWhenCastingToString: false } "parent_branches" => Illuminate\Database\Eloquent\Collection {#1197 #items: array:3 [ 0 => App\Models\Branch {#1109 …30} 1 => App\Models\Branch {#1114 …30} 2 => App\Models\Branch {#1118 …30} ] #escapeWhenCastingToString: false } "content" => Illuminate\Database\Eloquent\Collection {#1198 #items: array:3 [ 0 => App\Models\Element {#1199 …30} 1 => App\Models\Element {#1201 …30} 2 => App\Models\Element {#1203 …30} ] #escapeWhenCastingToString: false } "next" => array:2 [ "refs" => "1000873" "type" => "task" ] "previous" => array:2 [ "refs" => "1000871" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#1205 #items: array:1 [ 0 => App\Models\Book {#1028} ] #escapeWhenCastingToString: false } "page" => array:2 [ "refs" => "1001264" "type" => "book_page" ] ] #original: array:24 [ "id" => 1000872 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_page_start" => "167" "field_page_end" => null "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/46-1-3" "field_display_title" => "3" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#1194} "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "field_match" => null "breadcrumbs" => [] "edition_groups" => Illuminate\Database\Eloquent\Collection {#1195} "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1196} "parent_branches" => Illuminate\Database\Eloquent\Collection {#1197} "content" => Illuminate\Database\Eloquent\Collection {#1198} "next" => array:2 [ "refs" => "1000873" "type" => "task" ] "previous" => array:2 [ "refs" => "1000871" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#1205} "page" => array:2 [ "refs" => "1001264" "type" => "book_page" ] ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } 3 => App\Models\Task {#1206 #connection: "mysql" #table: "tasks" #primaryKey: "id" #keyType: "int" +incrementing: true #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:24 [ "id" => 1000873 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_page_start" => "167" "field_page_end" => null "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/46-1-4" "field_display_title" => "4" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#1207 #items: array:1 [ 0 => App\Models\Term {#1071 …30} ] #escapeWhenCastingToString: false } "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "field_match" => null "breadcrumbs" => [] "edition_groups" => Illuminate\Database\Eloquent\Collection {#1208 #items: [] #escapeWhenCastingToString: false } "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1209 #items: array:1 [ 0 => App\Models\Branch {#1109 …30} ] #escapeWhenCastingToString: false } "parent_branches" => Illuminate\Database\Eloquent\Collection {#1210 #items: array:3 [ 0 => App\Models\Branch {#1109 …30} 1 => App\Models\Branch {#1114 …30} 2 => App\Models\Branch {#1118 …30} ] #escapeWhenCastingToString: false } "content" => Illuminate\Database\Eloquent\Collection {#1211 #items: array:3 [ 0 => App\Models\Element {#1212 …30} 1 => App\Models\Element {#1214 …30} 2 => App\Models\Element {#1216 …30} ] #escapeWhenCastingToString: false } "next" => array:2 [ "refs" => "1000874" "type" => "task" ] "previous" => array:2 [ "refs" => "1000872" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#1218 #items: array:1 [ 0 => App\Models\Book {#1028} ] #escapeWhenCastingToString: false } "page" => array:2 [ "refs" => "1001264" "type" => "book_page" ] ] #original: array:24 [ "id" => 1000873 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_page_start" => "167" "field_page_end" => null "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/46-1-4" "field_display_title" => "4" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#1207} "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "field_match" => null "breadcrumbs" => [] "edition_groups" => Illuminate\Database\Eloquent\Collection {#1208} "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1209} "parent_branches" => Illuminate\Database\Eloquent\Collection {#1210} "content" => Illuminate\Database\Eloquent\Collection {#1211} "next" => array:2 [ "refs" => "1000874" "type" => "task" ] "previous" => array:2 [ "refs" => "1000872" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#1218} "page" => array:2 [ "refs" => "1001264" "type" => "book_page" ] ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } 4 => App\Models\Task {#1219 #connection: "mysql" #table: "tasks" #primaryKey: "id" #keyType: "int" +incrementing: true #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:24 [ "id" => 1000874 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_page_start" => "167" "field_page_end" => null "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/46-1-5" "field_display_title" => "5" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#1220 #items: array:1 [ 0 => App\Models\Term {#1071 …30} ] #escapeWhenCastingToString: false } "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "field_match" => null "breadcrumbs" => [] "edition_groups" => Illuminate\Database\Eloquent\Collection {#1221 #items: [] #escapeWhenCastingToString: false } "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1222 #items: array:1 [ 0 => App\Models\Branch {#1109 …30} ] #escapeWhenCastingToString: false } "parent_branches" => Illuminate\Database\Eloquent\Collection {#1223 #items: array:3 [ 0 => App\Models\Branch {#1109 …30} 1 => App\Models\Branch {#1114 …30} 2 => App\Models\Branch {#1118 …30} ] #escapeWhenCastingToString: false } "content" => Illuminate\Database\Eloquent\Collection {#1224 #items: array:3 [ 0 => App\Models\Element {#1225 …30} 1 => App\Models\Element {#1227 …30} 2 => App\Models\Element {#1229 …30} ] #escapeWhenCastingToString: false } "next" => array:2 [ "refs" => "1000875" "type" => "task" ] "previous" => array:2 [ "refs" => "1000873" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#1231 #items: array:1 [ 0 => App\Models\Book {#1028} ] #escapeWhenCastingToString: false } "page" => array:2 [ "refs" => "1001264" "type" => "book_page" ] ] #original: array:24 [ "id" => 1000874 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_page_start" => "167" "field_page_end" => null "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/46-1-5" "field_display_title" => "5" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#1220} "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "field_match" => null "breadcrumbs" => [] "edition_groups" => Illuminate\Database\Eloquent\Collection {#1221} "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1222} "parent_branches" => Illuminate\Database\Eloquent\Collection {#1223} "content" => Illuminate\Database\Eloquent\Collection {#1224} "next" => array:2 [ "refs" => "1000875" "type" => "task" ] "previous" => array:2 [ "refs" => "1000873" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#1231} "page" => array:2 [ "refs" => "1001264" "type" => "book_page" ] ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } 5 => App\Models\Task {#1232 #connection: "mysql" #table: "tasks" #primaryKey: "id" #keyType: "int" +incrementing: true #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:24 [ "id" => 1000875 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_page_start" => "167" "field_page_end" => null "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/46-1-6" "field_display_title" => "6" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#1233 #items: array:1 [ 0 => App\Models\Term {#1071 …30} ] #escapeWhenCastingToString: false } "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "field_match" => null "breadcrumbs" => [] "edition_groups" => Illuminate\Database\Eloquent\Collection {#1234 #items: [] #escapeWhenCastingToString: false } "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1235 #items: array:1 [ 0 => App\Models\Branch {#1109 …30} ] #escapeWhenCastingToString: false } "parent_branches" => Illuminate\Database\Eloquent\Collection {#1236 #items: array:3 [ 0 => App\Models\Branch {#1109 …30} 1 => App\Models\Branch {#1114 …30} 2 => App\Models\Branch {#1118 …30} ] #escapeWhenCastingToString: false } "content" => Illuminate\Database\Eloquent\Collection {#1237 #items: array:3 [ 0 => App\Models\Element {#1238 …30} 1 => App\Models\Element {#1240 …30} 2 => App\Models\Element {#1242 …30} ] #escapeWhenCastingToString: false } "next" => array:2 [ "refs" => "1000876" "type" => "task" ] "previous" => array:2 [ "refs" => "1000874" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#1244 #items: array:1 [ 0 => App\Models\Book {#1028} ] #escapeWhenCastingToString: false } "page" => array:2 [ "refs" => "1001264" "type" => "book_page" ] ] #original: array:24 [ "id" => 1000875 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_page_start" => "167" "field_page_end" => null "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/46-1-6" "field_display_title" => "6" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#1233} "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "field_match" => null "breadcrumbs" => [] "edition_groups" => Illuminate\Database\Eloquent\Collection {#1234} "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1235} "parent_branches" => Illuminate\Database\Eloquent\Collection {#1236} "content" => Illuminate\Database\Eloquent\Collection {#1237} "next" => array:2 [ "refs" => "1000876" "type" => "task" ] "previous" => array:2 [ "refs" => "1000874" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#1244} "page" => array:2 [ "refs" => "1001264" "type" => "book_page" ] ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } 6 => App\Models\Task {#1245 #connection: "mysql" #table: "tasks" #primaryKey: "id" #keyType: "int" +incrementing: true #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:24 [ "id" => 1000876 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_page_start" => "167" "field_page_end" => null "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/46-2-1" "field_display_title" => "1" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#1246 #items: array:1 [ 0 => App\Models\Term {#1071 …30} ] #escapeWhenCastingToString: false } "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "field_match" => null "breadcrumbs" => [] "edition_groups" => Illuminate\Database\Eloquent\Collection {#1247 #items: [] #escapeWhenCastingToString: false } "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1248 #items: array:1 [ 0 => App\Models\Branch {#1109 …30} ] #escapeWhenCastingToString: false } "parent_branches" => Illuminate\Database\Eloquent\Collection {#1249 #items: array:3 [ 0 => App\Models\Branch {#1250 …30} 1 => App\Models\Branch {#1284 …30} 2 => App\Models\Branch {#1351 …30} ] #escapeWhenCastingToString: false } "content" => Illuminate\Database\Eloquent\Collection {#1393 #items: array:3 [ 0 => App\Models\Element {#1394 …30} 1 => App\Models\Element {#1396 …30} 2 => App\Models\Element {#1398 …30} ] #escapeWhenCastingToString: false } "next" => array:2 [ "refs" => "1000877" "type" => "task" ] "previous" => array:2 [ "refs" => "1000875" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#1400 #items: array:1 [ 0 => App\Models\Book {#1028} ] #escapeWhenCastingToString: false } "page" => array:2 [ "refs" => "1001264" "type" => "book_page" ] ] #original: array:24 [ "id" => 1000876 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_page_start" => "167" "field_page_end" => null "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/46-2-1" "field_display_title" => "1" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#1246} "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "field_match" => null "breadcrumbs" => [] "edition_groups" => Illuminate\Database\Eloquent\Collection {#1247} "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1248} "parent_branches" => Illuminate\Database\Eloquent\Collection {#1249} "content" => Illuminate\Database\Eloquent\Collection {#1393} "next" => array:2 [ "refs" => "1000877" "type" => "task" ] "previous" => array:2 [ "refs" => "1000875" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#1400} "page" => array:2 [ "refs" => "1001264" "type" => "book_page" ] ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } 7 => App\Models\Task {#1401 #connection: "mysql" #table: "tasks" #primaryKey: "id" #keyType: "int" +incrementing: true #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:24 [ "id" => 1000877 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_page_start" => "167" "field_page_end" => null "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/46-2-2" "field_display_title" => "2" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#1402 #items: array:1 [ 0 => App\Models\Term {#1071 …30} ] #escapeWhenCastingToString: false } "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "field_match" => null "breadcrumbs" => [] "edition_groups" => Illuminate\Database\Eloquent\Collection {#1403 #items: [] #escapeWhenCastingToString: false } "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1404 #items: array:1 [ 0 => App\Models\Branch {#1250 …30} ] #escapeWhenCastingToString: false } "parent_branches" => Illuminate\Database\Eloquent\Collection {#1405 #items: array:3 [ 0 => App\Models\Branch {#1250 …30} 1 => App\Models\Branch {#1284 …30} 2 => App\Models\Branch {#1351 …30} ] #escapeWhenCastingToString: false } "content" => Illuminate\Database\Eloquent\Collection {#1406 #items: array:3 [ 0 => App\Models\Element {#1407 …30} 1 => App\Models\Element {#1409 …30} 2 => App\Models\Element {#1411 …30} ] #escapeWhenCastingToString: false } "next" => array:2 [ "refs" => "1000878" "type" => "task" ] "previous" => array:2 [ "refs" => "1000876" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#1413 #items: array:1 [ 0 => App\Models\Book {#1028} ] #escapeWhenCastingToString: false } "page" => array:2 [ "refs" => "1001264" "type" => "book_page" ] ] #original: array:24 [ "id" => 1000877 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_page_start" => "167" "field_page_end" => null "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/46-2-2" "field_display_title" => "2" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#1402} "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "field_match" => null "breadcrumbs" => [] "edition_groups" => Illuminate\Database\Eloquent\Collection {#1403} "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1404} "parent_branches" => Illuminate\Database\Eloquent\Collection {#1405} "content" => Illuminate\Database\Eloquent\Collection {#1406} "next" => array:2 [ "refs" => "1000878" "type" => "task" ] "previous" => array:2 [ "refs" => "1000876" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#1413} "page" => array:2 [ "refs" => "1001264" "type" => "book_page" ] ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } 8 => App\Models\Task {#1414 #connection: "mysql" #table: "tasks" #primaryKey: "id" #keyType: "int" +incrementing: true #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:24 [ "id" => 1000878 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_page_start" => "167" "field_page_end" => null "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/46-2-3" "field_display_title" => "3" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#1415 #items: array:1 [ 0 => App\Models\Term {#1071 …30} ] #escapeWhenCastingToString: false } "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "field_match" => null "breadcrumbs" => [] "edition_groups" => Illuminate\Database\Eloquent\Collection {#1416 #items: [] #escapeWhenCastingToString: false } "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1417 #items: array:1 [ 0 => App\Models\Branch {#1250 …30} ] #escapeWhenCastingToString: false } "parent_branches" => Illuminate\Database\Eloquent\Collection {#1418 #items: array:3 [ 0 => App\Models\Branch {#1250 …30} 1 => App\Models\Branch {#1284 …30} 2 => App\Models\Branch {#1351 …30} ] #escapeWhenCastingToString: false } "content" => Illuminate\Database\Eloquent\Collection {#1419 #items: array:3 [ 0 => App\Models\Element {#1420 …30} 1 => App\Models\Element {#1422 …30} 2 => App\Models\Element {#1424 …30} ] #escapeWhenCastingToString: false } "next" => array:2 [ "refs" => "1000879" "type" => "task" ] "previous" => array:2 [ "refs" => "1000877" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#1426 #items: array:1 [ 0 => App\Models\Book {#1028} ] #escapeWhenCastingToString: false } "page" => array:2 [ "refs" => "1001264" "type" => "book_page" ] ] #original: array:24 [ "id" => 1000878 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_page_start" => "167" "field_page_end" => null "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/46-2-3" "field_display_title" => "3" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#1415} "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "field_match" => null "breadcrumbs" => [] "edition_groups" => Illuminate\Database\Eloquent\Collection {#1416} "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1417} "parent_branches" => Illuminate\Database\Eloquent\Collection {#1418} "content" => Illuminate\Database\Eloquent\Collection {#1419} "next" => array:2 [ "refs" => "1000879" "type" => "task" ] "previous" => array:2 [ "refs" => "1000877" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#1426} "page" => array:2 [ "refs" => "1001264" "type" => "book_page" ] ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } 9 => App\Models\Task {#1427 #connection: "mysql" #table: "tasks" #primaryKey: "id" #keyType: "int" +incrementing: true #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:24 [ "id" => 1000879 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_page_start" => "167" "field_page_end" => null "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/46-2-4" "field_display_title" => "4" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#1428 #items: array:1 [ 0 => App\Models\Term {#1071 …30} ] #escapeWhenCastingToString: false } "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "field_match" => null "breadcrumbs" => [] "edition_groups" => Illuminate\Database\Eloquent\Collection {#1429 #items: [] #escapeWhenCastingToString: false } "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1430 #items: array:1 [ 0 => App\Models\Branch {#1250 …30} ] #escapeWhenCastingToString: false } "parent_branches" => Illuminate\Database\Eloquent\Collection {#1431 #items: array:3 [ 0 => App\Models\Branch {#1250 …30} 1 => App\Models\Branch {#1284 …30} 2 => App\Models\Branch {#1351 …30} ] #escapeWhenCastingToString: false } "content" => Illuminate\Database\Eloquent\Collection {#1432 #items: array:3 [ 0 => App\Models\Element {#1433 …30} 1 => App\Models\Element {#1435 …30} 2 => App\Models\Element {#1437 …30} ] #escapeWhenCastingToString: false } "next" => array:2 [ "refs" => "1000880" "type" => "task" ] "previous" => array:2 [ "refs" => "1000878" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#1439 #items: array:1 [ 0 => App\Models\Book {#1028} ] #escapeWhenCastingToString: false } "page" => array:2 [ "refs" => "1001264" "type" => "book_page" ] ] #original: array:24 [ "id" => 1000879 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_page_start" => "167" "field_page_end" => null "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/46-2-4" "field_display_title" => "4" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#1428} "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "field_match" => null "breadcrumbs" => [] "edition_groups" => Illuminate\Database\Eloquent\Collection {#1429} "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1430} "parent_branches" => Illuminate\Database\Eloquent\Collection {#1431} "content" => Illuminate\Database\Eloquent\Collection {#1432} "next" => array:2 [ "refs" => "1000880" "type" => "task" ] "previous" => array:2 [ "refs" => "1000878" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#1439} "page" => array:2 [ "refs" => "1001264" "type" => "book_page" ] ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } 10 => App\Models\Task {#1440 #connection: "mysql" #table: "tasks" #primaryKey: "id" #keyType: "int" +incrementing: true #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:24 [ "id" => 1000880 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_page_start" => "167" "field_page_end" => null "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/46-3-1" "field_display_title" => "1" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#1441 #items: array:1 [ 0 => App\Models\Term {#1071 …30} ] #escapeWhenCastingToString: false } "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "field_match" => null "breadcrumbs" => [] "edition_groups" => Illuminate\Database\Eloquent\Collection {#1442 #items: [] #escapeWhenCastingToString: false } "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1443 #items: array:1 [ 0 => App\Models\Branch {#1250 …30} ] #escapeWhenCastingToString: false } "parent_branches" => Illuminate\Database\Eloquent\Collection {#1444 #items: array:3 [ 0 => App\Models\Branch {#1445 …30} 1 => App\Models\Branch {#1449 …30} 2 => App\Models\Branch {#1453 …30} ] #escapeWhenCastingToString: false } "content" => Illuminate\Database\Eloquent\Collection {#1457 #items: array:3 [ 0 => App\Models\Element {#1458 …30} 1 => App\Models\Element {#1460 …30} 2 => App\Models\Element {#1462 …30} ] #escapeWhenCastingToString: false } "next" => array:2 [ "refs" => "1000881" "type" => "task" ] "previous" => array:2 [ "refs" => "1000879" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#1464 #items: array:1 [ 0 => App\Models\Book {#1028} ] #escapeWhenCastingToString: false } "page" => array:2 [ "refs" => "1001264" "type" => "book_page" ] ] #original: array:24 [ "id" => 1000880 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_page_start" => "167" "field_page_end" => null "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/46-3-1" "field_display_title" => "1" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#1441} "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "field_match" => null "breadcrumbs" => [] "edition_groups" => Illuminate\Database\Eloquent\Collection {#1442} "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1443} "parent_branches" => Illuminate\Database\Eloquent\Collection {#1444} "content" => Illuminate\Database\Eloquent\Collection {#1457} "next" => array:2 [ "refs" => "1000881" "type" => "task" ] "previous" => array:2 [ "refs" => "1000879" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#1464} "page" => array:2 [ "refs" => "1001264" "type" => "book_page" ] ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } 11 => App\Models\Task {#1465 #connection: "mysql" #table: "tasks" #primaryKey: "id" #keyType: "int" +incrementing: true #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:24 [ "id" => 1000881 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_page_start" => "167" "field_page_end" => null "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/46-3-2" "field_display_title" => "2" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#1466 #items: array:1 [ 0 => App\Models\Term {#1071 …30} ] #escapeWhenCastingToString: false } "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "field_match" => null "breadcrumbs" => [] "edition_groups" => Illuminate\Database\Eloquent\Collection {#1467 #items: [] #escapeWhenCastingToString: false } "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1468 #items: array:1 [ 0 => App\Models\Branch {#1445 …30} ] #escapeWhenCastingToString: false } "parent_branches" => Illuminate\Database\Eloquent\Collection {#1469 #items: array:3 [ 0 => App\Models\Branch {#1445 …30} 1 => App\Models\Branch {#1449 …30} 2 => App\Models\Branch {#1453 …30} ] #escapeWhenCastingToString: false } "content" => Illuminate\Database\Eloquent\Collection {#1470 #items: array:3 [ 0 => App\Models\Element {#1471 …30} 1 => App\Models\Element {#1473 …30} 2 => App\Models\Element {#1475 …30} ] #escapeWhenCastingToString: false } "next" => array:2 [ "refs" => "1000882" "type" => "task" ] "previous" => array:2 [ "refs" => "1000880" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#1477 #items: array:1 [ 0 => App\Models\Book {#1028} ] #escapeWhenCastingToString: false } "page" => array:2 [ "refs" => "1001264" "type" => "book_page" ] ] #original: array:24 [ "id" => 1000881 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_page_start" => "167" "field_page_end" => null "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/46-3-2" "field_display_title" => "2" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#1466} "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "field_match" => null "breadcrumbs" => [] "edition_groups" => Illuminate\Database\Eloquent\Collection {#1467} "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1468} "parent_branches" => Illuminate\Database\Eloquent\Collection {#1469} "content" => Illuminate\Database\Eloquent\Collection {#1470} "next" => array:2 [ "refs" => "1000882" "type" => "task" ] "previous" => array:2 [ "refs" => "1000880" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#1477} "page" => array:2 [ "refs" => "1001264" "type" => "book_page" ] ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } 12 => App\Models\Task {#1478 #connection: "mysql" #table: "tasks" #primaryKey: "id" #keyType: "int" +incrementing: true #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:24 [ "id" => 1000882 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_page_start" => "167" "field_page_end" => null "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/46-3-3" "field_display_title" => "3" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#1479 #items: array:1 [ 0 => App\Models\Term {#1071 …30} ] #escapeWhenCastingToString: false } "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "field_match" => null "breadcrumbs" => [] "edition_groups" => Illuminate\Database\Eloquent\Collection {#1480 #items: [] #escapeWhenCastingToString: false } "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1481 #items: array:1 [ 0 => App\Models\Branch {#1445 …30} ] #escapeWhenCastingToString: false } "parent_branches" => Illuminate\Database\Eloquent\Collection {#1482 #items: array:3 [ 0 => App\Models\Branch {#1445 …30} 1 => App\Models\Branch {#1449 …30} 2 => App\Models\Branch {#1453 …30} ] #escapeWhenCastingToString: false } "content" => Illuminate\Database\Eloquent\Collection {#1483 #items: array:3 [ 0 => App\Models\Element {#1484 …30} 1 => App\Models\Element {#1486 …30} 2 => App\Models\Element {#1488 …30} ] #escapeWhenCastingToString: false } "next" => array:2 [ "refs" => "1000883" "type" => "task" ] "previous" => array:2 [ "refs" => "1000881" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#1490 #items: array:1 [ 0 => App\Models\Book {#1028} ] #escapeWhenCastingToString: false } "page" => array:2 [ "refs" => "1001264" "type" => "book_page" ] ] #original: array:24 [ "id" => 1000882 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_page_start" => "167" "field_page_end" => null "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/46-3-3" "field_display_title" => "3" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#1479} "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "field_match" => null "breadcrumbs" => [] "edition_groups" => Illuminate\Database\Eloquent\Collection {#1480} "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1481} "parent_branches" => Illuminate\Database\Eloquent\Collection {#1482} "content" => Illuminate\Database\Eloquent\Collection {#1483} "next" => array:2 [ "refs" => "1000883" "type" => "task" ] "previous" => array:2 [ "refs" => "1000881" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#1490} "page" => array:2 [ "refs" => "1001264" "type" => "book_page" ] ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } 13 => App\Models\Task {#1491 #connection: "mysql" #table: "tasks" #primaryKey: "id" #keyType: "int" +incrementing: true #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:24 [ "id" => 1000883 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_page_start" => "167" "field_page_end" => null "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/46-3-4" "field_display_title" => "4" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#1492 #items: array:1 [ 0 => App\Models\Term {#1071 …30} ] #escapeWhenCastingToString: false } "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "field_match" => null "breadcrumbs" => [] "edition_groups" => Illuminate\Database\Eloquent\Collection {#1493 #items: [] #escapeWhenCastingToString: false } "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1494 #items: array:1 [ 0 => App\Models\Branch {#1445 …30} ] #escapeWhenCastingToString: false } "parent_branches" => Illuminate\Database\Eloquent\Collection {#1495 #items: array:3 [ 0 => App\Models\Branch {#1445 …30} 1 => App\Models\Branch {#1449 …30} 2 => App\Models\Branch {#1453 …30} ] #escapeWhenCastingToString: false } "content" => Illuminate\Database\Eloquent\Collection {#1496 #items: array:3 [ 0 => App\Models\Element {#1497 …30} 1 => App\Models\Element {#1499 …30} 2 => App\Models\Element {#1501 …30} ] #escapeWhenCastingToString: false } "next" => array:2 [ "refs" => "1000884" "type" => "task" ] "previous" => array:2 [ "refs" => "1000882" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#1503 #items: array:1 [ 0 => App\Models\Book {#1028} ] #escapeWhenCastingToString: false } "page" => array:2 [ "refs" => "1001264" "type" => "book_page" ] ] #original: array:24 [ "id" => 1000883 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_page_start" => "167" "field_page_end" => null "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/46-3-4" "field_display_title" => "4" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#1492} "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "field_match" => null "breadcrumbs" => [] "edition_groups" => Illuminate\Database\Eloquent\Collection {#1493} "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1494} "parent_branches" => Illuminate\Database\Eloquent\Collection {#1495} "content" => Illuminate\Database\Eloquent\Collection {#1496} "next" => array:2 [ "refs" => "1000884" "type" => "task" ] "previous" => array:2 [ "refs" => "1000882" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#1503} "page" => array:2 [ "refs" => "1001264" "type" => "book_page" ] ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } ] #escapeWhenCastingToString: false } ] #original: array:21 [ "id" => 1001264 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_page_start" => "167" "field_url" => "/8-klass/fizika/peryshkin-uchebnik-2021/page-167" "field_display_title" => "167" "field_folder" => "1" "field_image_name" => "167" "field_branch_parent" => Illuminate\Database\Eloquent\Collection {#333} "field_weight" => "0" "field_book_parent" => Illuminate\Database\Eloquent\Collection {#1031} "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "edition_groups" => Illuminate\Database\Eloquent\Collection {#1058} "content" => Illuminate\Database\Eloquent\Collection {#1059} "next" => array:2 [ "refs" => "1001265" "type" => "book_page" ] "previous" => array:2 [ "refs" => "1001263" "type" => "book_page" ] "tasks" => Illuminate\Database\Eloquent\Collection {#1068} ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] }
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