Двугранный угол

object(ArrayObject)#864 (1) {
  ["storage":"ArrayObject":private] => array(6) {
    ["title"] => string(94) "Лабораторно - практическая работа "Двугранный угол""
    ["seo_title"] => string(48) "laboratornopraktichieskaiarabotadvughrannyiughol"
    ["file_id"] => string(6) "309162"
    ["category_seo"] => string(10) "matematika"
    ["subcategory_seo"] => string(5) "uroki"
    ["date"] => string(10) "1458748465"
  }
}

object(ArrayObject)#886 (1) {
  ["storage":"ArrayObject":private] => array(6) {
    ["title"] => string(112) "Двугранный угол. Признак перпендикулярности двух плоскостей"
    ["seo_title"] => string(60) "dvugrannyi_ugol_priznak_perpendikuliarnosti_dvukh_ploskostei"
    ["file_id"] => string(6) "645654"
    ["category_seo"] => string(9) "geometria"
    ["subcategory_seo"] => string(7) "prochee"
    ["date"] => string(10) "1707935557"
  }
}

object(ArrayObject)#864 (1) {
  ["storage":"ArrayObject":private] => array(6) {
    ["title"] => string(84) "Конспект урока по геометрии "Двугранный угол" "
    ["seo_title"] => string(49) "konspiekt-uroka-po-ghieomietrii-dvughrannyi-ughol"
    ["file_id"] => string(6) "153381"
    ["category_seo"] => string(10) "matematika"
    ["subcategory_seo"] => string(5) "uroki"
    ["date"] => string(10) "1420998138"
  }
}

object(ArrayObject)#886 (1) {
  ["storage":"ArrayObject":private] => array(6) {
    ["title"] => string(36) "Усеченные пирамиды "
    ["seo_title"] => string(22) "usiechiennyie-piramidy"
    ["file_id"] => string(6) "219708"
    ["category_seo"] => string(10) "matematika"
    ["subcategory_seo"] => string(5) "uroki"
    ["date"] => string(10) "1434351622"
  }
}

object(ArrayObject)#864 (1) {
  ["storage":"ArrayObject":private] => array(6) {
    ["title"] => string(54) "контроль знаний  обучающихся "
    ["seo_title"] => string(33) "kontrol-znanii-obuchaiushchikhsia"
    ["file_id"] => string(6) "124330"
    ["category_seo"] => string(10) "matematika"
    ["subcategory_seo"] => string(5) "testi"
    ["date"] => string(10) "1414685120"
  }
}