What’s the matter?

object(ArrayObject)#851 (1) {
  ["storage":"ArrayObject":private] => array(6) {
    ["title"] => string(99) "Тест по теме Reported Speech (Косвенная речь) с ключами 9 класс"
    ["seo_title"] => string(59) "tiestpotiemiereportedspeechkosviennaiariechskliuchami9klass"
    ["file_id"] => string(6) "270633"
    ["category_seo"] => string(15) "angliiskiyYazik"
    ["subcategory_seo"] => string(5) "testi"
    ["date"] => string(10) "1451223616"
  }
}

object(ArrayObject)#873 (1) {
  ["storage":"ArrayObject":private] => array(6) {
    ["title"] => string(105) "Конспект урока по теме: "Здоровье и здоровый образ жизни". "
    ["seo_title"] => string(59) "konspiekt-uroka-po-tiemie-zdorov-ie-i-zdorovyi-obraz-zhizni"
    ["file_id"] => string(6) "165672"
    ["category_seo"] => string(15) "angliiskiyYazik"
    ["subcategory_seo"] => string(5) "uroki"
    ["date"] => string(10) "1422854899"
  }
}

object(ArrayObject)#851 (1) {
  ["storage":"ArrayObject":private] => array(6) {
    ["title"] => string(79) "Разработка нестандартного урока "Around the World""
    ["seo_title"] => string(45) "razrabotkaniestandartnoghourokaaroundtheworld"
    ["file_id"] => string(6) "267883"
    ["category_seo"] => string(15) "angliiskiyYazik"
    ["subcategory_seo"] => string(5) "uroki"
    ["date"] => string(10) "1450477479"
  }
}

object(ArrayObject)#873 (1) {
  ["storage":"ArrayObject":private] => array(6) {
    ["title"] => string(54) "Level: 7th grade Theme: What should you do to keep fit"
    ["seo_title"] => string(52) "level_7th_grade_theme_what_should_you_do_to_keep_fit"
    ["file_id"] => string(6) "352921"
    ["category_seo"] => string(15) "angliiskiyYazik"
    ["subcategory_seo"] => string(5) "uroki"
    ["date"] => string(10) "1477647307"
  }
}

object(ArrayObject)#851 (1) {
  ["storage":"ArrayObject":private] => array(6) {
    ["title"] => string(29) "Hitchhiking around the World "
    ["seo_title"] => string(28) "hitchhiking-around-the-world"
    ["file_id"] => string(6) "231965"
    ["category_seo"] => string(15) "angliiskiyYazik"
    ["subcategory_seo"] => string(11) "presentacii"
    ["date"] => string(10) "1442685747"
  }
}