A Word list "Classroom expression"

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    ["title"] => string(54) "Урок английского языка: friendship"
    ["seo_title"] => string(36) "urok_anghliiskogho_iazyka_friendship"
    ["file_id"] => string(6) "447855"
    ["category_seo"] => string(15) "angliiskiyYazik"
    ["subcategory_seo"] => string(5) "uroki"
    ["date"] => string(10) "1515069890"
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}

object(ArrayObject)#886 (1) {
  ["storage":"ArrayObject":private] => array(6) {
    ["title"] => string(34) "Didactic games in teaching english"
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    ["file_id"] => string(6) "548313"
    ["category_seo"] => string(15) "angliiskiyYazik"
    ["subcategory_seo"] => string(11) "presentacii"
    ["date"] => string(10) "1588106638"
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}

object(ArrayObject)#864 (1) {
  ["storage":"ArrayObject":private] => array(6) {
    ["title"] => string(83) "Разработка урока английского языка в 7 классе"
    ["seo_title"] => string(49) "razrabotka_uroka_anghliiskogho_iazyka_v_7_klassie"
    ["file_id"] => string(6) "396974"
    ["category_seo"] => string(15) "angliiskiyYazik"
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    ["date"] => string(10) "1488378179"
  }
}

object(ArrayObject)#886 (1) {
  ["storage":"ArrayObject":private] => array(6) {
    ["title"] => string(48) "тема открытого урока "Weather""
    ["seo_title"] => string(27) "tiemaotkrytoghourokaweather"
    ["file_id"] => string(6) "320428"
    ["category_seo"] => string(15) "angliiskiyYazik"
    ["subcategory_seo"] => string(5) "uroki"
    ["date"] => string(10) "1461075965"
  }
}