/var/www/testru/pages/handleUpload.php:20:
object(PhpOffice\PhpSpreadsheet\Spreadsheet)[114]
  private 'uniqueID' => string '5c5dd31a0bf147.30601812' (length=23)
  private 'properties' =>
    object(PhpOffice\PhpSpreadsheet\Document\Properties)[125]
      private 'creator' => string 'Unknown Creator' (length=15)
      private 'lastModifiedBy' => string 'Unknown Creator' (length=15)
      private 'created' => int 1549652762
      private 'modified' => int 1549652762
      private 'title' => string 'Untitled Spreadsheet' (length=20)
      private 'description' => string '' (length=0)
      private 'subject' => string '' (length=0)
      private 'keywords' => string '' (length=0)
      private 'category' => string '' (length=0)
      private 'manager' => string '' (length=0)
      private 'company' => string 'Microsoft Corporation' (length=21)
      private 'customProperties' =>
        array (size=0)
          empty
  private 'security' =>
    object(PhpOffice\PhpSpreadsheet\Document\Security)[126]
      private 'lockRevision' => boolean false
      private 'lockStructure' => boolean false
      private 'lockWindows' => boolean false
      private 'revisionsPassword' => string '' (length=0)
      private 'workbookPassword' => string '' (length=0)
  private 'workSheetCollection' =>
    array (size=0)
      empty
  private 'calculationEngine' =>
    object(PhpOffice\PhpSpreadsheet\Calculation\Calculation)[110]
      private 'spreadsheet' =>
        &object(PhpOffice\PhpSpreadsheet\Spreadsheet)[114]
      private 'calculationCache' =>
        array (size=0)
          empty
      private 'calculationCacheEnabled' => boolean true
      private 'debugLog' =>
        object(PhpOffice\PhpSpreadsheet\Calculation\Engine\Logger)[112]
          private 'writeDebugLog' => boolean false
          private 'echoDebugLog' => boolean false
          private 'debugLog' =>
            array (size=0)
              ...
          private 'cellStack' =>
            object(PhpOffice\PhpSpreadsheet\Calculation\Engine\CyclicReferenceStack)[109]
              ...
      public 'suppressFormulaErrors' => boolean false
      public 'formulaError' => null
      private 'cyclicReferenceStack' =>
        object(PhpOffice\PhpSpreadsheet\Calculation\Engine\CyclicReferenceStack)[109]
          private 'stack' =>
            array (size=0)
              ...
      private 'cellStack' =>
        array (size=0)
          empty
      private 'cyclicFormulaCounter' => int 1
      private 'cyclicFormulaCell' => string '' (length=0)
      public 'cyclicFormulaCount' => int 1
      private 'delta' => float 1.0E-14
  private 'activeSheetIndex' => int -1
  private 'namedRanges' =>
    array (size=0)
      empty
  private 'cellXfSupervisor' =>
    object(PhpOffice\PhpSpreadsheet\Style\Style)[127]
      protected 'font' =>
        object(PhpOffice\PhpSpreadsheet\Style\Font)[128]
          protected 'name' => string 'Calibri' (length=7)
          protected 'size' => int 11
          protected 'bold' => boolean false
          protected 'italic' => boolean false
          protected 'superscript' => boolean false
          protected 'subscript' => boolean false
          protected 'underline' => string 'none' (length=4)
          protected 'strikethrough' => boolean false
          protected 'color' =>
            object(PhpOffice\PhpSpreadsheet\Style\Color)[129]
              ...
          public 'colorIndex' => null
          protected 'isSupervisor' => boolean true
          protected 'parent' =>
            &object(PhpOffice\PhpSpreadsheet\Style\Style)[127]
          protected 'parentPropertyName' => null
      protected 'fill' =>
        object(PhpOffice\PhpSpreadsheet\Style\Fill)[130]
          public 'startcolorIndex' => null
          public 'endcolorIndex' => null
          protected 'fillType' => string 'none' (length=4)
          protected 'rotation' => int 0
          protected 'startColor' =>
            object(PhpOffice\PhpSpreadsheet\Style\Color)[131]
              ...
          protected 'endColor' =>
            object(PhpOffice\PhpSpreadsheet\Style\Color)[132]
              ...
          protected 'isSupervisor' => boolean true
          protected 'parent' =>
            &object(PhpOffice\PhpSpreadsheet\Style\Style)[127]
          protected 'parentPropertyName' => null
      protected 'borders' =>
        object(PhpOffice\PhpSpreadsheet\Style\Borders)[133]
          protected 'left' =>
            object(PhpOffice\PhpSpreadsheet\Style\Border)[134]
              ...
          protected 'right' =>
            object(PhpOffice\PhpSpreadsheet\Style\Border)[136]
              ...
          protected 'top' =>
            object(PhpOffice\PhpSpreadsheet\Style\Border)[138]
              ...
          protected 'bottom' =>
            object(PhpOffice\PhpSpreadsheet\Style\Border)[140]
              ...
          protected 'diagonal' =>
            object(PhpOffice\PhpSpreadsheet\Style\Border)[142]
              ...
          protected 'diagonalDirection' => int 0
          protected 'allBorders' =>
            object(PhpOffice\PhpSpreadsheet\Style\Border)[144]
              ...
          protected 'outline' =>
            object(PhpOffice\PhpSpreadsheet\Style\Border)[146]
              ...
          protected 'inside' =>
            object(PhpOffice\PhpSpreadsheet\Style\Border)[148]
              ...
          protected 'vertical' =>
            object(PhpOffice\PhpSpreadsheet\Style\Border)[150]
              ...
          protected 'horizontal' =>
            object(PhpOffice\PhpSpreadsheet\Style\Border)[152]
              ...
          protected 'isSupervisor' => boolean true
          protected 'parent' =>
            &object(PhpOffice\PhpSpreadsheet\Style\Style)[127]
          protected 'parentPropertyName' => null
      protected 'alignment' =>
        object(PhpOffice\PhpSpreadsheet\Style\Alignment)[154]
          protected 'horizontal' => string 'general' (length=7)
          protected 'vertical' => string 'bottom' (length=6)
          protected 'textRotation' => int 0
          protected 'wrapText' => boolean false
          protected 'shrinkToFit' => boolean false
          protected 'indent' => int 0
          protected 'readOrder' => int 0
          protected 'isSupervisor' => boolean true
          protected 'parent' =>
            &object(PhpOffice\PhpSpreadsheet\Style\Style)[127]
          protected 'parentPropertyName' => null
      protected 'numberFormat' =>
        object(PhpOffice\PhpSpreadsheet\Style\NumberFormat)[155]
          protected 'formatCode' => string 'General' (length=7)
          protected 'builtInFormatCode' => int 0
          protected 'isSupervisor' => boolean true
          protected 'parent' =>
            &object(PhpOffice\PhpSpreadsheet\Style\Style)[127]
          protected 'parentPropertyName' => null
      protected 'conditionalStyles' =>
        array (size=0)
          empty
      protected 'protection' =>
        object(PhpOffice\PhpSpreadsheet\Style\Protection)[156]
          protected 'locked' => string 'inherit' (length=7)
          protected 'hidden' => string 'inherit' (length=7)
          protected 'isSupervisor' => boolean true
          protected 'parent' =>
            &object(PhpOffice\PhpSpreadsheet\Style\Style)[127]
          protected 'parentPropertyName' => null
      protected 'index' => null
      protected 'quotePrefix' => boolean false
      protected 'isSupervisor' => boolean true
      protected 'parent' =>
        &object(PhpOffice\PhpSpreadsheet\Spreadsheet)[114]
      protected 'parentPropertyName' => null
  private 'cellXfCollection' =>
    array (size=1)
      0 =>
        object(PhpOffice\PhpSpreadsheet\Style\Style)[157]
          protected 'font' =>
            object(PhpOffice\PhpSpreadsheet\Style\Font)[158]
              ...
          protected 'fill' =>
            object(PhpOffice\PhpSpreadsheet\Style\Fill)[160]
              ...
          protected 'borders' =>
            object(PhpOffice\PhpSpreadsheet\Style\Borders)[163]
              ...
          protected 'alignment' =>
            object(PhpOffice\PhpSpreadsheet\Style\Alignment)[174]
              ...
          protected 'numberFormat' =>
            object(PhpOffice\PhpSpreadsheet\Style\NumberFormat)[175]
              ...
          protected 'conditionalStyles' =>
            array (size=0)
              ...
          protected 'protection' =>
            object(PhpOffice\PhpSpreadsheet\Style\Protection)[176]
              ...
          protected 'index' => int 0
          protected 'quotePrefix' => boolean false
          protected 'isSupervisor' => boolean false
          protected 'parent' => null
          protected 'parentPropertyName' => null
  private 'cellStyleXfCollection' =>
    array (size=1)
      0 =>
        object(PhpOffice\PhpSpreadsheet\Style\Style)[177]
          protected 'font' =>
            object(PhpOffice\PhpSpreadsheet\Style\Font)[178]
              ...
          protected 'fill' =>
            object(PhpOffice\PhpSpreadsheet\Style\Fill)[180]
              ...
          protected 'borders' =>
            object(PhpOffice\PhpSpreadsheet\Style\Borders)[183]
              ...
          protected 'alignment' =>
            object(PhpOffice\PhpSpreadsheet\Style\Alignment)[194]
              ...
          protected 'numberFormat' =>
            object(PhpOffice\PhpSpreadsheet\Style\NumberFormat)[195]
              ...
          protected 'conditionalStyles' =>
            array (size=0)
              ...
          protected 'protection' =>
            object(PhpOffice\PhpSpreadsheet\Style\Protection)[196]
              ...
          protected 'index' => int 0
          protected 'quotePrefix' => boolean false
          protected 'isSupervisor' => boolean false
          protected 'parent' => null
          protected 'parentPropertyName' => null
  private 'hasMacros' => boolean false
  private 'macrosCode' => null
  private 'macrosCertificate' => null
  private 'ribbonXMLData' => null
  private 'ribbonBinObjects' => null
  private 'unparsedLoadedData' =>
    array (size=0)
      empty
  private 'showHorizontalScroll' => boolean true
  private 'showVerticalScroll' => boolean true
  private 'showSheetTabs' => boolean true
  private 'minimized' => boolean false
  private 'autoFilterDateGrouping' => boolean true
  private 'firstSheetIndex' => int 0
  private 'visibility' => string 'visible' (length=7)
  private 'tabRatio' => int 600