(PHP 7 >= 7.0.0, PECL xlswriter >= 1.2.1)
  
   Introduction
   
    Create xlsx files and set cells and output xlsx files
   
   
  
   Class synopsis
   
    
    
     
      Vtiful\Kernel\Excel
     
     {
    
    
   public constMemory
    ( 
string $fileName
   [, 
string $sheetName
  ] )
 
   public data
    ( 
array $data
   )
 
   public fileName
    ( 
string $fileName
   [, 
string $sheetName
  ] )
 
   public header
    ( 
array $headerData
   )
 
   public insertFormula
    ( 
int $row
   , 
int $column
   , 
string $formula
   )
 
   public insertImage
    ( 
int $row
   , 
int $column
   , 
string $localImagePath
   )
 
   public insertText
    ( 
int $row
   , 
int $column
   , 
stringintdouble $data
   [, 
string $format
  ] )
 
   public mergeCells
    ( 
string $scope
   , 
string $data
   )
 
   public setColumn
    ( 
string $range
   , 
float $width
   [, 
resource $format
  ] )
 
   public setRow
    ( 
string $range
   , 
float $height
   [, 
resource $format
  ] )
 
   }