canRead() canRead(string $pFilename) : boolean Can the current IReader read the file? Parameters string $pFilename Returns boolean
load() load(string $pFilename) : \PhpOffice\PhpSpreadsheet\Spreadsheet Loads PhpSpreadsheet from file. Parameters string $pFilename Throws \PhpOffice\PhpSpreadsheet\Reader\Exception Returns \PhpOffice\PhpSpreadsheet\Spreadsheet
