Current File : /home/tjamichg/cursos.tjamich.gob.mx/vendor/ddeboer/data-import/src/Reader/ExcelReader.php
<?php
namespace Ddeboer\DataImport\Reader;
/**
* Reads Excel files with the help of PHPExcel
*
* PHPExcel must be installed.
*
* @author David de Boer <david@ddeboer.nl>
*
* @link http://phpexcel.codeplex.com/
* @link https://github.com/logiQ/PHPExcel
*/
class ExcelReader implements CountableReader, \SeekableIterator
{
/**
* @var array
*/
protected $worksheet;
/**
* @var integer
*/
protected $headerRowNumber;
/**
* @var integer
*/
protected $pointer = 0;
/**
* @var array
*/
protected $columnHeaders;
/**
* Total number of rows
*
* @var integer
*/
protected $count;
/**
* @param \SplFileObject $file Excel file
* @param integer $headerRowNumber Optional number of header row
* @param integer $activeSheet Index of active sheet to read from
* @param boolean $readOnly If set to false, the reader take care of the excel formatting (slow)
*/
public function __construct(\SplFileObject $file, $headerRowNumber = null, $activeSheet = null, $readOnly = true)
{
$reader = \PHPExcel_IOFactory::createReaderForFile($file->getPathName());
$reader->setReadDataOnly($readOnly);
/** @var \PHPExcel $excel */
$excel = $reader->load($file->getPathname());
if (null !== $activeSheet) {
$excel->setActiveSheetIndex($activeSheet);
}
$this->worksheet = $excel->getActiveSheet()->toArray();
if (null !== $headerRowNumber) {
$this->setHeaderRowNumber($headerRowNumber);
}
}
/**
* Return the current row as an array
*
* If a header row has been set, an associative array will be returned
*
* @return array
*/
public function current()
{
$row = $this->worksheet[$this->pointer];
// If the CSV has column headers, use them to construct an associative
// array for the columns in this line
if (!empty($this->columnHeaders)) {
// Count the number of elements in both: they must be equal.
// If not, ignore the row
if (count($this->columnHeaders) == count($row)) {
return array_combine(array_values($this->columnHeaders), $row);
}
} else {
// Else just return the column values
return $row;
}
}
/**
* Get column headers
*
* @return array
*/
public function getColumnHeaders()
{
return $this->columnHeaders;
}
/**
* Set column headers
*
* @param array $columnHeaders
*/
public function setColumnHeaders(array $columnHeaders)
{
$this->columnHeaders = $columnHeaders;
}
/**
* Rewind the file pointer
*
* If a header row has been set, the pointer is set just below the header
* row. That way, when you iterate over the rows, that header row is
* skipped.
*/
public function rewind()
{
if (null === $this->headerRowNumber) {
$this->pointer = 0;
} else {
$this->pointer = $this->headerRowNumber + 1;
}
}
/**
* Set header row number
*
* @param integer $rowNumber Number of the row that contains column header names
*/
public function setHeaderRowNumber($rowNumber)
{
$this->headerRowNumber = $rowNumber;
$this->columnHeaders = $this->worksheet[$rowNumber];
}
/**
* {@inheritdoc}
*/
public function next()
{
$this->pointer++;
}
/**
* {@inheritdoc}
*/
public function valid()
{
return isset($this->worksheet[$this->pointer]);
}
/**
* {@inheritdoc}
*/
public function key()
{
return $this->pointer;
}
/**
* {@inheritdoc}
*/
public function seek($pointer)
{
$this->pointer = $pointer;
}
/**
* {@inheritdoc}
*/
public function count()
{
$count = count($this->worksheet);
if (null !== $this->headerRowNumber) {
$count--;
}
return $count;
}
/**
* {@inheritdoc}
*/
public function getFields()
{
return $this->columnHeaders;
}
/**
* Get a row
*
* @param integer $number
*
* @return array
*/
public function getRow($number)
{
$this->seek($number);
return $this->current();
}
}
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