public function PHPExcel_Reader_Excel2007::canRead in Loft Data Grids 6.2

Same name and namespace in other branches

1. 7.2 vendor/phpoffice/phpexcel/Classes/PHPExcel/Reader/Excel2007.php \PHPExcel_Reader_Excel2007::canRead()

* Can the current PHPExcel_Reader_IReader read the file? * *

Parameters

string $pFilename: * @return boolean * @throws PHPExcel_Reader_Exception

Overrides PHPExcel_Reader_Abstract::canRead

File

vendor/phpoffice/phpexcel/Classes/PHPExcel/Reader/Excel2007.php, line 78

Class

PHPExcel_Reader_Excel2007

PHPExcel_Reader_Excel2007

Code

public function canRead($pFilename) {

  // Check if file exists
  if (!file_exists($pFilename)) {
    throw new PHPExcel_Reader_Exception("Could not open " . $pFilename . " for reading! File does not exist.");
  }
  $zipClass = PHPExcel_Settings::getZipClass();

  // Check if zip class exists
  //		if (!class_exists($zipClass, FALSE)) {
  //			throw new PHPExcel_Reader_Exception($zipClass . " library is not enabled");
  //		}
  $xl = false;

  // Load file
  $zip = new $zipClass();
  if ($zip
    ->open($pFilename) === true) {

    // check if it is an OOXML archive
    $rels = simplexml_load_string($this
      ->securityScan($this
      ->_getFromZipArchive($zip, "_rels/.rels")), 'SimpleXMLElement', PHPExcel_Settings::getLibXmlLoaderOptions());
    if ($rels !== false) {
      foreach ($rels->Relationship as $rel) {
        switch ($rel["Type"]) {
          case "http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument":
            if (basename($rel["Target"]) == 'workbook.xml') {
              $xl = true;
            }
            break;
        }
      }
    }
    $zip
      ->close();
  }
  return $xl;
}