/**
* Does a file support UnserializePHPPowerPoint ?
*
* @param string $pFilename
* @throws Exception
* @return boolean
*/
public function fileSupportsUnserializePHPPowerPoint($pFilename = '')
{
// Check if file exists
if (!file_exists($pFilename)) {
throw new Exception("Could not open " . $pFilename . " for reading! File does not exist.");
}
// File exists, does it contain PHPPowerPoint.xml?
return PHPPowerPoint_Shared_File::file_exists("zip://{$pFilename}#PHPPowerPoint.xml");
}
/**
* Get image mime type
*
* @param string $pFile Filename
* @return string Mime Type
* @throws Exception
*/
private function _getImageMimeType($pFile = '')
{
if (PHPPowerPoint_Shared_File::file_exists($pFile)) {
$image = getimagesize($pFile);
return image_type_to_mime_type($image[2]);
} else {
throw new Exception("File {$pFile} does not exist");
}
}