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[PHP] pobierz, plaintext 
private function _checkExtension($file) {
	$temp = pathinfo($file);
	return in_array(@strtolower($temp['extension']), $this->extensions);
}
[PHP] pobierz, plaintext 

[PHP] pobierz, plaintext 
$_avaiable_mimetypes = array('plain/text' , 'application/pdf' , 'application/x-pdf' , 'image/jpg' , 'image/jpeg' , 'image/png' , 'image/gif' , 'image/pjpeg' ,
        'application/vnd.ms-excel' , 'application/msword' , 'application/vnd.ms-powerpoint' );
if (!in_array($_FILES['file']['type'] , $_avaiable_mimetypes)) {
            $_errors['file_upload_error'] = '<p><span style="color:#f00;">Nieprawidłowy typ pliku.</span></p>';
        } 
[PHP] pobierz, plaintext