mine .csv file is not uploading?

i am using this condition to check my uploaded csv file.

$_FILES['csv_file'][开发者_运维百科'type'] == "application/octet-stream" 
|| 
$_FILES['csv_file']['type'] == "text/plain"

even-though i am uploading csv file it show error i.e my csv file not uploading...

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hey, did you checked the webserver has permissions to upload files to the directory your are trying to upload?

maybe a bit more of code will help here..