if($ext == 'png' or $ext == 'jpg' or $ext == 'jpeg' or $ext == 'gif' or $ext == 'pdf' or $ext == 'rar' or $ext == 'zip' or $ext == 'doc' or $ext == 'docx' or $ext == 'webp' or $ext == 'PNG' or $ext == 'JPG' or $ext == 'JPEG' or $ext == 'GIF' or $ext == 'PDF' or $ext == 'RAR' or $ext == 'ZIP' or $ext == 'DOC' or $ext == 'DOCX' or $ext == 'WEBP'){ 