파일첨부질문입니다..

<?php	$tmp_file  = $_FILES[upload][tmp_name]; 	$filename  = $_FILES[upload][name]; 	$filesize  = $_FILES[upload][size]; 	$timg = @getimagesize($tmp_file);	 $dest_file = G5_DATA_PATH.'/file/'.$bo_table.'/'.$filename  = $_FILES[upload][name];		move_uploaded_file($tmp_file, $dest_file);		  // 올라간 파일의 퍼미션을 변경합니다.        chmod($dest_file, G5_FILE_PERMISSION);	 $sql = " insert into $g5[board_file_table]                     set bo_table = '$bo_table',                         wr_id = '$comment_id',                         bf_no = '1',                         bf_source = '$filename',                         bf_file = '$filename',                         bf_content = '{$bf_content}',                         bf_download = 0,                         bf_filesize = '$filesize',                         bf_width = '{$imagesize[0]}',                         bf_height = '{$imagesize[1]}',                         bf_type = '{$imagesize[2]}',                         bf_datetime = '".G5_TIME_YMD."' ";         sql_query($sql); ?>