Header("Content-type: text/xml");

파일의 정보를 header에 입력할때 사용한다.
ex) Header("Content-type: text/xml");

MIME-Type : application/acad
설명 : AutoCAD drawing files
확장자 : dwg

MIME-Type : application/clariscad
설명 : ClarisCAD files
확장자 : ccad

MIME-Type : application/dxf
설명 : DXF (AutoCAD)
확장자 : dxf

MIME-Type : application/msaccess
설명 : Microsoft Access file
확장자 : mdb

MIME-Type : application/msword
설명 : Microsoft Word file
확장자 : doc

MIME-Type : application/octet-stream
설명 : Uninterpreted binary
확장자 : bin

MIME-Type : application/pdf
설명 : PDF (Adobe Acrobat)
확장자 : pdf

MIME-Type : application/postscript
설명 : PostScript, encapsulated PostScript, Adobe Illustrator
확장자 : ai, ps, eps

MIME-Type : application/rtf
설명 : Rich Text Format file
확장자 : rtf rtf

MIME-Type : application/vnd.ms-excel
설명 : Microsoft Excel file
확장자 : xls

MIME-Type : application/vnd.ms-powerpoint
설명 : Microsoft PowerPoint file
확장자 : ppt

MIME-Type : application/x-cdf
설명 : Channel Definition Format file
확장자 : cdf

MIME-Type : application/x-csh
설명 : C-shell script
확장자 : csh csh

MIME-Type : application/x-dvi
설명 : TeX
확장자 : dvi dvi dvi

MIME-Type : application/x-javascript
설명 : JavaScript source file
확장자 : js

MIME-Type : application/x-latex
설명 : LaTeX source file
확장자 : latex

MIME-Type : application/x-mif
설명 : FrameMaker MIF format
확장자 : mif

MIME-Type : application/x-msexcel
설명 : Microsoft Excel file
확장자 : xls

MIME-Type : application/x-mspowerpoint
설명 : Microsoft PowerPoint file
확장자 : ppt

MIME-Type : application/x-tcl
설명 : TCL script
확장자 : tcl

MIME-Type : application/x-tex
설명 : TeX source file
확장자 : tex

MIME-Type : application/x-texinfo
설명 : Texinfo (emacs)
확장자 : texinfo, texi

MIME-Type : application/x-troff
설명 : troff file
확장자 : t, tr, roff t, tr, roff

MIME-Type : application/x-troff-man
설명 : troff with MAN macros
확장자 : man

MIME-Type : application/x-troff-me
설명 : troff with ME macros
확장자 : me

MIME-Type : application/x-troff-ms
설명 : troff with MS macros
확장자 : ms

MIME-Type : application/x-wais-source
설명 : WAIS source file
확장자 : src

MIME-Type : application/zip
설명 : ZIP archive
확장자 : zip

MIME-Type : audio/basic
설명 : Basic audio (usually m-law)
확장자 : au, snd

MIME-Type : audio/x-aiff
설명 : AIFF audio
확장자 : aif, aiff, aifc

MIME-Type : audio/x-wav
설명 : Windows WAVE audio
확장자 : wav

MIME-Type : image/gif
설명 : GIF image
확장자 : gif

MIME-Type : image/ief
설명 : Image Exchange Format file
확장자 : ief

MIME-Type : image/jpeg
설명 : JPEG image
확장자 : jpeg, jpg jpe

MIME-Type : image/tiff
설명 : TIFF image
확장자 : tiff, tif

MIME-Type : image/x-cmu-raster
설명 : CMU Raster image
확장자 : ras

MIME-Type : image/x-portable-anymap
설명 : PBM Anymap image format
확장자 : pnm

MIME-Type : image/x-portable-bitmap
설명 : PBM Bitmap image format
확장자 : pbm

MIME-Type : image/x-portable-graymap
설명 : PBM Graymap image format
확장자 : pgm

MIME-Type : image/x-portable-pixmap
설명 : PBM Pixmap image format
확장자 : ppm

MIME-Type : image/x-rgb
설명 : RGB image format
확장자 : rgb

MIME-Type : image/x-xbitmap
설명 : X Bitmap image
확장자 : xbm

MIME-Type : image/x-xpixmap
설명 : X Pixmap image
확장자 : xpm

MIME-Type : image/x-xwindowdump
설명 : X Windows Dump (xwd)
확장자 : xwd

MIME-Type : multipart/x-gzip
설명 : GNU ZIP archive
확장자 : gzip

MIME-Type : multipart/x-zip
설명 : PKZIP archive
확장자 : zip

MIME-Type : text/css
설명 : Cascading style sheet
확장자 : css

MIME-Type : text/html
설명 : HTML file
확장자 : html, htm

MIME-Type : text/plain
설명 : Plain text
확장자 : txt

MIME-Type : text/richtext
설명 : MIME Rich Text
확장자 : rtx

MIME-Type : text/tab-separated- values
설명 : Text with tab-separated values
확장자 : tsv

MIME-Type : text/xml
설명 : XML document
확장자 : xml

MIME-Type : text/x-setext
설명 : Struct-Enhanced text
확장자 : etx

MIME-Type : text/xsl
설명 : XSL style sheet
확장자 : xsl

MIME-Type : video/mpeg
설명 : MPEG video
확장자 : mpeg, mpg, mpe

MIME-Type : video/quicktime
설명 : QuickTime video
확장자 : qt, mov

MIME-Type : video/x-msvideo
설명 : Microsoft Windows video
확장자 : avi

MIME-Type : video/x-sgi-movie
설명 : SGI movie player format
확장자 : movie