HTTP Content-type

file name extension	Content-type	file name extension	Content-type
.*	Application/octet-stream	. tif	Image/tiff
.001	application/x-001	.301	application/x-301
.323	text/h323	.906	application/x-906
.907	drawing/907	. A11	Application/x-a11
. ACP	Audio/x-mei-aac	. ai	Application/postscript
. AIF	Audio/aiff	. aifc	Audio/aiff
. aiff	Audio/aiff	. Anv	Application/x-anv
. ASA	Text/asa	. asf	video/x-ms-asf
. asp	Text/asp	. asx	video/x-ms-asf
. au	Audio/basic	. avi	Video/avi
. AWF	Application/vnd. ADOBe.workflow	. biz	Text/xml
. bmp	Application/x-bmp	. bot	Application/x-bot
. c4t	application/x-c4t	. C90	Application/x-c90
. Cal	Application/x-cals	. cat	Application/vnd.ms-pki.seccat
. CDF	Application/x-netcdf	. cdr	Application/x-cdr
. Cel	Application/x-cel	. cer	Application/x-x509-ca-cert
. cg4	Application/x-g4	. CGM	Application/x-cgm
. cit	Application/x-cit	. class	java/*
. CML	Text/xml	. cmp	application/x-cmp
. CMX	Application/x-cmx	. Cot	Application/x-cot
. CRL	Application/pkix-crl	. crt	Application/x-x509-ca-cert
. CSI	Application/x-csi	. css	Text/css
. Cut	Application/x-cut	. dbf	Application/x-dbf
. dbm	application/x-dbm	. dbx	Application/x-dbx
. DCD	Text/xml	. dcx	Application/x-dcx
. Der	Application/x-x509-ca-cert	. DGN	Application/x-dgn
. dib	Application/x-dib	. dll	Application/x-msdownload
. doc	Application/msword	. dot	Application/msword
. drw	Application/x-drw	. DTD	Text/xml
. DWF	Model/vnd.dwf	. DWF	Application/x-dwf
. dwg	Application/x-dwg	. DXB	Application/x-dxb
. dxf	application/x-dxf	. edn	Application/vnd. ADOBe.edn
. emf	Application/x-emf	. eml	message/rfc822
. ent	Text/xml	. epi	Application/x-epi
. eps	Application/x-ps	. eps	Application/postscript
. etd	Application/x-ebx	. exe	Application/x-msdownload
. Fax	Image/fax	. fdf	Application/vnd.fdf
. fif	Application/fractals	. fo	Text/xml
. frm	Application/x-frm	. g4	Application/x-g4
. GBR	Application/x-gbr	.	application/x-
. gif	Image/gif	. GL2	Application/x-gl2
. GP4	Application/x-gp4	. hgl	Application/x-hgl
. HMR	Application/x-hmr	. HPG	Application/x-hpgl
. HPL	Application/x-hpl	. hqx	application/mac-binhex40
. HRF	Application/x-hrf	. HTA	Application/hta
. HTC	Text/x-component	. htm	Text/html
. html	Text/html	. htt	Text/webviewhtml
. htx	Text/html	. ICB	Application/x-icb
. ico	Image/x-icon	. ico	Application/x-ico
. IFF	Application/x-iff	. ig4	Application/x-g4
. IGs	Application/x-igs	. III	Application/x-iphone
. img	Application/x-img	. ins	Application/x-internet-signup
. ISP	Application/x-internet-signup	. Ivf	Video/x-ivf
. java	java/*	. jfif	Image/jpeg
. jpe	Image/jpeg	. jpe	Application/x-jpe
. jpeg	Image/jpeg	. jpg	Image/jpeg
. jpg	Application/x-jpg	. js	Application/x-javascript
. jsp	Text/html	. la1	Audio/x-liquid-file
. lar	Application/x-laplayer-reg	. Latex	Application/x-latex
. LAVs	Audio/x-liquid-secure	. LBM	Application/x-lbm
. LMSFF	Audio/x-la-lms	. ls	Application/x-javascript
. ltr	Application/x-ltr	. m1v	Video/x-mpeg
. m2v	Video/x-mpeg	. m3u	Audio/mpegurl
. m4e	Video/mpeg4	. mac	Application/x-mac
. Mans	Application/x-troff-man	. Math	Text/xml
. mdb	Application/msaccess	. mdb	Application/x-mdb
. MFP	Application/x-shockwave-flash	. mht	message/rfc822
. mhtml	message/rfc822	, m+	Application/x-mi
. mid	Audio/mid	. MIDI	Audio/mid
. mil	Application/x-mil	. MML	Text/xml
. MND	Audio/x-musicnet-download	. MNS	Audio/x-musicnet-stream
. Mocha	Application/x-javascript	. Movie	Video/x-sgi-movie
. MP1	Audio/mp1	. mp2	Audio/mp2
. mp2v	Video/mpeg	. mp3	Audio/mp3
. mp4	Video/mpeg4	. MPa	Video/x-mpg
. MPD	Application/vnd.ms-project	. mpe	Video/x-mpeg
. mpeg	Video/mpg	. mpg	Video/mpg
. MPGA	Audio/rn-mpeg	. MPP	Application/vnd.ms-project
. MPs	Video/x-mpeg	. MPT	Application/vnd.ms-project
. MPV	Video/mpg	. Mpv2	Video/mpeg
. MPW	Application/vnd.ms-project	. mpx	Application/vnd.ms-project
. MTX	Text/xml	. MXP	Application/x-mmxp
. Net	Image/pnetvue	. NRF	Application/x-nrf
. NWS	message/rfc822	. odc	Text/x-ms-odc
. Out	Application/x-out	. P10	Application/pkcs10
. p12	Application/x-pkcs12	. p7b	Application/x-pkcs7-certificates
. p7c	Application/pkcs7-mime	. p7m	Application/pkcs7-mime
. p7r	Application/x-pkcs7-certreqresp	. p7s	Application/pkcs7-signature
. pc5	Application/x-pc5	. PCI	Application/x-pci
. PCL	Application/x-pcl	. pcx	Application/x-pcx
. pdf	Application/pdf	. pdf	Application/pdf
. PDX	Application/vnd. ADOBE.PDX	. pfx	Application/x-pkcs12
. PGL	Application/x-pgl	. pic	Application/x-pic
. Pko	Application/vnd.ms-pki.pko	. pl	Application/x-perl
. PLG	Text/html	. pls	Audio/scpls
. plt	Application/x-plt	. png	Image/png
. png	Application/x-png	. pot	Application/vnd.ms-powerpoint
. PPA	Application/vnd.ms-powerpoint	. ppm	application/x-ppm
. pps	Application/vnd.ms-powerpoint	. ppt	Application/vnd.ms-powerpoint
. ppt	Application/x-ppt	. pr	Application/x-pr
. PRF	Application/pics-rules	. prn	Application/x-prn
. PRT	Application/x-prt	. PS	Application/x-ps
. PS	Application/postscript	. PTN	Application/x-ptn
. pwz	Application/vnd.ms-powerpoint	. r3t	Text/vnd.rn-realtext3d
. ra	Audio/vnd.rn-realaudio	. Ram	Audio/x-pn-realaudio
. RAS	Application/x-ras	. Rat	Application/rat-file
. RDF	Text/xml	. rec	Application/vnd.rn-recording
. Red	Application/x-red	. RGB	Application/x-rgb
. RJs	Application/vnd.rn-realsystem-rjs	. rjt	Application/vnd.rn-realsystem-rjt
. RLC	Application/x-rlc	. rle	Application/x-rle
. rm	Application/vnd.rn-realmedia	. RMF	Application/vnd. ADOBE.RMF
. rmi	Audio/mid	. RMJ	Application/vnd.rn-realsystem-rmj
. RMM	Audio/x-pn-realaudio	. RMP	Application/vnd.rn-rn_music_package
. RMS	Application/vnd.rn-realmedia-secure	. rmvb	Application/vnd.rn-realmedia-vbr
. rmx	Application/vnd.rn-realsystem-rmx	. rnx	Application/vnd.rn-realplayer
. RP	Image/vnd.rn-realpix	. rpm	Audio/x-pn-realaudio-plugin
. RSML	Application/vnd.rn-rsml	. RT	Text/vnd.rn-realtext
. rtf	Application/msword	. rtf	Application/x-rtf
. RV	Video/vnd.rn-realvideo	. Sam	Application/x-sam
. Sat	Application/x-sat	. SDP	Application/sdp
. SDW	Application/x-sdw	. Sit	Application/x-stuffit
. SLB	Application/x-slb	. SLD	Application/x-sld
. SLK	Drawing/x-slk	. SMI	Application/smil
. smil	Application/smil	. SMK	Application/x-smk
. snd	Audio/basic	. Sol	Text/plain
. sor	Text/plain	. SPC	Application/x-pkcs7-certificates
. SPL	Application/futuresplash	. spp	Text/xml
. SSM	Application/streamingmedia	. SST	Application/vnd.ms-pki.certstore
. STL	Application/vnd.ms-pki.stl	. stm	Text/html
. sty	Application/x-sty	. svg	Text/xml
. swf	Application/x-shockwave-flash	. TDF	Application/x-tdf
. TG4	Application/x-tg4	. TGA	Application/x-tga
. tif	Image/tiff	. tif	Application/x-tif
. tiff	Image/tiff	. TLD	Text/xml
. Top	Drawing/x-top	. torrent	Application/x-bittorrent
. TSD	Text/xml	. txt	Text/plain
. UIn	Application/x-icq	. uls	Text/iuls
. vcf	Text/x-vcard	. VDA	Application/x-vda
. vdx	Application/vnd.visio	. VML	Text/xml
. VPG	application/x-vpeg005	. vsd	Application/vnd.visio
. vsd	Application/x-vsd	. vss	Application/vnd.visio
. vst	Application/vnd.visio	. vst	Application/x-vst
. VSW	Application/vnd.visio	. vsx	Application/vnd.visio
. vtx	Application/vnd.visio	. vxml	Text/xml
. wav	Audio/wav	. Wax	Audio/x-ms-wax
. wb1	Application/x-wb1	. wb2	Application/x-wb2
. wb3	Application/x-wb3	. wbmp	Image/vnd.wap.wbmp
. Wiz	Application/msword	. WK3	Application/x-wk3
. WK4	Application/x-wk4	. wkq	Application/x-wkq
. wks	Application/x-wks	. WM	Video/x-ms-wm
. wma	Audio/x-ms-wma	. WMD	Application/x-ms-wmd
. Wmf	Application/x-wmf	. WML	Text/vnd.wap.wml
. wmv	Video/x-ms-wmv	. wmx	Video/x-ms-wmx
. wmz	Application/x-ms-wmz	. wp6	Application/x-wp6
. wpd	Application/x-wpd	. WPG	Application/x-wpg
. WPL	Application/vnd.ms-wpl	. wq1	Application/x-wq1
. wr1	Application/x-wr1	. WRI	Application/x-wri
. wrk	Application/x-wrk	. ws	Application/x-ws
. ws2	Application/x-ws	. WSC	Text/scriptlet
. wsdl	Text/xml	. wvx	Video/x-ms-wvx
. XDP	Application/vnd. ADOBE.XDP	. XDR	Text/xml
. XfD	Application/vnd. ADOBE.XFD	. xfdf	Application/vnd. ADOBE.XFDF
. xhtml	Text/html	. xls	Application/vnd.ms-excel
. xls	Application/x-xls	. xlw	Application/x-xlw
. xml	Text/xml	. xpl	Audio/scpls
. xq	Text/xml	. xql	Text/xml
. XQuery	Text/xml	. xsd	Text/xml
. xsl	Text/xml	. xslt	Text/xml
. xwd	Application/x-xwd	. X_b	Application/x-x_b
. sis	Application/vnd.symbian.install	. sisx	Application/vnd.symbian.install
. x_t	application/x-x_t	. IPA	Application/vnd.iphone
. apk	Application/vnd.android.package-archive	. xap	Application/x-silverlight-app

The above describes the HTTP content-type, including ADO aspects of the content, I hope that the PHP tutorial interested in a friend helpful.

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