Download file coding using php

ob_start();

/*Developed by : Evergreenphp
Website : http://evergreenphp.blogspot.com
Date : 25-09-2008, 10.12am
Description: This program is used to download a particular file using php program

Note : you must give the file type with respective to the file extension..
Ex: if the file is ".pdf" then you must give content type as "application/pdf" then only the file will downloaded..

Have a nice time...!!
*/

$file_path = '/www/htdocs/evergreenphp/';

$file_name = "evergreenphp.mp3"; $file_type = 'audio/mp3';
/* $file_name = "evergreenphp.php"; $file_type = 'application/octet-stream'; */
/* $file_name = "evergreenphp.html"; $file_type = 'text/plain'; */
/* $file_name = "evergreenphp.pdf"; $file_type = 'application/pdf'; */

$temp = basename($file_name);
$temp = str_replace(" ", "_", $temp);
header("Pragma: private");
header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
header('Content-Type: '.$file_path.$file_type);
header('Content-Disposition: attachment; filename='.$temp);
header('Content-Length: '.filesize($file_path.$file_name));
readfile($file_path.$file_name);
exit;
?>

MIME, File types, Content types

What is MIME?

MIME (Multipurpose Internet Mail Extensions) is an Internet standard for describes message content types.

MIME messages can contain text, images, audio, video, and other application-specific data.

What are MIME types?

MIME types describe the media type of content either in email or served by web servers or web applications and are intended to help guide a web browser in how the content is to be processed and displayed.


Mime Types By File Extension

Extension Type/sub-type

               application/octet-stream
323            text/h323
acx            application/internet-property-stream
ai             application/postscript
aif            audio/x-aiff
aifc           audio/x-aiff
aiff           audio/x-aiff
asf            video/x-ms-asf
asr            video/x-ms-asf
asx            video/x-ms-asf
au             audio/basic
avi            video/x-msvideo
axs            application/olescript
bas            text/plain
bcpio          application/x-bcpio
bin            application/octet-stream
bmp            image/bmp
c              text/plain
cat            application/vnd.ms-pkiseccat
cdf            application/x-cdf
cer            application/x-x509-ca-cert
class          application/octet-stream
clp            application/x-msclip
cmx            image/x-cmx
cod            image/cis-cod
cpio           application/x-cpio
crd            application/x-mscardfile
crl            application/pkix-crl
crt            application/x-x509-ca-cert
csh            application/x-csh
css            text/css
dcr            application/x-director
der            application/x-x509-ca-cert
dir            application/x-director
dll            application/x-msdownload
dms            application/octet-stream
doc            application/msword
dot            application/msword
dvi            application/x-dvi
dxr            application/x-director
eps            application/postscript
etx            text/x-setext
evy            application/envoy
exe            application/octet-stream
fif            application/fractals
flr            x-world/x-vrml
gif            image/gif
gtar           application/x-gtar
gz             application/x-gzip
h              text/plain
hdf            application/x-hdf
hlp            application/winhlp
hqx            application/mac-binhex40
hta            application/hta
htc            text/x-component
htm            text/html
html           text/html
htt            text/webviewhtml
ico            image/x-icon
ief            image/ief
iii            application/x-iphone
ins            application/x-internet-signup
isp            application/x-internet-signup
jfif           image/pipeg
jpe            image/jpeg
jpeg           image/jpeg
jpg            image/jpeg
js             application/x-javascript
latex          application/x-latex
lha            application/octet-stream
lsf            video/x-la-asf
lsx            video/x-la-asf
lzh            application/octet-stream
m13            application/x-msmediaview
m14            application/x-msmediaview
m3u            audio/x-mpegurl
man            application/x-troff-man
mdb            application/x-msaccess
me             application/x-troff-me
mht            message/rfc822
mhtml          message/rfc822
mid            audio/mid
mny            application/x-msmoney
mov            video/quicktime
movie          video/x-sgi-movie
mp2            video/mpeg
mp3            audio/mpeg (or) audio/mp3
mpa            video/mpeg
mpe            video/mpeg
mpeg           video/mpeg
mpg            video/mpeg
mpp            application/vnd.ms-project
mpv2           video/mpeg
ms             application/x-troff-ms
mvb            application/x-msmediaview
nws            message/rfc822
oda            application/oda
p10            application/pkcs10
p12            application/x-pkcs12
p7b            application/x-pkcs7-certificates
p7c            application/x-pkcs7-mime
p7m            application/x-pkcs7-mime
p7r            application/x-pkcs7-certreqresp
p7s            application/x-pkcs7-signature
pbm            image/x-portable-bitmap
pdf            application/pdf
pfx            application/x-pkcs12
pgm            image/x-portable-graymap
php            application/octet-stream (or) text/plain
pko            application/ynd.ms-pkipko
pma            application/x-perfmon
pmc            application/x-perfmon
pml            application/x-perfmon
pmr            application/x-perfmon
pmw            application/x-perfmon
pnm            image/x-portable-anymap
pot           application/vnd.ms-powerpoint
ppm            image/x-portable-pixmap
pps            application/vnd.ms-powerpoint
ppt            application/vnd.ms-powerpoint
prf            application/pics-rules
ps             application/postscript
pub            application/x-mspublisher
qt             video/quicktime
ra             audio/x-pn-realaudio
ram            audio/x-pn-realaudio
ras            image/x-cmu-raster
rgb            image/x-rgb
rmi            audio/mid
roff           application/x-troff
rtf            application/rtf
rtx            text/richtext
scd            application/x-msschedule
sct            text/scriptlet
setpay         application/set-payment-initiation
setreg         application/set-registration-initiation
sh             application/x-sh
shar           application/x-shar
sit            application/x-stuffit
snd            audio/basic
spc            application/x-pkcs7-certificates
spl            application/futuresplash
src            application/x-wais-source
sst            application/vnd.ms-pkicertstore
stl            application/vnd.ms-pkistl
stm            text/html
svg            image/svg+xml
sv4cpio        application/x-sv4cpio
sv4crc         application/x-sv4crc
swf            application/x-shockwave-flash
t              application/x-troff
tar            application/x-tar
tcl            application/x-tcl
tex            application/x-tex
texi           application/x-texinfo
texinfo        application/x-texinfo
tgz            application/x-compressed
tif            image/tiff
tiff           image/tiff
tr             application/x-troff
trm            application/x-msterminal
tsv            text/tab-separated-values
txt            text/plain
uls            text/iuls
ustar          application/x-ustar
vcf            text/x-vcard
vrml           x-world/x-vrml
wav            audio/x-wav
wcm            application/vnd.ms-works
wdb            application/vnd.ms-works
wks            application/vnd.ms-works
wmf            application/x-msmetafile
wps            application/vnd.ms-works
wri            application/x-mswrite
wrl            x-world/x-vrml
wrz            x-world/x-vrml
xaf            x-world/x-vrml
xbm            image/x-xbitmap
xla            application/vnd.ms-excel
xlc            application/vnd.ms-excel
xlm            application/vnd.ms-excel
xls            application/vnd.ms-excel
xlt            application/vnd.ms-excel
xlw            application/vnd.ms-excel
xof            x-world/x-vrml
xpm            image/x-xpixmap
xwd            image/x-xwindowdump
z              application/x-compress
zip            application/zip