PHP 文件上传后缀名与文件类型对照表

Question

PHP文件上传后缀名与文件类型对照表，我们经常上传文件，需要判断文档的类型，我们不能仅仅判断文件的后缀就可以了，为了安全我们还需要严格的判断文档类型，因为后缀是可以伪造的。

IE浏览器

id	后缀名	php识别出的文件类型
0	gif	image/gif
1	jpg	image/jpeg
2	png	image/png
3	bmp	image/bmp
4	psd	application/octet-stream
5	ico	image/x-icon
6	rar	application/octet-stream
7	zip	application/zip
8	7z	application/octet-stream
9	exe	application/octet-stream
10	avi	video/avi
11	rmvb	application/vnd.rn-realmedia-vbr
12	3gp	application/octet-stream
13	flv	application/octet-stream
14	mp3	audio/mpeg
15	wav	audio/wav
16	krc	application/octet-stream
17	lrc	application/octet-stream
18	txt	text/plain
19	doc	application/msword
20	xls	application/vnd.ms-excel
21	ppt	application/vnd.ms-powerpoint
22	pdf	application/pdf
23	chm	application/octet-stream
24	mdb	application/msaccess
25	sql	application/octet-stream
26	con	application/octet-stream
27	log	text/plain
28	dat	application/octet-stream
29	ini	application/octet-stream
30	php	application/octet-stream
31	html	text/html
32	ttf	application/octet-stream
33	fon	application/octet-stream
34	js	application/x-javascript
35	xml	text/xml
36	dll	application/octet-stream
37	dll	application/octet-stream

火狐浏览器

id	后缀名	php识别出的文件类型
0	gif	image/gif
1	jpg	image/pjpeg
2	png	image/x-png
3	bmp	image/bmp
4	psd	application/octet-stream
5	ico	image/x-icon
6	rar	application/octet-stream
7	zip	application/x-zip-compressed
8	7z	application/octet-stream
9	exe	application/octet-stream
10	avi	video/avi
11	rmvb	application/vnd.rn-realmedia-vbr
12	3gp	application/octet-stream
13	flv	application/octet-stream
14	mp3	audio/mpeg
15	wav	audio/wav
16	krc	application/octet-stream
17	lrc	application/octet-stream
18	txt	text/plain
19	doc	application/msword
20	xls	application/vnd.ms-excel
21	ppt	application/vnd.ms-powerpoint
22	pdf	application/pdf
23	chm	application/octet-stream
24	mdb	application/msaccess
25	sql	text/plain
26	con	application/octet-stream
27	log	text/plain
28	dat	text/plain
29	ini	application/octet-stream
30	php	application/octet-stream
31	html	text/html
32	ttf	application/octet-stream
33	fon	application/octet-stream
34	js	text/html
35	xml	text/xml
36	dll	application/octet-stream
37	class	application/java