锟叫讹拷一锟斤拷图锟斤拷锟斤拷锟斤拷锟�

说锟斤拷

exif_imagetype ( string $filename ) : int

exif_imagetype() 锟斤拷取一锟斤拷图锟斤拷牡锟揭伙拷锟斤拷纸诓锟斤拷锟斤拷锟斤拷签锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟� exif 锟斤拷锟斤拷锟矫碉拷锟剿诧拷支锟街碉拷锟侥硷拷锟斤拷锟斤拷锟较伙拷锟� $_SERVER['HTTP_ACCEPT'] 锟斤拷锟绞癸拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷欠锟斤拷锟斤拷锟斤拷示某锟斤拷指锟斤拷锟斤拷图锟斤拷

锟斤拷锟斤拷

filename: 锟斤拷锟斤拷锟斤拷图锟斤拷锟侥硷拷锟斤拷锟斤拷

锟斤拷锟斤拷值

锟斤拷锟斤拷锟斤拷锟斤拷锟角★拷锟斤拷锟角╋拷锟斤拷蚍祷锟揭伙拷锟斤拷锟接︼拷某锟斤拷锟斤拷锟斤拷锟斤拷蚍祷锟� FALSE锟斤拷锟斤拷锟斤拷值锟斤拷 getimagesize() 锟斤拷锟截碉拷锟斤拷锟斤拷锟叫碉拷锟斤拷锟斤拷 2 锟斤拷值锟斤拷一锟斤拷锟侥ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷枚唷�

锟斤拷锟斤拷锟斤拷志

锟芥本	说锟斤拷
4.3.2	支锟斤拷 JPC锟斤拷JP2锟斤拷JPX锟斤拷JB2锟斤拷XBM 锟皆硷拷 WBMP
4.3.0	支锟斤拷 SWC

预锟斤拷锟藉常锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟铰筹拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷 exif_imagetype() 锟斤拷锟杰的凤拷锟斤拷值锟斤拷

**图锟斤拷锟斤拷锟酵筹拷锟斤拷**
值	锟斤拷锟斤拷
1	`IMAGETYPE_GIF`
2	`IMAGETYPE_JPEG`
3	`IMAGETYPE_PNG`
4	`IMAGETYPE_SWF`
5	`IMAGETYPE_PSD`
6	`IMAGETYPE_BMP`
7	`IMAGETYPE_TIFF_II`锟斤拷Intel 锟街斤拷顺锟斤拷
8	`IMAGETYPE_TIFF_MM`锟斤拷Motorola 锟街斤拷顺锟斤拷
9	`IMAGETYPE_JPC`
10	`IMAGETYPE_JP2`
11	`IMAGETYPE_JPX`
12	`IMAGETYPE_JB2`
13	`IMAGETYPE_SWC`
14	`IMAGETYPE_IFF`
15	`IMAGETYPE_WBMP`
16	`IMAGETYPE_XBM`

锟斤拷锟斤拷

Example #1 exif_imagetype() 锟斤拷锟斤拷


<?php

if (exif_imagetype("image.gif") != IMAGETYPE_GIF) {
    echo "The picture is not a gif";
}

?>

锟轿硷拷

getimagesize() - 取锟斤拷图锟斤拷锟叫�