image_type_to_mime_type — 用于取得getimagesize,exif_read_data,exif_thumbnail,exif_imagetype 所返回的图像类型的 MIME 类型。
string image_type_to_mime_type ( int $imagetype )
返回值常量
|
|
---|---|
图像类型(imagetype)
|
返回值
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IMAGETYPE_JPEG
|
image/jpeg
|
IMAGETYPE_PNG
|
image/png
|
IMAGETYPE_SWF
|
application/x-shockwave-flash
|
IMAGETYPE_PSD
|
image/psd
|
IMAGETYPE_BMP
|
image/bmp
|
IMAGETYPE_TIFF_II (intel byte order)
|
image/tiff
|
IMAGETYPE_TIFF_MM (motorola byte order)
|
image/tiff
|
IMAGETYPE_JPC
|
application/octet-stream
|
IMAGETYPE_JP2
|
image/jp2
|
IMAGETYPE_JPX
|
application/octet-stream
|
IMAGETYPE_JB2
|
application/octet-stream
|
IMAGETYPE_SWC
|
application/x-shockwave-flash
|
IMAGETYPE_IFF
|
image/iff
|
IMAGETYPE_WBMP
|
image/vnd.wap.wbmp
|
IMAGETYPE_XBM
|
image/xbm
|
实例:
<?php //判断一个 IMAGETYPE 常量的 MIME 类型 header ( "Content-type: " . image_type_to_mime_type ( IMAGETYPE_PNG )); ?>