image_type_to_mime_type

(PHP 4 >= 4.3.0, PHP 5, PHP 7)

image_type_to_mime_type — ȡ�� getimagesize��exif_read_data��exif_thumbnail��exif_imagetype ��ص�ͼ��͵� MIME ��

image_type_to_mime_type ( int $imagetype ) : string

image_type_to_mime_type() ��ж�һ�� IMAGETYPE �� MIME ��͡�

Example #1 image_type_to_mime_type (file)


<?php
header("Content-type: " . image_type_to_mime_type(IMAGETYPE_PNG));
?>

��ֵ��£�

**��ֵ��**
ͼ��ͣ�`imagetype`��	��ֵ
`IMAGETYPE_GIF`	image/gif
`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

Note: ��Ҫ GD �⡣