image_type_to_mime_type
(PHP 4 >= 4.3.0, PHP 5)
image_type_to_mime_type — Get Mime-Type for image-type returned by getimagesize, exif_read_data, exif_thumbnail, exif_imagetype
Описание
string image_type_to_mime_type
( int $imagetype
)
The image_type_to_mime_type() function will determine the Mime-Type for an IMAGETYPE constant.
Список параметров
- imagetype
-
One of the IMAGETYPE_XXX constants
Возвращаемые значения
The returned values are as follows
| imagetype | Returned value |
|---|---|
| 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 |
| IMAGETYPE_ICO | image/vnd.microsoft.icon |
Примеры
Пример #1 image_type_to_mime_type (file)
<?php
header("Content-type: " . image_type_to_mime_type(IMAGETYPE_PNG));
?>
Примечания
Замечание: This function does not require the GD image library.
- PHP Руководство
- Функции по категориям
- Индекс функций
- Справочник функций
- Обработка и генерация изображений
- Обработка изображений и GD
- gd_info
- getimagesize
- getimagesizefromstring
- image_type_to_extension
- image_type_to_mime_type
- image2wbmp
- imageaffine
- imageaffinematrixconcat
- imageaffinematrixget
- imagealphablending
- imageantialias
- imagearc
- imagechar
- imagecharup
- imagecolorallocate
- imagecolorallocatealpha
- imagecolorat
- imagecolorclosest
- imagecolorclosestalpha
- imagecolorclosesthwb
- imagecolordeallocate
- imagecolorexact
- imagecolorexactalpha
- imagecolormatch
- imagecolorresolve
- imagecolorresolvealpha
- imagecolorset
- imagecolorsforindex
- imagecolorstotal
- imagecolortransparent
- imageconvolution
- imagecopy
- imagecopymerge
- imagecopymergegray
- imagecopyresampled
- imagecopyresized
- imagecreate
- imagecreatefromgd2
- imagecreatefromgd2part
- imagecreatefromgd
- imagecreatefromgif
- imagecreatefromjpeg
- imagecreatefrompng
- imagecreatefromstring
- imagecreatefromwbmp
- imagecreatefromwebp
- imagecreatefromxbm
- imagecreatefromxpm
- imagecreatetruecolor
- imagecrop
- imagecropauto
- imagedashedline
- imagedestroy
- imageellipse
- imagefill
- imagefilledarc
- imagefilledellipse
- imagefilledpolygon
- imagefilledrectangle
- imagefilltoborder
- imagefilter
- imageflip
- imagefontheight
- imagefontwidth
- imageftbbox
- imagefttext
- imagegammacorrect
- imagegd2
- imagegd
- imagegif
- imagegrabscreen
- imagegrabwindow
- imageinterlace
- imageistruecolor
- imagejpeg
- imagelayereffect
- imageline
- imageloadfont
- imagepalettecopy
- imagepalettetotruecolor
- imagepng
- imagepolygon
- imagepsbbox
- imagepsencodefont
- imagepsextendfont
- imagepsfreefont
- imagepsloadfont
- imagepsslantfont
- imagepstext
- imagerectangle
- imagerotate
- imagesavealpha
- imagescale
- imagesetbrush
- imagesetinterpolation
- imagesetpixel
- imagesetstyle
- imagesetthickness
- imagesettile
- imagestring
- imagestringup
- imagesx
- imagesy
- imagetruecolortopalette
- imagettfbbox
- imagettftext
- imagetypes
- imagewbmp
- imagewebp
- imagexbm
- iptcembed
- iptcparse
- jpeg2wbmp
- png2wbmp
Коментарии
If you are working with Images only and you need mime type (e.g. for headers), then this is a fast and reliable technique:
<?php
$file = 'path/to/image.jpg';
$image_mime = image_type_to_mime_type(exif_imagetype($file));
?>
It will output true image mime type even if you rename your image file.