image2wbmp
(PHP 4 >= 4.0.5, PHP 5)
image2wbmp — Output image to browser or file
說明
bool image2wbmp
( resource $image
[, string $filename
[, int $threshold
]] )
image2wbmp() outputs or save a WBMP version of the given image .
參數
- image
-
An image resource, returned by one of the image creation functions, such as imagecreatetruecolor().
- filename
-
Path to the saved file. If not given, the raw image stream will be outputed directly.
- threshold
-
Return值
如果成功則回傳 TRUE，失敗則回傳 FALSE。
範例
Example#1 image2wbmp() example
<?php
$file = 'php.png';
$image = imagecreatefrompng($file);
header('Content-type: ' . image_type_to_mime_type(IMAGETYPE_WBMP));
image2wbmp($image); // output the stream directly
?>
註釋
Note: WBMP support is only available if PHP was compiled against GD-1.8 or later.