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image2wbmp(3) [php man page]

IMAGE2WBMP(3)								 1							     IMAGE2WBMP(3)

image2wbmp - Output image to browser or file

SYNOPSIS
bool image2wbmp (resource $image, [string $filename], [int $threshold]) DESCRIPTION
image2wbmp(3) outputs or save a WBMP version of the given $image. PARAMETERS
o $ image -An image resource, returned by one of the image creation functions, such as imagecreatetruecolor(3). o $filename - Path to the saved file. If not given, the raw image stream will be output directly. o $threshold - Threshold value, between 0 and 255 (inclusive). RETURN VALUES
Returns TRUE on success or FALSE on failure. EXAMPLES
Example #1 image2wbmp(3) example <?php $file = 'php.png'; $image = imagecreatefrompng($file); header('Content-Type: ' . image_type_to_mime_type(IMAGETYPE_WBMP)); image2wbmp($image); // output the stream directly imagedestroy($image); ?> NOTES
Note WBMP support is only available if PHP was compiled against GD-1.8 or later. SEE ALSO
imagewbmp(3). PHP Documentation Group IMAGE2WBMP(3)

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IMAGEPNG(3)								 1							       IMAGEPNG(3)

imagepng - Output a PNG image to either the browser or a file

SYNOPSIS
bool imagepng (resource $image, [string $filename], [int $quality], [int $filters]) DESCRIPTION
Outputs or saves a PNG image from the given $image. PARAMETERS
o $ image -An image resource, returned by one of the image creation functions, such as imagecreatetruecolor(3). o $filename -The path to save the file to. If not set or NULL, the raw image stream will be outputted directly. Note NULL is invalid if the $quality and $filters arguments are not used. o $quality - Compression level: from 0 (no compression) to 9. o $filters - Allows reducing the PNG file size. It is a bitmask field which may be set to any combination of the PNG_FILTER_XXX constants. PNG_NO_FILTER or PNG_ALL_FILTERS may also be used to respectively disable or activate all filters. RETURN VALUES
Returns TRUE on success or FALSE on failure. CHANGELOG
+--------+--------------------------------+ |Version | | | | | | | Description | | | | +--------+--------------------------------+ | 5.1.3 | | | | | | | Added the $filters parameter. | | | | | 5.1.2 | | | | | | | Added the $quality parameter. | | | | +--------+--------------------------------+ EXAMPLES
<?php $im = imagecreatefrompng("test.png"); header('Content-Type: image/png'); imagepng($im); imagedestroy($im); ?> SEE ALSO
imagegif(3), imagewbmp(3), imagejpeg(3), imagetypes(3), imagesavealpha(3). PHP Documentation Group IMAGEPNG(3)
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