Actually this produces black and white images only, as does the jpeg2wbmp function.
(PHP 4 >= 4.0.5, PHP 5, PHP 7)
jpeg2wbmp — Convert JPEG image file to WBMP image file
This function has been DEPRECATED as of PHP 7.2.0, and REMOVED as of PHP 8.0.0. Relying on this function is highly discouraged.
$jpegname
,$wbmpname
,$dest_height
,$dest_width
,$threshold
Converts a JPEG file into a WBMP file.
jpegname
Path to JPEG file.
wbmpname
Path to destination WBMP file.
dest_height
Destination image height.
dest_width
Destination image width.
threshold
Threshold value, between 0 and 8 (inclusive).
Returns true
on success or false
on failure.
However, if libgd fails to output the image, this function returns true
.
Example #1 jpeg2wbmp() example
<?php
// Path to the target jpeg
$path = './test.jpg';
// Get the image sizes
$image = getimagesize($path);
// Convert image
jpeg2wbmp($path, './test.wbmp', $image[1], $image[0], 5);
?>
Actually this produces black and white images only, as does the jpeg2wbmp function.