Please note that this function does not supported alpha/transparency BMP. It is not doccumented but tested from PHP 5.4 - 8.3 it said 'image.bmp is not a valid BMP file'.
(PHP 7 >= 7.2.0, PHP 8)
imagecreatefrombmp — Create a new image from file or URL
imagecreatefrombmp() returns an image identifier representing the image obtained from the given filename.
A URL can be used as a filename with this function if the fopen wrappers have been enabled. See fopen() for more details on how to specify the filename. See the Supported Protocols and Wrappers for links to information about what abilities the various wrappers have, notes on their usage, and information on any predefined variables they may provide.
filenamePath to the BMP image.
Returns an image object on success, false on errors.
| Version | Description |
|---|---|
| 8.0.0 | On success, this function returns a GDImage instance now; previously, a resource was returned. |
Example #1 Convert an BMP image to a PNG image using imagecreatefrombmp()
<?php
// Load the BMP file
$im = imagecreatefrombmp('./example.bmp');
// Convert it to a PNG file with default settings
imagepng($im, './example.png');
imagedestroy($im);
?>