(PHP 7 >= 7.2.0)
imagebmp — Output a BMP image to browser or file
Outputs or saves a BMP version of the given image.
imageAn image resource, returned by one of the image creation functions, such as imagecreatetruecolor().
toThe path or an open stream resource (which is automatically being closed after this function returns) to save the file to. If not set or NULL, the raw image stream will be outputted directly.
compressedWhether the BMP should be compressed with run-length encoding (RLE), or not.
Returns TRUE on success or FALSE on failure.
Example #1 Saving a BMP file
<?php
// Create a blank image and add some text
$im = imagecreatetruecolor(120, 20);
$text_color = imagecolorallocate($im, 233, 14, 91);
imagestring($im, 1, 5, 5, 'BMP with PHP', $text_color);
// Save the image
imagebmp($im, 'php.bmp');
// Free up memory
imagedestroy($im);
?>