06-07-2017
Yes, that's what I thought as well. I guess the only option for now would be to insert the image while saving the new excel file.
Thank you for all the support you have provided so far, appreciate it!
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LEARN ABOUT PHP
imagesavealpha
IMAGESAVEALPHA(3) 1 IMAGESAVEALPHA(3)
imagesavealpha - Set the flag to save full alpha channel information (as opposed to single-color transparency) when saving PNG images
SYNOPSIS
bool imagesavealpha (resource $image, bool $saveflag)
DESCRIPTION
imagesavealpha(3) sets the flag to attempt to save full alpha channel information (as opposed to single-color transparency) when saving PNG
images.
You have to unset alphablending ( imagealphablending($im, false)), to use it.
Alpha channel is not supported by all browsers, if you have problem with your browser, try to load your script with an alpha channel com-
pliant browser, e.g. latest Mozilla.
PARAMETERS
o $
image -An image resource, returned by one of the image creation functions, such as imagecreatetruecolor(3).
o $saveflag
- Whether to save the alpha channel or not. Default to FALSE.
RETURN VALUES
Returns TRUE on success or FALSE on failure.
EXAMPLES
Example #1
imagesavealpha(3) example
<?php
// Load a png image with alpha channels
$png = imagecreatefrompng('./alphachannel_example.png');
// Do required operations
// Turn off alpha blending and set alpha flag
imagealphablending($png, false);
imagesavealpha($png, true);
// Output image to browser
header('Content-Type: image/png');
imagepng($png);
imagedestroy($png);
?>
NOTES
Note
This function requires GD 2.0.1 or later (2.0.28 or later is recommended).
SEE ALSO
imagealphablending(3).
PHP Documentation Group IMAGESAVEALPHA(3)