imagecolorstotal
Find out the number of colors in an image's palette
Description
int imagecolorstotal
( resource $image
)
Parameters
-
image
-
An image resource, returned by one of the image creation functions, such
as imagecreatefromgif.
Return Values
Returns the number of colors in the specified image's palette or 0 for
truecolor images.
Examples
Example #1 Getting total number of colors in an image using imagecolorstotal
<?php
// Create image instance
$im = imagecreatefromgif('php.gif');
echo 'Total colors in image: ' . imagecolorstotal($im);
// Free image
imagedestroy($im);
?>
The above example will output
something similar to:
Total colors in image: 128
See Also
- imagecolorat
- imagecolorsforindex
- imageistruecolor