IMAGECOLORSTOTAL(3) 1 IMAGECOLORSTOTAL(3)
imagecolorstotal - Find out the number of colors in an image's palette
SYNOPSIS
int imagecolorstotal (resource $image)
DESCRIPTION
Returns the number of colors in an image palette.
PARAMETERS
o $image
- An image resource, returned by one of the image creation functions, such as imagecreatefromgif(3).
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(3)
<?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(3), imagecolorsforindex(3), imageistruecolor(3).
PHP Documentation Group IMAGECOLORSTOTAL(3)
