Php/docs/function.imagecolorstotal
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imagecolorstotal
(PHP 4, PHP 5, PHP 7)
imagecolorstotal — Find out the number of colors in an image's palette
Description
imagecolorstotal
( resource $image
) : int
Returns the number of colors in an image palette.
Parameters
image- An image resource, returned by one of the image creation functions, such as imagecreatetruecolor().
Return Values
Returns the number of colors in the specified image's palette or 0 for truecolor images.
Examples
Example #1 Getting total number of colors in an image using imagecolorstotal()
<?php// Create image instance$im = imagecreatefromgif('php.gif');echo 'Total colors in image: ' . imagecolorstotal($im);// Free imageimagedestroy($im);?>
The above example will output something similar to:
Total colors in image: 128
See Also
- imagecolorat() - Get the index of the color of a pixel
- imagecolorsforindex() - Get the colors for an index
- imageistruecolor() - Finds whether an image is a truecolor image
