imagecolorstotal
(PHP 4, PHP 5, PHP 7)
imagecolorstotal — Find out the number of colors in an image's palette
Description
int imagecolorstotal ( resource $image )Returns the number of colors in an image palette.
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: 128See 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
← imagecolorsforindex
imagecolortransparent →
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