imagecolorsforindex
imagecolortransparent
GD and Image Funkcje
PHP Manual

# imagecolorstotal

(PHP 4, PHP 5)

imagecolorstotal — Find out the number of colors in an image's palette

### Opis

int imagecolorstotal ( resource `$image` )

Returns the number of colors in an image palette.

### Parametry

`image`

  An image resource, returned by one of the image creation functions, such as imagecreatefromgif().

### Zwracane wartości

Returns the number of colors in the specified image's palette or 0 for truecolor images.

### Przykłady

Przykład #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);
?>`

Powyższy przykład wyświetli coś podobnego do:

    Total colors in image: 128

### Zobacz też:

- 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
GD and Image Funkcje
PHP Manual