imagecolorstotal

(PHP 4, PHP 5, PHP 7, PHP 8)

imagecolorstotalFind out the number of colors in an image's palette

Description

imagecolorstotal(GdImage $image): int

Returns the number of colors in an image palette.

Parameters

image

A GdImage object, 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.

Changelog

Version Description
8.0.0 image expects a GdImage instance now; previously, a resource was expected.

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

Here you can write a comment


Please enter at least 10 characters.
Loading... Please wait.
* Pflichtangabe
There are no comments available yet.

PHP cURL Tutorial: Using cURL to Make HTTP Requests

cURL is a powerful PHP extension that allows you to communicate with different servers using various protocols, including HTTP, HTTPS, FTP, and more. ...

TheMax

Autor : TheMax
Category: PHP-Tutorials

Midjourney Tutorial - Instructions for beginners

There is an informative video about Midjourney, the tool for creating digital images using artificial intelligence, entitled "Midjourney tutorial in German - instructions for beginners" ...

Mike94

Autor : Mike94
Category: KI Tutorials

Basics of views in MySQL

Views in a MySQL database offer the option of creating a virtual table based on the result of an SQL query. This virtual table can be queried like a normal table without changing the underlying data. ...

admin

Autor : admin
Category: mySQL-Tutorials

Publish a tutorial

Share your knowledge with other developers worldwide

Share your knowledge with other developers worldwide

You are a professional in your field and want to share your knowledge, then sign up now and share it with our PHP community

learn more

Publish a tutorial