ImagePNG

(PHP3 >= 3.0.13, PHP4 >= 4.0b4)

ImagePNG --  Output a PNG image to either the browser or a file

Description

int imagepng (int im [, string filename])

The ImagePng() outputs a GD image stream (im) in PNG format to standard output (usually the browser) or, if a filename is given by the filename it outputs the image to the file.


<?php
$im = ImageCreateFromPng("test.png");
ImagePng($im);
?>