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# ImagePNG

(3.0.13 - 3.0.18 only, PHP 4 >= 4.0.0)

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);
    ?>

See also ImageGIF(), ImageWBMP(), ImageJPEG(), ImageTypes().

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