Output GD2 image to browser or file

Description

bool imagegd2 ( resource $image [, string $filename [, int $chunk_size [, int $type = IMG_GD2_RAW ]]] )

Outputs a GD2 image to the given filename.

Parameters

image: An image resource, returned by one of the image creation functions, such as imagecreatetruecolor().
filename: The path to save the file to. If not set or NULL, the raw image stream will be outputted directly.
chunk_size: Chunk size.
type: Either IMG_GD2_RAW or IMG_GD2_COMPRESSED. Default is IMG_GD2_RAW.

Return Values

Returns TRUE on success or FALSE on failure.

Examples

Example #1 Outputting a GD2 image


<?php
// Create a blank image and add some text
$im = imagecreatetruecolor(120, 20);
$text_color = imagecolorallocate($im, 233, 14, 91);
imagestring($im, 1, 5, 5,  "A Simple Text String", $text_color);

// Output the image
imagegd2($im);

// Free up memory
imagedestroy($im);
?>

Example #2 Saving a GD2 image


<?php
// Create a blank image and add some text
$im = imagecreatetruecolor(120, 20);
$text_color = imagecolorallocate($im, 233, 14, 91);
imagestring($im, 1, 5, 5,  "A Simple Text String", $text_color);

// Save the gd2 image
// The file format for GD2 images is .gd2, see http://www.libgd.org/GdFileFormats
imagegd2($im, 'simple.gd2');

// Free up memory
imagedestroy($im);
?>

Notes

Note: This function requires GD 2.0.1 or later (2.0.28 or later is recommended).

Note:
The GD2 format is commonly used to allow fast loading of parts of images. Note that the GD2 format is only usable in GD2-compatible applications.

Changelog

Version	Description
4.3.2	`chunk_size` and `type` were added.