Output GD2 image to browser or file

imagegammacorrect
imagegd
GD and Image Functions
PHP Manual

# imagegd2

(PHP 4 >= 4.0.7, PHP 5)

imagegd2 — Output GD2 image to browser or file

### Description

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

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.

### See Also

- imagegd() - Output GD image to browser or file

imagegammacorrect
imagegd
GD and Image Functions
PHP Manual