imagegd
(PHP 4 >= 4.0.7, PHP 5, PHP 7)
imagegd — Output GD image to browser or file
Description
Outputs a GD image to the given to.
Parameters
-
image -
An image resource, returned by one of the image creation functions, such as imagecreatetruecolor().
-
to -
The path or an open stream resource (which is automatically being closed after this function returns) to save the file to. If not set or
NULL, the raw image stream will be outputted directly.
Return Values
Returns TRUE on success or FALSE on failure.
However, if libgd fails to output the image, this function returns TRUE.
Changelog
| Version | Description |
|---|---|
| 7.2.0 | imagegd() now allows to output truecolor images. Formerly, these have been implicitly converted to palette. |
| 5.4.0 |
Added support for passing a stream resource to
to.
|
Examples
Example #1 Outputting a GD 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", $text_color);
// Output the image
imagegd($im);
// Free up memory
imagedestroy($im);
?>
Example #2 Saving a GD 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", $text_color);
// Save the gd image
// The file format for GD images is .gd, see http://www.libgd.org/GdFileFormats
imagegd($im, 'simple.gd');
// Free up memory
imagedestroy($im);
?>
Notes
Note:
The GD format is commonly used to allow fast loading of parts of images. Note that the GD format is only usable in GD-compatible applications.
English translation
You have asked to visit this site in English. For now, only the interface is translated, but not all the content yet.If you want to help me in translations, your contribution is welcome. All you need to do is register on the site, and send me a message asking me to add you to the group of translators, which will give you the opportunity to translate the pages you want. A link at the bottom of each translated page indicates that you are the translator, and has a link to your profile.
Thank you in advance.
Document created the 30/01/2003, last modified the 26/10/2018
Source of the printed document:https://www.gaudry.be/en/php-rf-imagegd.html
The infobrol is a personal site whose content is my sole responsibility. The text is available under CreativeCommons license (BY-NC-SA). More info on the terms of use and the author.
References
These references and links indicate documents consulted during the writing of this page, or which may provide additional information, but the authors of these sources can not be held responsible for the content of this page.
The author This site is solely responsible for the way in which the various concepts, and the freedoms that are taken with the reference works, are presented here. Remember that you must cross multiple source information to reduce the risk of errors.
