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gd_info
(PHP 4 >= 4.3.0, PHP 5, PHP 7)
gd_info — Retrieve information about the currently installed GD library
Description
Gets information about the version and capabilities of the installed GD library.
Return Values
Returns an associative array.
| Attribute | Meaning |
|---|---|
| GD Version | string value describing the installed libgd version. |
| FreeType Support | boolean value. TRUE
if FreeType Support is installed. |
| FreeType Linkage | string value describing the way in which
FreeType was linked. Expected values are: 'with freetype',
'with TTF library', and 'with unknown library'. This element will
only be defined if FreeType Support evaluated to
TRUE. |
| T1Lib Support | boolean value. TRUE
if T1Lib support is included. |
| GIF Read Support | boolean value. TRUE
if support for reading GIF
images is included. |
| GIF Create Support | boolean value. TRUE
if support for creating GIF
images is included. |
| JPEG Support | boolean value. TRUE
if JPEG support is included. |
| PNG Support | boolean value. TRUE
if PNG support is included. |
| WBMP Support | boolean value. TRUE
if WBMP support is included. |
| XBM Support | boolean value. TRUE
if XBM support is included. |
| WebP Support | boolean value. TRUE
if WebP support is included. |
Note:
Previous to PHP 5.3.0, the JPEG Support attribute was named JPG Support.
Changelog
| Version | Description |
|---|---|
| 5.6.12 | WebP Support added. |
| 5.3.0 | JPG Support attribute renamed to JPEG Support. |
Examples
Example #1 Using gd_info()
<?php
var_dump(gd_info());
?>
The above example will output something similar to:
array(10) {
["GD Version"]=>
string(24) "bundled (2.1.0 compatible)"
["FreeType Support"]=>
bool(false)
["T1Lib Support"]=>
bool(false)
["GIF Read Support"]=>
bool(true)
["GIF Create Support"]=>
bool(false)
["JPEG Support"]=>
bool(false)
["PNG Support"]=>
bool(true)
["WBMP Support"]=>
bool(true)
["XBM Support"]=>
bool(false)
["WebP Support"]=>
bool(false)
}
See Also
- imagepng() - Output a PNG image to either the browser or a file
- imagejpeg() - Output image to browser or file
- imagegif() - Output image to browser or file
- imagewbmp() - Output image to browser or file
- imagewebp() - Output a WebP image to browser or file
- imagetypes() - Return the image types supported by this PHP build
English translation
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Document created the 30/01/2003, last modified the 26/10/2018
Source of the printed document:https://www.gaudry.be/en/php-rf-function.gd-info.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
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