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
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References
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