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(PHP 4 >= 4.3.0, PHP 5, PHP 7, PHP 8)
gd_info — Retrieve information about the currently installed GD library
Gets information about the version and capabilities of the installed GD library.
This function has no parameters.
Returns an associative array.
Attribute | Meaning |
---|---|
GD Version | string value describing the installed
libgd version. |
FreeType Support | bool 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 . |
GIF Read Support | bool value. true
if support for reading GIF
images is included. |
GIF Create Support | bool value. true
if support for creating GIF
images is included. |
JPEG Support | bool value. true
if JPEG support is included. |
PNG Support | bool value. true
if PNG support is included. |
WBMP Support | bool value. true
if WBMP support is included. |
XBM Support | bool value. true
if XBM support is included. |
WebP Support | bool value. true
if WebP support is included. |
AVIF Support | bool value. true
if AVIF support is included.
Available as of PHP 8.1.0. |
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) ["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) ["AVIF Support"]=> bool(false) }