(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)
}