(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 readingGIF images is included. |
| GIF Create Support | bool value. true if support for creatingGIF 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) }