gd_info

Retrieve information about the currently installed GD library

&reftitle.description; `array` `gd_info`

Gets information about the version and capabilities of the installed GD library.

&reftitle.parameters; &no.function.parameters;
&reftitle.returnvalues;

Returns an associative array.

## Elements of array returned by `gd_info`

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.

&reftitle.examples;

### Using `gd_info`

    <?php
    var_dump(gd_info());
    ?>

&example.outputs.similar;

    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)
    }

&reftitle.seealso;

- `imagepng`
- `imagejpeg`
- `imagegif`
- `imagewbmp`
- `imagewebp`
- `imageavif`
- `imagetypes`