PHP Manual
GD and Image Functions
Retrieve information about the currently installed GD library

gd_info

(PHP 4 >= 4.3.0, PHP 5, PHP 7, PHP 8)

gd_info — Retrieve information about the currently installed GD library

Description

gd_info(): array

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

Parameters

This function has no parameters.

Return Values

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.

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)
  ["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)
}