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PHP gd_info

PHP original manual for gd_info [ show | php.net ]

gd_info

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

gd_info — Retrieve information about the currently installed GD library

Description

array gd_info ( void )

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

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 boolean 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.
T1Lib Support boolean value. TRUE if T1Lib support is included.
GIF Read Support boolean value. TRUE if support for reading GIF images is included.
GIF Create Support boolean value. TRUE if support for creating GIF images is included.
JPEG Support boolean value. TRUE if JPEG support is included.
PNG Support boolean value. TRUE if PNG support is included.
WBMP Support boolean value. TRUE if WBMP support is included.
XBM Support boolean value. TRUE if XBM support is included.
WebP Support boolean value. TRUE if WebP support is included.

Note:

Previous to PHP 5.3.0, the JPEG Support attribute was named JPG Support.

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)
  ["T1Lib 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)
}

Changelog

Version Description
5.6.12 WebP Support added.
5.3.0 JPG Support attribute renamed to JPEG Support.

See Also