gd_info
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.
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
- imagepng() - Output a PNG image to either the browser or a file
- imagejpeg() - Output image to browser or file
- imagegif() - Output image to browser or file
- imagewbmp() - Output image to browser or file
- imagewebp() - Output a WebP image to browser or file
- imagetypes() - Return the image types supported by this PHP build
© 1997–2017 The PHP Documentation Group
Licensed under the Creative Commons Attribution License v3.0 or later.
https://secure.php.net/manual/en/function.gd-info.php