GD_INFO(3) 1 GD_INFO(3)
gd_info - Retrieve information about the currently installed GD library
SYNOPSIS
array gd_info (void )
DESCRIPTION
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(3)
+-------------------+---------------------------------------------------+
| Attribute | |
| | |
| | Meaning |
| | |
+-------------------+---------------------------------------------------+
| GD Version | |
| | |
| | |
| | string value describing the installed libgd ver- |
| | sion. |
| | |
| 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(3)
<?php
var_dump(gd_info());
?>
The above example will output something similar to:
array(9) {
["GD Version"]=>
string(24) "bundled (2.0 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)
}
CHANGELOG
+--------+------------------------------------------------+
|Version | |
| | |
| | Description |
| | |
+--------+------------------------------------------------+
| 5.5.0 | |
| | |
| | |
| | WebP Support added. |
| | |
| 5.3.0 | |
| | |
| | |
| | JPG Support attribute renamed to JPEG Support. |
| | |
+--------+------------------------------------------------+
SEE ALSO
imagepng(3), imagejpeg(3), imagegif(3), imagewbmp(3), imagetypes(3).
PHP Documentation Group GD_INFO(3)