gd_info
PHP function
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(PHP 4 >= 4.3.0, PHP 5, PHP 7, PHP 8)
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 Parameters
Return Values
Returns an associative array.
| 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
Using gd_info()
php
<?php
var_dump(gd_info());
?>The above example will output something similar to:
output
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)
}