PHP Dokumentation: Function gd-info
12. Januar 2010 von werner
gd_info
(PHP 4 >= 4.3.0, PHP 5)
gd_info — Retrieve information about the currently installed GD library
Beschreibung
array gd_info ( void )
Gets information about the version and capabilities of the installed GD library.
Rückgabewerte
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. |
Hinweis: Previous to PHP 5.3.0, the JPEG Support attribute was named JPG Support.
Beispiele
Beispiel #1 Using gd_info()
<?php
var_dump(gd_info());
?>Das oben gezeigte Beispiel erzeugteine ähnliche Ausgabe wie:
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 | Beschreibung |
|---|---|
| 5.3.0 | JPG Support attribute renamed to JPEG Support. |
Siehe auch
- imagepng() – Ausgabe eines Bildes an den Browser oder in eine Datei
- imagejpeg() – Ausgabe des Bildes im Browser oder als Datei
- imagegif() – Ausgabe eines Bildes an den Browser oder in eine Datei
- imagewbmp() – Output image to browser or file
- imagetypes() – Gibt die von der aktuell verwendeten PHP-Version unterstützten Grafik-Formate zurück
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