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gd_info

Image-Funktionen PHP Manual

(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.

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.

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

Beispiele

PHP Code
1
var_dump(gd_info());

Das oben gezeigte Beispiel erzeugt eine 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
Image-Funktionen PHP Manual