Vordefinierte Konstanten

Folgende Konstanten werden von dieser Erweiterung definiert und stehen nur zur Verf├╝gung, wenn die Erweiterung entweder statisch in PHP kompiliert oder dynamisch zur Laufzeit geladen wurde.

GD_VERSION (string)
The GD version PHP was compiled against.
GD_MAJOR_VERSION (int)
The GD major version PHP was compiled against.
GD_MINOR_VERSION (int)
The GD minor version PHP was compiled against.
GD_RELEASE_VERSION (int)
The GD release version PHP was compiled against.
GD_EXTRA_VERSION (string)
The GD "extra" version (beta/rc..) PHP was compiled against.
GD_BUNDLED (int)
When the bundled version of GD is used this is 1 otherwise its set to 0.
IMG_BMP (int)
Used as a return value by imagetypes()
IMG_GIF (int)
Used as a return value by imagetypes()
IMG_JPG (int)
Used as a return value by imagetypes()
IMG_JPEG (int)
Used as a return value by imagetypes()

Hinweis:

This constant has the same value as IMG_JPG

IMG_PNG (int)
Used as a return value by imagetypes()
IMG_WBMP (int)
Used as a return value by imagetypes()
IMG_XPM (int)
Used as a return value by imagetypes()
IMG_WEBP (int)
Used as a return value by imagetypes() Available as of PHP 7.0.10.
IMG_COLOR_TILED (int)
Special color option which can be used instead of a color allocated with imagecolorallocate() or imagecolorallocatealpha().
IMG_COLOR_STYLED (int)
Special color option which can be used instead of a color allocated with imagecolorallocate() or imagecolorallocatealpha().
IMG_COLOR_BRUSHED (int)
Special color option which can be used instead of a color allocated with imagecolorallocate() or imagecolorallocatealpha().
IMG_COLOR_STYLEDBRUSHED (int)
Special color option which can be used instead of a color allocated with imagecolorallocate() or imagecolorallocatealpha().
IMG_COLOR_TRANSPARENT (int)
Special color option which can be used instead of a color allocated with imagecolorallocate() or imagecolorallocatealpha().
IMG_AFFINE_TRANSLATE (int)
An affine transformation type constant used by the imageaffinematrixget() function.
IMG_AFFINE_SCALE (int)
An affine transformation type constant used by the imageaffinematrixget() function.
IMG_AFFINE_ROTATE (int)
An affine transformation type constant used by the imageaffinematrixget() function.
IMG_AFFINE_SHEAR_HORIZONTAL (int)
An affine transformation type constant used by the imageaffinematrixget() function.
IMG_AFFINE_SHEAR_VERTICAL (int)
An affine transformation type constant used by the imageaffinematrixget() function.
IMG_ARC_ROUNDED (int)
A style constant used by the imagefilledarc() function.

Hinweis:

This constant has the same value as IMG_ARC_PIE

IMG_ARC_PIE (int)
A style constant used by the imagefilledarc() function.
IMG_ARC_CHORD (int)
A style constant used by the imagefilledarc() function.
IMG_ARC_NOFILL (int)
A style constant used by the imagefilledarc() function.
IMG_ARC_EDGED (int)
A style constant used by the imagefilledarc() function.
IMG_GD2_RAW (int)
A type constant used by the imagegd2() function.
IMG_GD2_COMPRESSED (int)
A type constant used by the imagegd2() function.
IMG_EFFECT_REPLACE (int)
Alpha blending effect used by the imagelayereffect() function.
IMG_EFFECT_ALPHABLEND (int)
Alpha blending effect used by the imagelayereffect() function.
IMG_EFFECT_NORMAL (int)
Alpha blending effect used by the imagelayereffect() function.
IMG_EFFECT_OVERLAY (int)
Alpha blending effect used by the imagelayereffect() function.
IMG_EFFECT_MULTIPLY (int)
Alpha blending effect used by the imagelayereffect() function.
IMG_FILTER_NEGATE (int)
Special GD filter used by the imagefilter() function.
IMG_FILTER_GRAYSCALE (int)
Special GD filter used by the imagefilter() function.
IMG_FILTER_BRIGHTNESS (int)
Special GD filter used by the imagefilter() function.
IMG_FILTER_CONTRAST (int)
Special GD filter used by the imagefilter() function.
IMG_FILTER_COLORIZE (int)
Special GD filter used by the imagefilter() function.
IMG_FILTER_EDGEDETECT (int)
Special GD filter used by the imagefilter() function.
IMG_FILTER_GAUSSIAN_BLUR (int)
Special GD filter used by the imagefilter() function.
IMG_FILTER_SELECTIVE_BLUR (int)
Special GD filter used by the imagefilter() function.
IMG_FILTER_EMBOSS (int)
Special GD filter used by the imagefilter() function.
IMG_FILTER_MEAN_REMOVAL (int)
Special GD filter used by the imagefilter() function.
IMG_FILTER_SMOOTH (int)
Special GD filter used by the imagefilter() function.
IMG_FILTER_PIXELATE (int)
Special GD filter used by the imagefilter() function.
IMG_FILTER_SCATTER (int)
Special GD filter used by the imagefilter() function. (Available as of PHP 7.4.0)
IMAGETYPE_GIF (int)
Image type constant used by the image_type_to_mime_type() and image_type_to_extension() functions.
IMAGETYPE_JPEG (int)
Image type constant used by the image_type_to_mime_type() and image_type_to_extension() functions.
IMAGETYPE_JPEG2000 (int)
Image type constant used by the image_type_to_mime_type() and image_type_to_extension() functions.
IMAGETYPE_PNG (int)
Image type constant used by the image_type_to_mime_type() and image_type_to_extension() functions.
IMAGETYPE_SWF (int)
Image type constant used by the image_type_to_mime_type() and image_type_to_extension() functions.
IMAGETYPE_PSD (int)
Image type constant used by the image_type_to_mime_type() and image_type_to_extension() functions.
IMAGETYPE_BMP (int)
Image type constant used by the image_type_to_mime_type() and image_type_to_extension() functions.
IMAGETYPE_WBMP (int)
Image type constant used by the image_type_to_mime_type() and image_type_to_extension() functions.
IMAGETYPE_XBM (int)
Image type constant used by the image_type_to_mime_type() and image_type_to_extension() functions.
IMAGETYPE_TIFF_II (int)
Image type constant used by the image_type_to_mime_type() and image_type_to_extension() functions.
IMAGETYPE_TIFF_MM (int)
Image type constant used by the image_type_to_mime_type() and image_type_to_extension() functions.
IMAGETYPE_IFF (int)
Image type constant used by the image_type_to_mime_type() and image_type_to_extension() functions.
IMAGETYPE_JB2 (int)
Image type constant used by the image_type_to_mime_type() and image_type_to_extension() functions.
IMAGETYPE_JPC (int)
Image type constant used by the image_type_to_mime_type() and image_type_to_extension() functions.
IMAGETYPE_JP2 (int)
Image type constant used by the image_type_to_mime_type() and image_type_to_extension() functions.
IMAGETYPE_JPX (int)
Image type constant used by the image_type_to_mime_type() and image_type_to_extension() functions.
IMAGETYPE_SWC (int)
Image type constant used by the image_type_to_mime_type() and image_type_to_extension() functions.
IMAGETYPE_ICO (int)
Image type constant used by the image_type_to_mime_type() and image_type_to_extension() functions.
IMAGETYPE_WEBP (int)
Image type constant used by the image_type_to_mime_type() and image_type_to_extension() functions. (Available as of PHP 7.1.0)
PNG_NO_FILTER (int)
A special PNG filter, used by the imagepng() function.
PNG_FILTER_NONE (int)
A special PNG filter, used by the imagepng() function.
PNG_FILTER_SUB (int)
A special PNG filter, used by the imagepng() function.
PNG_FILTER_UP (int)
A special PNG filter, used by the imagepng() function.
PNG_FILTER_AVG (int)
A special PNG filter, used by the imagepng() function.
PNG_FILTER_PAETH (int)
A special PNG filter, used by the imagepng() function.
PNG_ALL_FILTERS (int)
A special PNG filter, used by the imagepng() function.
IMG_FLIP_VERTICAL (int)
Used together with imageflip(), available as of PHP 5.5.0.
IMG_FLIP_HORIZONTAL (int)
Used together with imageflip(), available as of PHP 5.5.0.
IMG_FLIP_BOTH (int)
Used together with imageflip(), available as of PHP 5.5.0.
IMG_BELL (int)
Used together with imagesetinterpolation(), available as of PHP 5.5.0.
IMG_BESSEL (int)
Used together with imagesetinterpolation(), available as of PHP 5.5.0.
IMG_BILINEAR_FIXED (int)
Used together with imagesetinterpolation(), available as of PHP 5.5.0.
IMG_BICUBIC (int)
Used together with imagesetinterpolation(), available as of PHP 5.5.0.
IMG_BICUBIC_FIXED (int)
Used together with imagesetinterpolation(), available as of PHP 5.5.0.
IMG_BLACKMAN (int)
Used together with imagesetinterpolation(), available as of PHP 5.5.0.
IMG_BOX (int)
Used together with imagesetinterpolation(), available as of PHP 5.5.0.
IMG_BSPLINE (int)
Used together with imagesetinterpolation(), available as of PHP 5.5.0.
IMG_CATMULLROM (int)
Used together with imagesetinterpolation(), available as of PHP 5.5.0.
IMG_GAUSSIAN (int)
Used together with imagesetinterpolation(), available as of PHP 5.5.0.
IMG_GENERALIZED_CUBIC (int)
Used together with imagesetinterpolation(), available as of PHP 5.5.0.
IMG_HERMITE (int)
Used together with imagesetinterpolation(), available as of PHP 5.5.0.
IMG_HAMMING (int)
Used together with imagesetinterpolation(), available as of PHP 5.5.0.
IMG_HANNING (int)
Used together with imagesetinterpolation(), available as of PHP 5.5.0.
IMG_MITCHELL (int)
Used together with imagesetinterpolation(), available as of PHP 5.5.0.
IMG_POWER (int)
Used together with imagesetinterpolation(), available as of PHP 5.5.0.
IMG_QUADRATIC (int)
Used together with imagesetinterpolation(), available as of PHP 5.5.0.
IMG_SINC (int)
Used together with imagesetinterpolation(), available as of PHP 5.5.0.
IMG_NEAREST_NEIGHBOUR (int)
Used together with imagesetinterpolation(), available as of PHP 5.5.0.
IMG_WEIGHTED4 (int)
Used together with imagesetinterpolation(), available as of PHP 5.5.0.
IMG_TRIANGLE (int)
Used together with imagesetinterpolation(), available as of PHP 5.5.0.
add a note add a note

User Contributed Notes 1 note

up
9
webmaster at alexventure dot com
9 years ago
In case anyone is wondering what these filters are for, have a look at the W3C's specification:

http://www.w3.org/TR/PNG-Filters.html
To Top