PHP Manual

• Introduction
• Requirements
• Installation
• Runtime Configuration
• Resource Types
• Predefined Constants
• PNG creation with PHP
• Adding watermarks to images using alpha channels
• Using imagecopymerge to create a translucent watermark
• gd_info
• getimagesize
• image_type_to_extension
• image_type_to_mime_type
• image2wbmp
• imagealphablending
• imageantialias
• imagearc
• imagechar
• imagecharup
• imagecolorallocate
• imagecolorallocatealpha
• imagecolorat
• imagecolorclosest
• imagecolorclosestalpha
• imagecolorclosesthwb
• imagecolordeallocate
• imagecolorexact
• imagecolorexactalpha
• imagecolormatch
• imagecolorresolve
• imagecolorresolvealpha
• imagecolorset
• imagecolorsforindex
• imagecolorstotal
• imagecolortransparent
• imageconvolution
• imagecopy
• imagecopymerge
• imagecopymergegray
• imagecopyresampled
• imagecopyresized
• imagecreate
• imagecreatefromgd2
• imagecreatefromgd2part
• imagecreatefromgd
• imagecreatefromgif
• imagecreatefromjpeg
• imagecreatefrompng
• imagecreatefromstring
• imagecreatefromwbmp
• imagecreatefromxbm
• imagecreatefromxpm
• imagecreatetruecolor
• imagedashedline
• imagedestroy
• imageellipse
• imagefill
• imagefilledarc
• imagefilledellipse
• imagefilledpolygon
• imagefilledrectangle
• imagefilltoborder
• imagefilter
• imagefontheight
• imagefontwidth
• imageftbbox
• imagefttext
• imagegammacorrect
• imagegd2
• imagegd
• imagegif
• imagegrabscreen
• imagegrabwindow
• imageinterlace
• imageistruecolor
• imagejpeg
• imagelayereffect
• imageline
• imageloadfont
• imagepalettecopy
• imagepng
• imagepolygon
• imagepsbbox
• imagepsencodefont
• imagepsextendfont
• imagepsfreefont
• imagepsloadfont
• imagepsslantfont
• imagepstext
• imagerectangle
• imagerotate
• imagesavealpha
• imagesetbrush
• imagesetpixel
• imagesetstyle
• imagesetthickness
• imagesettile
• imagestring
• imagestringup
• imagesx
• imagesy
• imagetruecolortopalette
• imagettfbbox
• imagettftext
• imagetypes
• imagewbmp
• imagexbm
• iptcembed
• iptcparse
• jpeg2wbmp
• png2wbmp