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If you are new to PHP or just need to refresh your skills, this is the place to start. This series of tutorials will give you the basic knowledge you will need to create a simple PHP website.
PHP is a reflective programming language originally designed for producing dynamic web pages.[1] PHP is used mainly in server-side scripting, but can be used from a command line interface or in standalone graphical applications. Textual User Interfaces can also be created using ncurses.
Draws a circle.
pdf_documentThe document handle, returned by cpdf_open().
x_coorThe x-coordinate of the center
y_coorThe y-coordinate of the center
radiusThe circle radius
modeThe optional parameter mode
determines the unit length. If it is 0 or omitted the default unit as specified
for the page is used. Otherwise the coordinates are measured in postscript
points disregarding the current unit.
Another Useful functions:
function.cpdf-translate | function.cpdf-text | function.cpdf-stroke | function.cpdf-stringwidth | function.cpdf-show | function.cpdf-show-xy | function.cpdf-setrgbcolor | function.cpdf-setrgbcolor-stroke | function.cpdf-setrgbcolor-fill | function.cpdf-setmiterlimit | function.cpdf-setlinewidth | function.cpdf-setlinejoin | function.cpdf-setlinecap | function.cpdf-setgray | function.cpdf-setgray-stroke | function.cpdf-setgray-fill | function.cpdf-setflat | function.cpdf-setdash | function.cpdf-set-word-spacing | function.cpdf-set-viewer-preferences | function.cpdf-set-title | function.cpdf-set-text-rise | function.cpdf-set-text-rendering | function.cpdf-set-text-pos | function.cpdf-set-text-matrix | function.cpdf-set-subject | function.cpdf-set-page-animation | function.cpdf-set-leading | function.cpdf-set-keywords | function.cpdf-set-horiz-scaling | function.cpdf-set-font | function.cpdf-set-font-map-file | function.cpdf-set-font-directories | function.cpdf-set-current-page | function.cpdf-set-creator | function.cpdf-set-char-spacing | function.cpdf-set-action-url | function.cpdf-scale | function.cpdf-save | function.cpdf-save-to-file | function.cpdf-rotate | function.cpdf-rotate-text | function.cpdf-rmoveto | function.cpdf-rlineto | function.cpdf-restore | function.cpdf-rect | function.cpdf-place-inline-image | function.cpdf-page-init | function.cpdf-output-buffer | function.cpdf-open | function.cpdf-newpath | function.cpdf-moveto | function.cpdf-lineto | function.cpdf-import-jpeg | function.cpdf-global-set-document-limits | function.cpdf-finalize | function.cpdf-finalize-page | function.cpdf-fill | function.cpdf-fill-stroke | function.cpdf-end-text | function.cpdf-curveto | function.cpdf-continue-text | function.cpdf-closepath | function.cpdf-closepath-stroke | function.cpdf-closepath-fill-stroke | function.cpdf-close | function.cpdf-clip | function.cpdf-circle | function.cpdf-begin-text | function.cpdf-arc | function.cpdf-add-outline | function.cpdf-add-annotation |
PHP is a widely-used general-purpose scripting language that is especially suited for Web development and can be embedded into HTML. If you are new to PHP and want to get some idea of how it works, try the introductory tutorial. After that, check out the online manual, and the example archive sites and some of the other resources available in the links section.