Draws an arc

bool cpdf_arc ( int $pdf_document , float $x_coor , float $y_coor , float $radius , float $start , float $end [, int $mode ] )

Draws an arc.

pdf_document: The document handle, returned by cpdf_open().
x: The x-coordinate of the center
y: The y-coordinate of the center
radius: The arc radius
start: The starting angle, in degrees
end: The ending angle, in degrees
mode: The 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.

Возвращает TRUE в случае успешного завершения или FALSE в случае возникновения ошибки.