(PECL cairo >= 0.1.0)
Adds a circular arc
public void CairoContext::arc ( float $x, float $y, float $radius, float $angle1, float $angle2 )
Object oriented style (method):
Procedural style:
void cairo_arc ( CairoContext $context , float $x , float $y , float $radius , float $angle1 , float $angle2 )
Adds a circular arc of the given radius to the current path. The arc is centered at (x, y), begins at angle1 and proceeds