PHP function to get a point from given origin point, angle and distance

getPoint.php

/**
 * Get a point <var>dist</var> units away from <var>$cx</var>,<var>$cy</var>
 * on angle <var>$ang</var>.
 * 
 * @param {number} $cx The x coordinate of the origin point.
 * @param {number} $cy The y coordinate of the origin point.
 * @param {number} $ang Angle from the origin point to the returned point, in degrees.
 * @param {number} $dist Unit distance from the origin point to the returned point.
 * @return {array} x and y coordinates of the return point.
 */
public function getPoint($cx, $cy, $ang, $dist)
{
	// Convert angle from degrees to radians
	$ang = deg2rad($ang);
	$x = $cx + ($dist * (cos($ang))); 
	$y = $cy + ($dist * (sin($ang)));
	return array($x, $y);
}