Example of update image functions (#4388)

Author: sy-records

reference/image/functions/imagefilledpolygon.xml

@@ -124,7 +124,7 @@ $blue = imagecolorallocate($image, 0, 0, 255);
 imagefilledrectangle($image, 0, 0, 249, 249, $bg);
 
 // draw a polygon
-imagefilledpolygon($image, $values, 6, $blue);
+imagefilledpolygon($image, $values, $blue);
 
 // flush image
 header('Content-type: image/png');

reference/image/functions/imageopenpolygon.xml

@@ -140,7 +140,6 @@ imageopenpolygon($image, array(
         100, 200,
         300, 200
     ),
-    3,
     $col_poly);
 
 // Output the picture to the browser

reference/image/functions/imagepolygon.xml

@@ -136,7 +136,6 @@ imagepolygon($image, array(
         100, 200,
         300, 200
     ),
-    3,
     $col_poly);
 
 // Output the picture to the browser