php生成的五星红旗

GD库国旗一面

$ing = imagecreatetruecolor(700,410);
$red = imagecolorallocate($ing,255,0,0); 
$yellw=imagecolorallocate($ing,255,255,45);

imagefill($ing,0,0,$red); 

$a = array(90,30,108,73,157,73,119,102,135,152,93,123,52,152,66,102,29,74,76,73,90,30);
imagefilledpolygon($ing,$a,10,$yellw);
$a1 = array(229,25,229,43,248,48,229,55,229,74,217,60,198,66,210,50,197,34,218,39,229,25);
imagefilledpolygon($ing,$a1,10,$yellw);
$a2 = array(227,108,227,127,245,134,228,139,227,157,215,143,196,149,208,132,196,117,215,122,227,108);
imagefilledpolygon($ing,$a2,10,$yellw);
$a3 = array(163,184,163,204,181,211,163,216,163,234,152,220,132,225,144,209,132,193,151,199,163,184);
imagefilledpolygon($ing,$a3,10,$yellw);
$a4 = array(65,209,65,228,84,235,65,240,65,259,54,245,33,249,46,233,34,217,53,224,68,209);
imagefilledpolygon($ing,$a4,10,$yellw);
header("Content-Type:image/jpeg");
imagejpeg($ing);
imagedestroy($ing);

来源：http://www.oschina.net/code/snippet_852724_14601