//創建畫布

$width =400;

$height=50;

$images =imagecreatetruecolor($width,$height);

//創建顏色

$white =imagecolorallocate($images,255,255,255);

imagefilledrectangle($images,0,0,$width ,$height,$white);

//創建一個畫筆顏色

$randColor =imagecolorallocate($images,mt_rand(0,255),mt_rand(0,255),mt_rand(0,255));

//開始繪制

$size =mt_rand(20,28);

$angle=mt_rand(-15,15);

$x=50;

$y=30;

$fontFile='fonts/cambriaz.ttf';

$text=mt_rand(1000,9999);

imagettftext($images,$size,$x,$y,$randColor,$fontFile,$text);

//告訴瀏覽器以圖形形式展示

header('content-type:image/png');

//輸入圖像

imagepng($images);

//銷毀 圖形

imagedestroy($images);