php 创建图片教程

<?php

$;

$;

$im = ImageCreateTrueColor($width, $height);

$white = ImageColorAllocate ($im, 255, 255, 255);

$blue = ImageColorAllocate ($im, 0, 0, 64);

ImageFill($im, 0, 0, $blue);

//ImageLine($im, 0, 0, $width, $height, $white);

ImageString($im, 10, 100, 120, 'Hello,PHP', $white);

Header ('Content-type: image/png');

ImagePng($im);

ImageDestroy($im);

?>