black.php

来自「《php程序设计》的配套源码 《php程序设计》的配套源码 《php程序」· PHP 代码 · 共 9 行

<?php
  $im = ImageCreate(200, 200);
  $white = ImageColorAllocate($im,0xFF,0xFF,0xFF);
  $black = ImageColorAllocate($im,0x00,0x00,0x00);
  ImageFilledRectangle($im, 50, 50, 150, 150, $black);
  header('Content-Type: image/png');
  ImagePNG($im);
?>