#php creates graphics garbled?
Problematic code:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>php学习</title> </head> <body> <?php $im=imagecreate(200,200); //创建一个画布（单位像素pixel） $white=imagecolorallocate($im,225,66,159); //设置画布的背景颜色为粉色 （256RGB） imagegif($im); //输出gif图像 imagedestroy($im); ?> </body> </html>
Running result:
Modified code:
<?php $im=imagecreate(200,200); //创建一个画布（单位像素pixel） $white=imagecolorallocate($im,225,66,159); //设置画布的背景颜色为粉色 （256RGB） header('content-type:image/gif'); //设置gif Image imagegif($im); //输出gif图像 imagedestroy($im); ?>
Running results:
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