PHP 代码片段记录

最新推荐文章于 2025-09-07 00:18:35 发布

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最新推荐文章于 2025-09-07 00:18:35 发布

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CC 4.0 BY-SA版权

文章标签： php

原文链接：http://www.cnblogs.com/flowerszhong/p/6013909.html

检查URL是否为图片地址 getimagesize()

Function check_img($file) {

   $x = getimagesize($file);

   switch ($x['mime']) {
      case "image/gif":
         $response = 'this is a gif image.';
         break;
      case "image/jpeg":
         $response = 'this is a jpeg image.';
         break;
      case "image/png":
         $response = 'this is a png image.';
         break;
      default:
         $response = 'This is not a image file.';
         break;
   }

   return $response;    
}

echo check_img('http://www.example.com/image.jpg');

页面跳转

function Redirect($url, $permanent = false)
{
    if (headers_sent() === false)
    {
        header('Location: ' . $url, true, ($permanent === true) ? 301 : 302);
    }

    exit();
}

Redirect('http://www.google.com/', false);

转载于:https://www.cnblogs.com/flowerszhong/p/6013909.html