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PHP判断网络文件是否存在的方法_php技巧

WBOY
WBOYOriginal
2016-05-16 20:21:271126browse

本文实例讲述了PHP判断网络文件是否存在的方法。分享给大家供大家参考。具体实现方法如下：

$file = "http://www.jb51.net/demo/file_exists.zip";
$fileExists = @file_get_contents($file,null,null,-1,1) ? true : false;
if($fileExists){
   echo "File Exists!";
}else{
   echo "Sorry, we couldn't find the file.";
}

希望本文所述对大家的php程序设计有所帮助。

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