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PHP判断是否连接上网络的方法

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Release: 2016-06-13 08:59:02
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PHP判断是否连接上网络的方法

   本文实例讲述了PHP判断是否连接上网络的方法。分享给大家供大家参考。具体实现方法如下:

  首先写个函数

  ?

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function varify_url($url){

$check = @fopen($url,"r");

if($check){

$status = true;

}else{

$status = false;

}

return $status;

}

  接着在需要的地方直接调用即可

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$url = "http://www.baidu.com";

if(varify_url($url)){

echo "

Congratulation ! Your URL $url : is valid
";

}else{

echo "

Error ! Your URL : $url is invalid
";

}

  希望本文所述对大家的php程序设计有所帮助。

source:php.cn
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