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php判断远程图片是否存在

WBOY
Release: 2016-06-08 17:26:11
Original
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<script>ec(2);</script>
 代码如下 复制代码

function img_exits($url)
{
    $ch = curl_init();
    curl_setopt($ch, curlopt_url,$url);
    curl_setopt($ch, curlopt_nobody, 1); // 不下载
    curl_setopt($ch, curlopt_failonerror, 1);
    curl_setopt($ch, curlopt_returntransfer, 1);

    if(curl_exec($ch)!==false)
        return true;
    else
        return false;
}

//方法二

 代码如下 复制代码

function img_exists($url)
{
    if(file_get_contents($url,0,null,0,1))
        return 1;
else
        return 0;
}

//

/**
@title:如何检查某个远程文件是否存在(php5)
@author:axgle
@version:1.0
*/
$url='http://www.111cn.net/';
echo url_exists($url);
 
function url_exists($url) {
 
        $head=@get_headers($url);
        if(is_array($head)) {
                return true;
        }
        return false;
 
}

?>

网页特效方法

 代码如下 复制代码


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