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php获取网页301真实地址

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PHP中文网Original
2016-05-25 17:09:451508browse

PHP代码

function getrealurl($url){
    $header = get_headers($url,1);
    if (strpos($header[0],'301') || strpos($header[0],'302')) {
        if(is_array($header['Location'])) {
            return $header['Location'][count($header['Location'])-1];
        }else{
            return $header['Location'];
        }
    }else {
        return $url;
    }
}

                   

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