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cd ext
cd curl
phpize
./configure --with-curl =DIR
make
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function getwebcontent($url){
       $ch = curl_init();
       $timeout = 10;
       curl_setopt($ch, CURLOPT_URL, $url);
       curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
       curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout);
       curl_setopt ($ch, CURLOPT_FOLLOWLOCATION, 1);
       $contents = trim(curl_exec($ch));
       curl_close($ch);
       return $contents;
}
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