arkadaşlar kendi sitemde çalışan bir uygulama natrodaki sunucumuzda çalışırken

Fatal error: Call to undefined function curl_setopt_array() in C:\WebSites\test\sitem.com\uygulama.php on line 12 hatası veriyor

<?php
function baglan($url)
	{
		$curl=array(
					        CURLOPT_RETURNTRANSFER => true,     
					        CURLOPT_HEADER         => FALSE,        
					        CURLOPT_FOLLOWLOCATION => true,   
					        CURLOPT_CONNECTTIMEOUT => 120,         
					        CURLOPT_TIMEOUT        => 120,
					        CURLOPT_COOKIEFILE	   => 1);
		$ch = curl_init();
		curl_setopt_array($ch,$curl);
        curl_setopt($ch,CURLOPT_URL,$url);
        return $data = curl_exec($ch);
        curl_close($ch);
	}
	function yaz($a){
				echo '<pre>';
				print_r($a);
				echo '</pre>';
			}
?>