Ben iki yöntemle göstereyim,

en kolay yolu 1. yol

<?php 
$xml = simplexml_load_file("http://www.takasel.com/sitemap.xml"); 

$value = array(); 

foreach ($xml->url as $value){ 
    echo $value->loc. "<br>"; 

}  
?>
2. yol ise preg_match

<?php
                            function baglan($site){ 
                            $ch=curl_init("$site"); 
                            curl_setopt($ch,CURLOPT_URL,$site); 
                            curl_setopt($ch,CURLOPT_RETURNTRANSFER,1); 
                            curl_setopt($ch, CURLOPT_POST, 0); 
                            curl_setopt($ch,CURLOPT_REFERER,$site);
                            $al=curl_exec($ch); 
                            curl_close($ch); 
                            return $al;
                            }
            
                            $site = "http://www.takasel.com/sitemap.xml";
                            $giris = baglan($site);
                            preg_match_all('#<url>(.*?)</url>#si',$giris,$ben);
                            for($a=0; $a<5; $a++){
                            @$link = explode('<loc>', $ben[0][$a]);
                            @$link2= explode('</loc>', $link[1]);
                            @$linkler=$link2[0];
                            echo '<li><a href="'.$linkler.'">'.$linkler.'</a></li><br />';
                            
                            
                            
                            }
                            
                            ?>