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    copied!<p>Here you go :)</p> <pre><code>&lt;?PHP function get_nonfollowers($followingXml, $followersXml) { $following = simplexml_load_string($followingXml); $followers = simplexml_load_string($followersXml); $notFollowingMe = array(); foreach($following-&gt;users-&gt;user as $f) { $isFollowingMe = false; foreach($followers-&gt;users-&gt;user as $follower) { if(strcmp($follower-&gt;id, $f-&gt;id) == 0) { $isFollowingMe = true; break; } } if(!$isFollowingMe) $notFollowingMe[] = $f; } return $notFollowingMe; } $followingXml = &lt;&lt;&lt;EOF &lt;?xml version="1.0" encoding="UTF-8"?&gt; &lt;users_list&gt; &lt;users type="array"&gt; &lt;user&gt; &lt;id&gt;66968592&lt;/id&gt; &lt;name&gt;DJ Swaggz &amp;#11013;click2fol&lt;/name&gt; &lt;screen_name&gt;DjSwaggz&lt;/screen_name&gt; &lt;/user&gt; &lt;user&gt; &lt;id&gt;288859268&lt;/id&gt; &lt;name&gt;tegan shanks&lt;/name&gt; &lt;screen_name&gt;teganxroshanks&lt;/screen_name&gt; &lt;/user&gt; &lt;/users&gt; &lt;/users_list&gt; EOF; $followersXml = &lt;&lt;&lt;EOF &lt;?xml version="1.0" encoding="UTF-8"?&gt; &lt;users_list&gt; &lt;users type="array"&gt; &lt;user&gt; &lt;id&gt;66968592&lt;/id&gt; &lt;name&gt;DJ Swaggz &amp;#11013;click2fol&lt;/name&gt; &lt;screen_name&gt;DjSwaggz&lt;/screen_name&gt; &lt;/user&gt; &lt;/users&gt; &lt;/users_list&gt; EOF; $notFollowingMe = get_nonfollowers($followingXml, $followersXml); print_r($notFollowingMe); ?&gt; </code></pre> <p><strong>Output</strong></p> <pre><code>Array ( [0] =&gt; SimpleXMLElement Object ( [id] =&gt; 288859268 [name] =&gt; tegan shanks [screen_name] =&gt; teganxroshanks ) ) </code></pre> <p><strong>Loop through the screen names</strong></p> <pre><code>foreach($notFollowingMe as $user) { echo $user-&gt;screen_name . "\r\n"; } </code></pre>
 

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