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<title>[12611] trunk/wp-includes: Introduce is_super_admin().</title>
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<div id="msg">
<dl>
<dt>Revision</dt> <dd><a href="http://trac.wordpress.org/changeset/12611">12611</a></dd>
<dt>Author</dt> <dd>ryan</dd>
<dt>Date</dt> <dd>2010-01-06 23:27:22 +0000 (Wed, 06 Jan 2010)</dd>
</dl>

<h3>Log Message</h3>
<pre>Introduce is_super_admin(). see <a href="http://trac.wordpress.org/ticket/11644">#11644</a>.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkwpincludescapabilitiesphp">trunk/wp-includes/capabilities.php</a></li>
<li><a href="#trunkwpincludesmsfunctionsphp">trunk/wp-includes/ms-functions.php</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkwpincludescapabilitiesphp"></a>
<div class="modfile"><h4>Modified: trunk/wp-includes/capabilities.php (12610 => 12611)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/wp-includes/capabilities.php        2010-01-06 22:22:45 UTC (rev 12610)
+++ trunk/wp-includes/capabilities.php        2010-01-06 23:27:22 UTC (rev 12611)
</span><span class="lines">@@ -1062,4 +1062,33 @@
</span><span class="cx">         return $wp_roles-&gt;remove_role( $role );
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+/**
+ * Determine if user is a site admin.
+ *
+ * @since 3.0
+ *
+ * @param int $user_id (Optional) The ID of a user. Defaults to the current user.
+ * @return bool True if the user is a site admin.
+ */
+function is_super_admin( $user_id = false ) {
+        global $current_user;
+
+        if ( !$current_user &amp;&amp; !$user_id )
+                return false;
+
+        if ( !$user_id )
+                $user_id = $current_user-&gt;id;
+
+        if ( !$user_id )
+                return false;
+
+        $user = new WP_User($user_id);
+
+        $site_admins = get_site_option( 'site_admins', array('admin') );
+        if ( is_array( $site_admins ) &amp;&amp; in_array( $user-&gt;user_login, $site_admins ) )
+                return true;
+
+        return false;
+}
+
</ins><span class="cx"> ?&gt;
</span></span></pre></div>
<a id="trunkwpincludesmsfunctionsphp"></a>
<div class="modfile"><h4>Modified: trunk/wp-includes/ms-functions.php (12610 => 12611)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/wp-includes/ms-functions.php        2010-01-06 22:22:45 UTC (rev 12610)
+++ trunk/wp-includes/ms-functions.php        2010-01-06 23:27:22 UTC (rev 12611)
</span><span class="lines">@@ -183,25 +183,28 @@
</span><span class="cx">         return $current_user-&gt;ID;
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-function is_site_admin( $user_login = false ) {
-        global $current_user;
</del><ins>+/**
+ * Determine if user is a site admin.
+ *
+ * @deprecated Use {@link is_keymaster()}
+ * 
+ */
+function is_site_admin( $user_login = '' ) {
+        // This function must reside in a file included only if is_multsite() since many plugins
+        // test for its existence to determine if multisite is enabled.
</ins><span class="cx"> 
</span><del>-        if ( !$current_user &amp;&amp; !$user_login )
-                return false;
-
-        if ( $user_login ) {
-                $user_login = sanitize_user( $user_login );
-        } elseif( isset( $current_user-&gt;user_login ) ) {
-                $user_login = $current_user-&gt;user_login;
</del><ins>+        if ( empty($user_login) ) {
+                $user_id = get_current_user_id();
+                if ( !$user_id )
+                        return false;
</ins><span class="cx">         } else {
</span><del>-                return false;
</del><ins>+                $user = new WP_User(null, $user_login);
+                if ( empty($user-&gt;id) )
+                        return false;
+                $user_id = $user-&gt;id;
</ins><span class="cx">         }
</span><span class="cx"> 
</span><del>-        $site_admins = get_site_option( 'site_admins', array('admin') );
-        if( is_array( $site_admins ) &amp;&amp; in_array( $user_login, $site_admins ) )
-                return true;
-
-        return false;
</del><ins>+        return is_super_admin($user_id);
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> /**
</span></span></pre>
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