Changeset 6748 for trunk/wp-includes/pluggable.php

Timestamp:

02/07/2008 06:07:12 AM (17 years ago)

Author:

ryan

Message:

get_avatar(). see #5775

File:

• trunk/wp-includes/pluggable.php (modified) (1 diff)

trunk/wp-includes/pluggable.php

@@ -1163 +1163 @@
 endif;
 
+if ( !function_exists( 'get_avatar' ) ) :
+/**
+ * get_avatar() - Get avatar for a user
+ *
+ * Retrieve the avatar for a user provided a user ID or email address
+ *
+ * @since 2.5
+ * @param int|string $id_or_email A user ID or email address
+ * @param int $size Size of the avatar image
+ * @param string $default URL to a default image to use if no avatar is available
+ * @return string <img> tag for the user's avatar
+*/
+function get_avatar( $id_or_email, $size = '96', $default = '' ) {
+    if ( ! get_option('show_avatars') )
+        return false;
+
+    if ( is_numeric($id_or_email) ) {
+        $id = (int) $id_or_email;
+        $user = get_userdata($id);
+        if ( !$user)
+            $email = '';
+        else
+            $email = $user->user_email;
+    } else {
+        $email = $id_or_email;
+    }
+
+    $default_sizes = array(16, 32, 48, 96, 128);
+    if ( empty($default) ) {
+        if ( in_array($size, $default_sizes) )
+            $default = trailingslashit(get_bloginfo('wpurl')) . "wp-includes/images/avatar/unknown-$size.jpg";
+        else
+            $default = trailingslashit(get_bloginfo('wpurl')) . "wp-includes/images/avatar/unknown-96.jpg";
+    }
+
+    if ( !empty($email) ) {
+        $default = urlencode( $default );
+
+        $out = 'http://www.gravatar.com/avatar.php?gravatar_id=';
+        $out .= md5( $email );
+        $out .= "&amp;size={$size}";
+        $out .= "&amp;default={$default}";
+
+        $rating = get_option('avatar_rating');
+        if ( !empty( $rating ) )
+            $out .= "&amp;rating={$rating}";
+
+        $avatar = "<img alt='' src='{$out}' class='avatar avatar-{$size}' height='{$size}' width='{$size}' />";
+    } else {
+        $avatar = "<img alt='' src='{$default}' />";
+    }
+
+    return apply_filters('get_avatar', $avatar, $id_or_email, $size, $default);
+}
+endif;
+
 if ( !function_exists('wp_setcookie') ) :
 /**