Added a is_user_not_logged_in shortcode

components/shortcodes/shortcodes.php

@@ -22,6 +22,7 @@ function members_component_shortcodes_register_shortcodes() {
 	add_shortcode( 'access', 'members_access_check_shortcode' );
 	add_shortcode( 'feed', 'members_access_check_shortcode' );
 	add_shortcode( 'is_user_logged_in', 'members_is_user_logged_in_shortcode' );
+	add_shortcode( 'is_user_not_logged_in', 'members_is_user_not_logged_in_shortcode' );
 	add_shortcode( 'get_avatar', 'members_get_avatar_shortcode' );
 	add_shortcode( 'avatar', 'members_get_avatar_shortcode' );
 }
@@ -88,6 +89,28 @@ function members_is_user_logged_in_shortcode( $attr, $content = null ) {
 	return do_shortcode( $content );
 }
 
+/**
+ * Displays content if the user viewing it is currently not logged in.
+ *
+ * Content needs to be wrapped with this shortcode like 
+ * [is_user_not_logged_in]This is content.[/is_user_not_logged_in].
+ *
+ * @since 0.1
+ * @uses is_user_logged_in() Checks if the current user is logged in.
+ * @param $attr array Attributes for the shortcode (not usefule here).
+ * @param $content string The content located between the opening and closing of the shortcode.
+ * @return $content string The content to be shown.
+ */
+function members_is_user_not_logged_in_shortcode( $attr, $content = null ) {
+
+	/* If it is a feed or the user is not logged in, return nothing. */
+	if (is_user_logged_in() )
+		return '';
+
+	/* Return the content. */
+	return do_shortcode( $content );
+}
+
 /**
  * Content that should only be shown in feed readers.  Can be useful for
  * displaying feed-specific items.
@@ -168,4 +191,4 @@ function members_login_form_shortcode() {
 	return wp_login_form( array( 'echo' => false ) );
 }
 
-?>
+?>

includes/shortcodes.php

@@ -28,6 +28,9 @@ function members_register_shortcodes() {
 	/* Add the [is_user_logged_in] shortcode. */
 	add_shortcode( 'is_user_logged_in', 'members_is_user_logged_in_shortcode' );
 
+	/* Add the [is_user_not_logged_in] shortcode. */
+	add_shortcode( 'is_user_not_logged_in', 'members_is_user_not_logged_in_shortcode' );
+
 	/* @deprecated 0.2.0. */
 	add_shortcode( 'get_avatar', 'members_get_avatar_shortcode' );
 	add_shortcode( 'avatar', 'members_get_avatar_shortcode' );
@@ -53,6 +56,23 @@ function members_is_user_logged_in_shortcode( $attr, $content = null ) {
 	return do_shortcode( $content );
 }
 
+/**
+ * Displays content if the user viewing it is currently not logged in.
+ *
+ * @param $attr array Attributes for the shortcode (not used).
+ * @param $content string The content located between the opening and closing of the shortcode.
+ * @return $content string The content to be shown.
+ */
+function members_is_user_not_logged_in_shortcode( $attr, $content = null ) {
+
+	/* If it is a feed or the user is not logged in, return nothing. */
+	if (is_user_logged_in() || is_null( $content ) )
+		return '';
+
+	/* Return the content. */
+	return do_shortcode( $content );
+}
+
 /**
  * Content that should only be shown in feed readers.  Can be useful for displaying feed-specific items.
  *
@@ -141,4 +161,4 @@ function members_login_form_shortcode() {
 	return wp_login_form( array( 'echo' => false ) );
 }
 
-?>
+?>