Merged r6263:6271 to trunk.

git-svn-id: http://code.elgg.org/elgg/trunk@6285 36083f99-b078-4883-b0ff-0f9b5a30f544

diff --git a/engine/lib/elgglib.php b/engine/lib/elgglib.php
index 9d0bae0b6d24ba910e31238d5f7fde6ff5bfe870..7a3e47e7dfec8c43072e6d0209d7ce5f63877026 100644 (file)
--- a/engine/lib/elgglib.php
+++ b/engine/lib/elgglib.php
@@ -1670,6 +1670,36 @@ function add_to_register($register_name, $subregister_name, $subregister_value,
        return true;
 }
 
+/**
+ * Removes what has been registered at [register_name][subregister_name]
+ *
+ * @param string $register_name The name of the top-level register
+ * @param string $subregister_name The name of the subregister
+ * @return true|false Depending on success
+ */
+function remove_from_register($register_name, $subregister_name) {
+       global $CONFIG;
+
+       if (empty($register_name) || empty($subregister_name)) {
+               return false;
+       }
+
+       if (!isset($CONFIG->registers)) {
+               return false;
+       }
+
+       if (!isset($CONFIG->registers[$register_name])) {
+               return false;
+       }
+
+       if (isset($CONFIG->registers[$register_name][$subregister_name])) {
+               unset($CONFIG->registers[$register_name][$subregister_name]);
+               return true;
+       }
+
+       return false;
+}
+
 /**
  * Returns a register object
  *
@@ -1738,6 +1768,16 @@ function add_menu($menu_name, $menu_url, $menu_children = array(), $context = ""
        return add_to_register('menu', $menu_name, $value, $menu_children);
 }
 
+/**
+ * Removes an item from the menu register
+ *
+ * @param string $menu_name The name of the menu item
+ * @return true|false Depending on success
+ */
+function remove_menu($menu_name) {
+       return remove_from_register('menu', $menu_name);
+}
+
 /**
  * Returns a menu item for use in the children section of add_menu()
  * This is not currently used in the Elgg core
@@ -1751,7 +1791,6 @@ function menu_item($menu_name, $menu_url) {
        return make_register_object($menu_name, $menu_url);
 }
 
-
 /**
  * Message register handling
  * If a null $message parameter is given, the function returns the array of messages so far and empties it
@@ -1762,7 +1801,6 @@ function menu_item($menu_name, $menu_url) {
  * @param bool $count Count the number of messages (default: false)
  * @return true|false|array Either the array of messages, or a response regarding whether the message addition was successful
  */
-
 function system_messages($message = null, $register = "messages", $count = false) {
        if (!isset($_SESSION['msg'])) {
                $_SESSION['msg'] = array();

diff --git a/engine/lib/output.php b/engine/lib/output.php
index b2eb532ca60c8a1c122a8aa561f1a976be44719e..6e861e4aca388a4c1ab9245192f6aa27686201dd 100644 (file)
--- a/engine/lib/output.php
+++ b/engine/lib/output.php
@@ -100,6 +100,10 @@ function autop($pee, $br = 1) {
 function elgg_make_excerpt($text, $num_chars = 250) {
        $text = trim(strip_tags($text));
        $string_length = elgg_strlen($text);
+       
+       if ($string_length <= $num_chars) {
+               return $text;
+       }
 
        // handle cases
        $excerpt = elgg_substr($text, 0, $num_chars);