4 files changed, 18 insertions, 18 deletions

diff --git a/engine/lib/entities.php b/engine/lib/entities.php
index 0f718d162..c34aea550 100644
--- a/engine/lib/entities.php
+++ b/engine/lib/entities.php
@@ -334,7 +334,8 @@ abstract class ElggEntity implements
 		} else {
 			unset($this->temp_metadata[$name]);
 			if ((int) $this->guid > 0) {
-				return create_metadata($this->getGUID(), $name, $value, $value_type, $this->getOwner(), $this->getAccessID(), $multiple);
+				$result = create_metadata($this->getGUID(), $name, $value, $value_type, $this->getOwner(), $this->getAccessID(), $multiple);
+				return (bool)$result;
 			} else {
 				if (($multiple) && (isset($this->temp_metadata[$name]))) {
 					if (!is_array($this->temp_metadata[$name])) {
@@ -2511,7 +2512,7 @@ function disable_entity($guid, $reason = "", $recursive = true) {
 		if (trigger_elgg_event('disable',$entity->type,$entity)) {
 			if ($entity->canEdit()) {
 				if ($reason) {
-					create_metadata($guid, 'disable_reason', $reason,'', 0, ACCESS_PUBLIC);
+					create_metadata($guid, 'disable_reason', $reason, '', 0, ACCESS_PUBLIC);
 				}
 
 				if ($recursive) {
diff --git a/engine/lib/export.php b/engine/lib/export.php
index c541b583b..1b09016b0 100644
--- a/engine/lib/export.php
+++ b/engine/lib/export.php
@@ -135,12 +135,14 @@ function get_entity_from_uuid($uuid) {
  *
  * @param int $guid
  * @param string $uuid
+ * @return bool
  */
 function add_uuid_to_guid($guid, $uuid) {
 	$guid = (int)$guid;
 	$uuid = sanitise_string($uuid);
 
-	return create_metadata($guid, "import_uuid", $uuid);
+	$result = create_metadata($guid, "import_uuid", $uuid);
+	return (bool)$result;
 }
 
 
diff --git a/engine/lib/input.php b/engine/lib/input.php
index 2ddc0e643..7e650c8de 100644
--- a/engine/lib/input.php
+++ b/engine/lib/input.php
@@ -65,10 +65,7 @@ function set_input($variable, $value) {
 	}
 
 	if (is_array($value)) {
-		foreach ($value as $key => $val) {
-			$value[$key] = trim($val);
-		}
-
+		array_walk_recursive($value, create_function('&$v, $k', '$v = trim($v);'));
 		$CONFIG->input[trim($variable)] = $value;
 	} else {
 		$CONFIG->input[trim($variable)] = trim($value);
diff --git a/engine/lib/metadata.php b/engine/lib/metadata.php
index 6e849cdd9..3ad774ad2 100644
--- a/engine/lib/metadata.php
+++ b/engine/lib/metadata.php
@@ -190,12 +190,13 @@ function remove_metadata($entity_guid, $name, $value = "") {
  * @param int $owner_guid GUID of entity that owns the metadata
  * @param int $access_id Default is ACCESS_PRIVATE
  * @param bool $allow_multiple Allow multiple values for one key. Default is FALSE
- * @return bool
+ * @return int/bool id of metadata or FALSE if failure
  */
 function create_metadata($entity_guid, $name, $value, $value_type, $owner_guid, $access_id = ACCESS_PRIVATE, $allow_multiple = false) {
 	global $CONFIG;
 
 	$entity_guid = (int)$entity_guid;
+	// name and value are encoded in add_metastring()
 	//$name = sanitise_string(trim($name));
 	//$value = sanitise_string(trim($value));
 	$value_type = detect_extender_valuetype($value, sanitise_string(trim($value_type)));
@@ -203,6 +204,10 @@ function create_metadata($entity_guid, $name, $value, $value_type, $owner_guid,
 	$owner_guid = (int)$owner_guid;
 	$allow_multiple = (boolean)$allow_multiple;
 
+	if (!isset($value)) {
+		return FALSE;
+	}
+
 	if ($owner_guid==0) {
 		$owner_guid = get_loggedin_userid();
 	}
@@ -212,14 +217,14 @@ function create_metadata($entity_guid, $name, $value, $value_type, $owner_guid,
 	$id = false;
 
 	$existing = get_data_row("SELECT * from {$CONFIG->dbprefix}metadata WHERE entity_guid = $entity_guid and name_id=" . add_metastring($name) . " limit 1");
-	if (($existing) && (!$allow_multiple) && (isset($value))) {
-		$id = $existing->id;
+	if ($existing && !$allow_multiple) {
+		$id = (int)$existing->id;
 		$result = update_metadata($id, $name, $value, $value_type, $owner_guid, $access_id);
 
 		if (!$result) {
 			return false;
 		}
-	} else if (isset($value)) {
+	} else {
 		// Support boolean types
 		if (is_bool($value)) {
 			if ($value) {
@@ -243,19 +248,14 @@ function create_metadata($entity_guid, $name, $value, $value_type, $owner_guid,
 		// If ok then add it
 		$id = insert_data("INSERT into {$CONFIG->dbprefix}metadata (entity_guid, name_id, value_id, value_type, owner_guid, time_created, access_id) VALUES ($entity_guid, '$name','$value','$value_type', $owner_guid, $time, $access_id)");
 
-		if ($id!==false) {
+		if ($id !== false) {
 			$obj = get_metadata($id);
 			if (trigger_elgg_event('create', 'metadata', $obj)) {
-				return true;
+				return $id;
 			} else {
 				delete_metadata($id);
 			}
 		}
-
-	} else if ($existing) {
-		// TODO: Check... are you sure you meant to do this Ben? :)
-		$id = $existing->id;
-		delete_metadata($id);
 	}
 
 	return $id;