Marcus Povey <marcus@dushka.co.uk>

* Added get_entity_subtypes function

git-svn-id: https://code.elgg.org/elgg/trunk@183 36083f99-b078-4883-b0ff-0f9b5a30f544

1 files changed, 34 insertions, 0 deletions

diff --git a/engine/lib/entities.php b/engine/lib/entities.php
new file mode 100644
index 000000000..2b97ffa10
--- /dev/null
+++ b/engine/lib/entities.php
@@ -0,0 +1,34 @@
+<?php
+	/**
+	 * Elgg entities.
+	 * Functions to manage all elgg entities (sites, collections, objects and users).
+	 * 
+	 * @package Elgg
+	 * @subpackage Core
+	 * @license http://www.gnu.org/licenses/old-licenses/gpl-2.0.html GNU Public License version 2
+	 * @author Marcus Povey <marcus@dushka.co.uk>
+	 * @copyright Curverider Ltd 2008
+	 * @link http://elgg.org/
+	 */
+
+	/**
+	 * Get the subtype of a given entity, based on its id and type pair.
+	 * 
+	 * @param int $entity_id The entity ID
+	 * @param string $entity_type The entity type string.
+	 * @return mixed Either an int id into the *_entity_subtypes
+	 */
+	function get_entity_subtype($entity_id, $entity_type)
+	{
+		global $CONFIG;
+		
+		$entity_id = (int)$entity_id;
+		$entity_type = sanitise_string($entity_type);
+		
+		$row = get_data_row("SELECT * from {$CONFIG->dbprefix}entity_subtypes where entity_id=$entity_id and entity_type='$entity_type' limit 1");
+		if ($row)
+			return $row->id;
+		
+		return false;
+	}
+?>
\ No newline at end of file