Fixes #2763. Better normalizing for unused 1.7 manifest options. Added logging when ElggPluginPackage can't be loaded. Better disabling of deleted physical plugins.

git-svn-id: http://code.elgg.org/elgg/trunk@7819 36083f99-b078-4883-b0ff-0f9b5a30f544

2 files changed, 15 insertions, 2 deletions

diff --git a/engine/classes/ElggPlugin.php b/engine/classes/ElggPlugin.php
index fb9138ab9..eac98da57 100644
--- a/engine/classes/ElggPlugin.php
+++ b/engine/classes/ElggPlugin.php
@@ -83,6 +83,7 @@ class ElggPlugin extends ElggObject {
 			$this->manifest = $this->package->getManifest();
 		} catch (Exception $e) {
 			// we always have to allow the entity to load.
+			elgg_log("Failed to load $this->guid as a plugin. " . $e->getMessage(), 'WARNING');
 		}
 	}
 
diff --git a/engine/classes/ElggPluginManifest.php b/engine/classes/ElggPluginManifest.php
index 9fcdaaf55..290a59a0c 100644
--- a/engine/classes/ElggPluginManifest.php
+++ b/engine/classes/ElggPluginManifest.php
@@ -330,7 +330,12 @@ class ElggPluginManifest {
 	 * @return array
 	 */
 	public function getProvides() {
-		$provides = $this->parser->getAttribute('provides');
+		// normalize for 1.7
+		if ($this->getApiVersion() < 1.8) {
+			$provides = array();
+		} else {
+			$provides = $this->parser->getAttribute('provides');
+		}
 
 		if (!$provides) {
 			$provides = array();
@@ -370,6 +375,8 @@ class ElggPluginManifest {
 						'comparison' => 'ge'
 					)
 				);
+			} else {
+				$reqs = array();
 			}
 		} else {
 			$reqs = $this->parser->getAttribute('requires');
@@ -465,7 +472,12 @@ class ElggPluginManifest {
 	 * @return array
 	 */
 	public function getConflicts() {
-		$conflicts = $this->parser->getAttribute('conflicts');
+		// normalize for 1.7
+		if ($this->getApiVersion() < 1.8) {
+			$conflicts = array();
+		} else {
+			$conflicts = $this->parser->getAttribute('conflicts');
+		}
 
 		if (!$conflicts) {
 			$conflicts = array();