in_array could not compare strings with mixed upper and lower case. N…

…ow all the array indices are converted to lowercase first before comparison is done.

src/site/components/com_hashtags/controllers/behaviors/hashtagable.php

@@ -63,10 +63,15 @@ public function updateHashtagsFromBody(KCommandContext $context)
 	{
 		$entity = $this->getItem();		
 		$terms = $this->extractHashtagTerms($entity->body);
-
-		foreach($entity->hashtags as $hashtag)
-			if(!in_array($hashtag->name, $terms))
-       			$entity->removeHashtag($hashtag->name);		
+
+		if(is_array($terms))
+		{
+		    $terms_search = array_map('strtolower', $terms);
+
+		    foreach($entity->hashtags as $hashtag)
+			    if(!in_array($hashtag->name, $terms_search))
+       			    $entity->removeHashtag($hashtag->name);	
+		}	
 
     	foreach($terms as $term)
         	$entity->addHashtag(trim($term));

src/site/components/com_people/controllers/behaviors/mentionable.php

@@ -71,24 +71,34 @@ public function addMentionsFromBody()
 	 */
 	public function updateMentionsFromBody(KCommandContext $context)
 	{
-		$entity = $this->getItem();		
-		$usernames = $this->extractMentions($entity->body);
-		$existing_mentions = $entity->mentions;
-
-		foreach($existing_mentions as $mention)
-			if(!in_array($mention->username, $usernames))
-       			$entity->removeMention($mention->username);	
-
-       	$existing_mentions = KConfig::unbox($existing_mentions->username);
-
-       	foreach($usernames as $index=>$username)
-       		if(in_array($username, $existing_mentions))	
-       			unset($usernames[$index]);				
+	    $entity = $this->getItem();	
+
+		$body_mentions = $this->extractMentions($entity->body);
+		$body_mentions = array_map('strtolower', $body_mentions);
+
+		$entity_mentions = KConfig::unbox($entity->mentions->username);
+
+		if(is_array($entity_mentions))
+		    $entity_mentions = array_map('strtolower', $entity_mentions);
+
+		//update removed mentions
+		if(is_array($body_mentions))
+		    foreach($entity_mentions as $mention)
+			    if(!in_array($mention, $body_mentions))
+       			    $entity->removeMention($mention);
 
-       	foreach($usernames as $username)
-        	$entity->addMention(trim($username));
+       	//remove the body mentions that already exists in the entity mentions
+       	if(is_array($entity_mentions))	
+       	    foreach($body_mentions as $index=>$mention)
+       		    if(in_array($mention, $entity_mentions))	
+       			    unset($body_mentions[$index]);      			
+
+       	//what's left are new mentions. Add them to the entity.		
+       	foreach($body_mentions as $mention)
+        	$entity->addMention(trim($mention));
 
-       	$this->_newly_mentioned = $usernames;
+        //keep the list of new mentions so you can notify them later.	
+       	$this->_newly_mentioned = $body_mentions;
 	}
 
 	/**