Merge pull request #934 from dawnbreak/master

Bugfix und variable initialization.

3 files changed, 173 insertions, 155 deletions

diff --git a/include/attach.php b/include/attach.php
index 7d0b99c05..04fd25ace 100644
--- a/include/attach.php
+++ b/include/attach.php
@@ -275,7 +275,11 @@ function attach_by_hash($hash, $rev = 0) {
  * 
  * @see attach_by_hash()
  * @param $hash
- * @param $ref
+ * @param $rev revision default 0
+ * @return array Everything except data.
+ *  * \e boolean \b success boolean true or false
+ *  * \e string \b message (optional) only when success is false
+ *  * \e array \b data array of attach DB entry without data component
  */
 function attach_by_hash_nodata($hash, $rev = 0) {
 
@@ -318,6 +322,7 @@ function attach_by_hash_nodata($hash, $rev = 0) {
 
 	$ret['success'] = true;
 	$ret['data'] = $r[0];
+
 	return $ret;
 }
 
@@ -361,6 +366,7 @@ function attach_store($channel, $observer_hash, $options = '', $arr = null) {
 	$existing_size = 0;
 
 	if($options === 'replace') {
+		/** @BUG $replace is undefined here */
 		$x = q("select id, hash, filesize from attach where id = %d and uid = %d limit 1",	
 			intval($replace),
 			intval($channel_id)
@@ -373,7 +379,7 @@ function attach_store($channel, $observer_hash, $options = '', $arr = null) {
 		$existing_size = intval($x[0]['filesize']);
 		$hash = $x[0]['hash'];
 	}
-	
+
 	if($options === 'revise' || $options === 'update') {
 		$sql_options = " order by revision desc ";
 		if($options === 'update' &&  $arr && array_key_exists('revision',$arr))
@@ -513,22 +519,24 @@ function attach_store($channel, $observer_hash, $options = '', $arr = null) {
 }
 
 /**
- * Read a virtual directory and return contents, checking permissions of all parent components.
- * @function z_readdir
+ * @brief Read a virtual directory and return contents.
+ *
+ * Also checking permissions of all parent components.
+ *
  * @param integer $channel_id
  * @param string $observer_hash hash of current observer
  * @param string $pathname
  * @param string $parent_hash (optional)
  *
- * @returns array $ret
- * $ret['success'] = boolean true or false
- * $ret['message'] = error message if success is false
- * $ret['data'] = array of attach DB entries without data component
+ * @return array $ret
+ *  * \e boolean \b success boolean true or false
+ *  * \e string \b message error message if success is false
+ *  * \e array \b data array of attach DB entries without data component
  */
 function z_readdir($channel_id, $observer_hash, $pathname, $parent_hash = '') {
 	$ret = array('success' => false);
 
-	if(! perm_is_allowed($r[0]['uid'], get_observer_hash(), 'view_storage')) {
+	if(! perm_is_allowed($channel_id, get_observer_hash(), 'view_storage')) {
 		$ret['message'] = t('Permission denied.');
 		return $ret;
 	}
@@ -833,12 +841,14 @@ function attach_delete($channel_id, $resource) {
 
 /**
  * @brief Returns path to file in cloud/.
- * This function cannot be used with mod/dav as it always returns a path valid under mod/cloud
+ *
+ * @warning This function cannot be used with mod/dav as it always returns a
+ * path valid under mod/cloud.
  * 
- * @param array
- *  $arr[uid] int the channels uid
- *  $arr[folder] string
- *  $arr[filename]] string
+ * @param array assoziative array with:
+ *  * \e int \b uid the channel's uid
+ *  * \e string \b folder
+ *  * \e string \b filename
  * @return string
  *  path to the file in cloud/
  */
@@ -895,6 +905,7 @@ function get_cloudpath($arr) {
  * @return string with the full folder path
  */
 function get_parent_cloudpath($channel_id, $channel_name, $attachHash) {
+	$parentFullPath = '';
 	// build directory tree
 	$parentHash = $attachHash;
 	do {
@@ -933,9 +944,9 @@ function find_folder_hash_by_attach_hash($channel_id, $attachHash) {
 /**
  * @brief Returns the filename of an attachment in a given channel.
  *
- * @param mixed $channel_id
+ * @param int $channel_id
  *  The id of the channel
- * @param mixed $attachHash
+ * @param string $attachHash
  *  The hash of the attachment
  * @return string
  *  The filename of the attachment
@@ -949,6 +960,7 @@ function find_filename_by_hash($channel_id, $attachHash) {
 	if ($r) {
 		$filename = $r[0]['filename'];
 	}
+
 	return $filename;
 }
 
@@ -1172,8 +1184,10 @@ function get_file_activity_object($channel_id, $hash, $cloudpath) {
 
 }
 
-function recursive_activity_recipients($arr_allow_cid, $arr_llow_gid, $arr_deny_cid, $arr_deny_gid, $folder_hash) {
+function recursive_activity_recipients($arr_allow_cid, $arr_allow_gid, $arr_deny_cid, $arr_deny_gid, $folder_hash) {
 
+	$ret = array();
+	$parent_arr = array();
 	$poster = get_app()->get_observer();
 
 	//turn allow_gid into allow_cid's
@@ -1194,8 +1208,10 @@ function recursive_activity_recipients($arr_allow_cid, $arr_llow_gid, $arr_deny_
 			$parent_arr['allow_cid'][] = expand_acl($x[0]['allow_cid']);
 			$parent_arr['allow_gid'][] = expand_acl($x[0]['allow_gid']);
 
-			//TODO: should find a much better solution for the allow_cid <-> allow_gid problem.
-			//Do not use allow_gid for now. Instead lookup the members of the group directly and add them to allow_cid.
+			/**
+			 * @TODO should find a much better solution for the allow_cid <-> allow_gid problem.
+			 * Do not use allow_gid for now. Instead lookup the members of the group directly and add them to allow_cid.
+			 * */
 			if($parent_arr['allow_gid']) {
 				foreach($parent_arr['allow_gid'][$count] as $gid) {
 					$in_group = in_group($gid);
@@ -1207,11 +1223,9 @@ function recursive_activity_recipients($arr_allow_cid, $arr_llow_gid, $arr_deny_
 			$parent_arr['deny_gid'][] = expand_acl($x[0]['deny_gid']);
 
 			$count++;
-
 		}
 
 		$folder_hash = $x[0]['folder'];
-
 	}
 
 	//if none of the parent folders is private just return file perms
@@ -1279,11 +1293,12 @@ function recursive_activity_recipients($arr_allow_cid, $arr_llow_gid, $arr_deny_
 	}
 
 	return $ret;
-
 }
 
 function in_group($group_id) {
-	//TODO: make these two queries one with a join.
+	$group_members = array();
+
+	/** @TODO make these two queries one with a join. */
 	$x = q("SELECT id FROM groups WHERE hash = '%s'",
 		dbesc($group_id)
 	);
diff --git a/include/conversation.php b/include/conversation.php
index a85d582ce..8a834f339 100644
--- a/include/conversation.php
+++ b/include/conversation.php
@@ -205,22 +205,22 @@ function localize_item(&$item){
 		$item['body'] .= "\n\n\n" . $Bphoto;
 	}
 
-	if (stristr($item['verb'],ACTIVITY_POKE)) {
+	if (stristr($item['verb'], ACTIVITY_POKE)) {
 
-		// FIXME for obscured private posts, until then leave untranslated
+		/** @FIXME for obscured private posts, until then leave untranslated */
 		return;
 
 		$verb = urldecode(substr($item['verb'],strpos($item['verb'],'#')+1));
 		if(! $verb)
 			return;
+
 		if ($item['obj_type']=="" || $item['obj_type']!== ACTIVITY_OBJ_PERSON) return;
 
 		$Aname = $item['author']['xchan_name'];
 		$Alink = $item['author']['xchan_url'];
 
-
 		$obj= json_decode_plus($item['object']);
-		
+
 		$Blink = $Bphoto = '';
 
 		if($obj['link']) {
@@ -246,7 +246,6 @@ function localize_item(&$item){
 
 		$item['body'] = $item['localize'] = sprintf($txt, $A, $B);
 		$item['body'] .= "\n\n\n" . $Bphoto;
-
 	}
 	if (stristr($item['verb'],ACTIVITY_MOOD)) {
 		$verb = urldecode(substr($item['verb'],strpos($item['verb'],'#')+1));
@@ -375,54 +374,72 @@ function localize_item(&$item){
 		&& strlen($item['body']) && (! strpos($item['body'],'data'))) {
 		$item['body']  = json_encode(crypto_encapsulate($item['body'],get_config('system','pubkey')));
 	}
-	
 
 }
 
 /**
- * Count the total of comments on this item and its desendants
+ * @brief Count the total of comments on this item and its desendants.
+ *
+ * @param array $item an assoziative item-array which provides:
+ *  * \e array \b children
+ * @return number
  */
 function count_descendants($item) {
 
 	$total = count($item['children']);
 
-  	if($total > 0) {
-  		foreach($item['children'] as $child) {
- 			if(! visible_activity($child))
-  				$total --;
-  			$total += count_descendants($child);
-  		}
-  	}
+	if ($total > 0) {
+		foreach ($item['children'] as $child) {
+			if (! visible_activity($child))
+				$total --;
+
+			$total += count_descendants($child);
+		}
+	}
 
 	return $total;
 }
 
+/**
+ * @brief Check if the activity of the item is visible.
+ *
+ * likes (etc.) can apply to other things besides posts. Check if they are post
+ * children, in which case we handle them specially.
+ *
+ * @param array $item
+ * @return boolean
+ */
 function visible_activity($item) {
-
-	// likes (etc.) can apply to other things besides posts. Check if they are post children, 
-	// in which case we handle them specially
-
 	$hidden_activities = array(ACTIVITY_LIKE, ACTIVITY_DISLIKE, ACTIVITY_AGREE, ACTIVITY_DISAGREE, ACTIVITY_ABSTAIN, ACTIVITY_ATTEND, ACTIVITY_ATTENDNO, ACTIVITY_ATTENDMAYBE);
-	foreach($hidden_activities as $act) {
-		if((activity_match($item['verb'],$act)) && ($item['mid'] != $item['parent_mid'])) {
+
+	foreach ($hidden_activities as $act) {
+		if ((activity_match($item['verb'], $act)) && ($item['mid'] != $item['parent_mid'])) {
 			return false;
 		}
 	}
+
 	return true;
 }
 
 /**
- * "Render" a conversation or list of items for HTML display.
+ * @brief "Render" a conversation or list of items for HTML display.
+ *
  * There are two major forms of display:
- *      - Sequential or unthreaded ("New Item View" or search results)
- *      - conversation view
+ *  - Sequential or unthreaded ("New Item View" or search results)
+ *  - conversation view
+ *
  * The $mode parameter decides between the various renderings and also
  * figures out how to determine page owner and other contextual items
  * that are based on unique features of the calling module.
  *
+ * @param App &$a
+ * @param array $items
+ * @param string $mode
+ * @param boolean $update
+ * @param string $page_mode default traditional
+ * @param string $prepared_item
+ * @return string
  */
-
-
 function conversation(&$a, $items, $mode, $update, $page_mode = 'traditional', $prepared_item = '') {
 
 	$content_html = '';
@@ -432,39 +449,38 @@ function conversation(&$a, $items, $mode, $update, $page_mode = 'traditional', $
 
 	$ssl_state = ((local_channel()) ? true : false);
 
-	if(local_channel())
+	if (local_channel())
 		load_pconfig(local_channel(),'');
 
 	$arr_blocked = null;
 
-	if(local_channel()) 
+	if (local_channel())
 		$str_blocked = get_pconfig(local_channel(),'system','blocked');
-	if(! local_channel() && ($mode == 'network')) {
+	if (! local_channel() && ($mode == 'network')) {
 		$sys = get_sys_channel();
 		$id = $sys['channel_id'];
  		$str_blocked = get_pconfig($id,'system','blocked');
 	}
-	
-	if($str_blocked) {
-			$arr_blocked = explode(',',$str_blocked);
-			for($x = 0; $x < count($arr_blocked); $x ++)
+
+	if ($str_blocked) {
+		$arr_blocked = explode(',',$str_blocked);
+		for ($x = 0; $x < count($arr_blocked); $x ++)
 			$arr_blocked[$x] = trim($arr_blocked[$x]);
 	}
 
-
-	$profile_owner = 0;
-	$page_writeable      = false;
+	$profile_owner   = 0;
+	$page_writeable  = false;
 	$live_update_div = '';
 
 	$preview = (($page_mode === 'preview') ? true : false);
 	$previewing = (($preview) ? ' preview ' : '');
 
-	if($mode === 'network') {
+	if ($mode === 'network') {
 
 		$profile_owner = local_channel();
 		$page_writeable = true;
 
-		if(!$update) {
+		if (!$update) {
 			// The special div is needed for liveUpdate to kick in for this page.
 			// We only launch liveUpdate if you aren't filtering in some incompatible
 			// way and also you aren't writing a comment (discovered in javascript).
@@ -490,13 +506,13 @@ function conversation(&$a, $items, $mode, $update, $page_mode = 'traditional', $
 		}
 	}
 
-	elseif($mode === 'channel') {
+	elseif ($mode === 'channel') {
 		$profile_owner = $a->profile['profile_uid'];
 		$page_writeable = ($profile_owner == local_channel());
 
-		if(!$update) {
+		if (!$update) {
 			$tab = notags(trim($_GET['tab']));
-			if($tab === 'posts') {
+			if ($tab === 'posts') {
 				// This is ugly, but we can't pass the profile_uid through the session to the ajax updater,
 				// because browser prefetching might change it on us. We have to deliver it with the page.
 
@@ -507,23 +523,23 @@ function conversation(&$a, $items, $mode, $update, $page_mode = 'traditional', $
 		}
 	}
 
-	elseif($mode === 'display') {
+	elseif ($mode === 'display') {
 		$profile_owner = local_channel();
 		$page_writeable = false;
 		$live_update_div = '<div id="live-display"></div>' . "\r\n";
 	}
 
-	elseif($mode === 'page') {
+	elseif ($mode === 'page') {
 		$profile_owner = $a->profile['uid'];
 		$page_writeable = ($profile_owner == local_channel());
 		$live_update_div = '<div id="live-page"></div>' . "\r\n";
 	}
 
-	elseif($mode === 'search') {
+	elseif ($mode === 'search') {
 		$live_update_div = '<div id="live-search"></div>' . "\r\n";
 	}
 
-	elseif($mode === 'photos') {
+	elseif ($mode === 'photos') {
 		$profile_onwer = $a->profile['profile_uid'];
 		$page_writeable = ($profile_owner == local_channel());
 		$live_update_div = '<div id="live-photos"></div>' . "\r\n";
@@ -533,12 +549,12 @@ function conversation(&$a, $items, $mode, $update, $page_mode = 'traditional', $
 
 	$page_dropping = ((local_channel() && local_channel() == $profile_owner) ? true : false);
 
-	if(! feature_enabled($profile_owner,'multi_delete'))
+	if (! feature_enabled($profile_owner,'multi_delete'))
 		$page_dropping = false;
 
 
 	$channel = $a->get_channel();
-	$observer = $a->get_observer();		
+	$observer = $a->get_observer();
 
 	if($update)
 		$return_url = $_SESSION['return_url'];
@@ -637,7 +653,6 @@ function conversation(&$a, $items, $mode, $update, $page_mode = 'traditional', $
 				else
 					$dropping = false;
 
-
 				$drop = array(
 					'pagedropping' => $page_dropping,
 					'dropping' => $dropping,
@@ -647,7 +662,7 @@ function conversation(&$a, $items, $mode, $update, $page_mode = 'traditional', $
 
 				$star = false;
 				$isstarred = "unstarred icon-star-empty";
-				
+
 				$lock = (($item['item_private'] || strlen($item['allow_cid']) || strlen($item['allow_gid']) || strlen($item['deny_cid']) || strlen($item['deny_gid']))
 					? t('Private Message')
 					: false
@@ -659,17 +674,14 @@ function conversation(&$a, $items, $mode, $update, $page_mode = 'traditional', $
 				$verified = (($item['item_flags'] & ITEM_VERIFIED) ? t('Message signature validated') : '');
 				$forged = ((($item['sig']) && (! ($item['item_flags'] & ITEM_VERIFIED))) ? t('Message signature incorrect') : '');
 
-
 				$unverified = '';
 
-
 				$tags=array();
 				$terms = get_terms_oftype($item['term'],array(TERM_HASHTAG,TERM_MENTION,TERM_UNKNOWN));
 				if(count($terms))
 					foreach($terms as $tag)
 						$tags[] = format_term_for_display($tag);
 
-
 				$body = prepare_body($item,true);
 
 				$tmp_item = array(
@@ -731,12 +743,9 @@ function conversation(&$a, $items, $mode, $update, $page_mode = 'traditional', $
 
 //				$threads[$threadsid]['id'] = $item['item_id'];
 				$threads[] = $arr['output'];
-
 			}
-
 		}
-		else
-		{
+		else {
 
 			// Normal View
 //			logger('conv: items: ' . print_r($items,true));
@@ -751,7 +760,6 @@ function conversation(&$a, $items, $mode, $update, $page_mode = 'traditional', $
 			if($mode === 'display' && $items)
 				$conv->set_profile_owner($items[0]['uid']);
 
-
 			// get all the topmost parents
 			// this shouldn't be needed, as we should have only them in our array
 			// But for now, this array respects the old style, just in case
@@ -831,20 +839,19 @@ function conversation(&$a, $items, $mode, $update, $page_mode = 'traditional', $
 //	logger('nouveau: ' . print_r($threads,true));
 
 
-    $o .= replace_macros($page_template, array(
-        '$baseurl' => $a->get_baseurl($ssl_state),
+	$o .= replace_macros($page_template, array(
+		'$baseurl' => $a->get_baseurl($ssl_state),
 		'$photo_item' => $content_html,
-        '$live_update' => $live_update_div,
-        '$remove' => t('remove'),
-        '$mode' => $mode,
-        '$user' => $a->user,
-        '$threads' => $threads,
+		'$live_update' => $live_update_div,
+		'$remove' => t('remove'),
+		'$mode' => $mode,
+		'$user' => $a->user,
+		'$threads' => $threads,
 		'$wait' => t('Loading...'),
-        '$dropping' => ($page_dropping?t('Delete Selected Items'):False),
-    ));
+		'$dropping' => ($page_dropping?t('Delete Selected Items'):False),
+	));
 
 	return $o;
-
 }
 
 
@@ -892,7 +899,6 @@ function item_photo_menu($item){
 	$vsrc_link = "";
 	$follow_url = "";
 
-
 	$local_channel = local_channel();
 
 	if($local_channel) {
@@ -910,7 +916,7 @@ function item_photo_menu($item){
 		}
 	}
 
-    $profile_link = chanlink_hash($item['author_xchan']);
+	$profile_link = chanlink_hash($item['author_xchan']);
 	if($item['uid'] > 0)
 		$pm_url = $a->get_baseurl($ssl_state) . '/mail/new/?f=&hash=' . $item['author_xchan'];
 
@@ -927,7 +933,6 @@ function item_photo_menu($item){
 		$posts_link = $a->get_baseurl($ssl_state) . '/network/?cid=' . $contact['abook_id'];
 
 		$clean_url = normalise_link($item['author-link']);
-
 	}
 
 	$menu = Array(
@@ -943,7 +948,6 @@ function item_photo_menu($item){
 		t("Poke") => $poke_link
 	);
 
-
 	$args = array('item' => $item, 'menu' => $menu);
 
 	call_hooks('item_photo_menu', $args);
@@ -958,17 +962,17 @@ function item_photo_menu($item){
 		}
 		elseif ($v!="") $o .= "<li><a href=\"$v\">$k</a></li>\n";
 	}
+
 	return $o;
 }
 
 /**
  * @brief Checks item to see if it is one of the builtin activities (like/dislike, event attendance, consensus items, etc.)
+ *
  * Increments the count of each matching activity and adds a link to the author as needed.
  *
- * @param array $a (not used)
  * @param array $item
  * @param array &$conv_responses (already created with builtin activity structure)
- * @return void
  */
 function builtin_activity_puller($item, &$conv_responses) {
 
@@ -1011,11 +1015,7 @@ function builtin_activity_puller($item, &$conv_responses) {
 				break;
 		}
 
-
-
 		if((activity_match($item['verb'], $verb)) && ($item['id'] != $item['parent'])) {
-
-
 			$name = (($item['author']['xchan_name']) ? $item['author']['xchan_name'] : t('Unknown'));
 			$url = (($item['author']['xchan_url']) 
 				? '<a href="' . chanlink_url($item['author']['xchan_url']) . '">' . $name . '</a>' 
@@ -1041,31 +1041,33 @@ function builtin_activity_puller($item, &$conv_responses) {
 			$conv_responses[$mode][$item['thr_parent'] . '-l'][] = $url;
 
 			// there can only be one activity verb per item so if we found anything, we can stop looking
-			$return;
+			return;
 		}
 	}
 
 }
 
-// Format the like/dislike text for a profile item
-// $cnt = number of people who like/dislike the item
-// $arr = array of pre-linked names of likers/dislikers
-// $type = one of 'like, 'dislike'
-// $id  = item id
-// returns formatted text
-
 
-function format_like($cnt,$arr,$type,$id) {
+/**
+ * @brief Format the like/dislike text for a profile item.
+ *
+ * @param int $cnt number of people who like/dislike the item
+ * @param array $arr array of pre-linked names of likers/dislikers
+ * @param string $typ eone of 'like, 'dislike'
+ * @param int $id item id
+ * @return string formatted text
+ */
+function format_like($cnt, $arr, $type, $id) {
 	$o = '';
-	if($cnt == 1)
+	if ($cnt == 1) {
 		$o .= (($type === 'like') ? sprintf( t('%s likes this.'), $arr[0]) : sprintf( t('%s doesn\'t like this.'), $arr[0])) . EOL ;
-	else {
+	} else {
 		$spanatts = 'class="fakelink" onclick="openClose(\'' . $type . 'list-' . $id . '\');"';
 		$o .= (($type === 'like') ?
 					sprintf( tt('<span  %1$s>%2$d people</span> like this.','<span  %1$s>%2$d people</span> like this.',$cnt), $spanatts, $cnt)
 					 :
 					sprintf( tt('<span  %1$s>%2$d people</span> don\'t like this.','<span  %1$s>%2$d people</span> don\'t like this.',$cnt), $spanatts, $cnt) );
-		$o .= EOL ;
+		$o .= EOL;
 		$total = count($arr);
 		if($total >= MAX_LIKERS)
 			$arr = array_slice($arr, 0, MAX_LIKERS - 1);
@@ -1077,6 +1079,7 @@ function format_like($cnt,$arr,$type,$id) {
 		$str = (($type === 'like') ? sprintf( t('%s like this.'), $str) : sprintf( t('%s don\'t like this.'), $str));
 		$o .= "\t" . '<div id="' . $type . 'list-' . $id . '" style="display: none;" >' . $str . '</div>';
 	}
+
 	return $o;
 }
 
@@ -1098,7 +1101,7 @@ function status_editor($a, $x, $popup = false) {
 	if(array_key_exists('mimetype', $x) && $x['mimetype']) {
 		if($x['mimetype'] != 'text/bbcode')
 			$plaintext = true;
- 		if($x['mimetype'] === 'choose') {
+		if($x['mimetype'] === 'choose') {
 			$mimeselect = mimetype_select($x['profile_uid']);
 		}
 		else
@@ -1376,7 +1379,6 @@ function render_location_default($item) {
 }
 
 
-
 function prepare_page($item) {
 	$a = get_app();
 	$naked = ((get_pconfig($item['uid'],'system','nakedpage')) ? 1 : 0);
@@ -1446,7 +1448,6 @@ function network_tabs() {
 		$public_active = 'active';
 	}
 
-
 	if (($new_active == '') 
 		&& ($starred_active == '') 
 		&& ($conv_active == '')
@@ -1538,15 +1539,20 @@ function network_tabs() {
 	return replace_macros($tpl, array('$tabs' => $arr['tabs']));
 }
 
-
-
-function profile_tabs($a, $is_owner=False, $nickname=Null){
+/**
+ * @brief
+ *
+ * @param App $a
+ * @param boolean $is_owner default false
+ * @param string $nickname default null
+ * @return void|string
+ */
+function profile_tabs($a, $is_owner = false, $nickname = null){
 
 	// Don't provide any profile tabs if we're running as the sys channel
-	
-	if($a->is_sys)
+	if ($a->is_sys)
 		return;
-	
+
 	$channel = $a->get_channel();
 
 	if (is_null($nickname))
@@ -1554,10 +1560,10 @@ function profile_tabs($a, $is_owner=False, $nickname=Null){
 
 	$uid = (($a->profile['profile_uid']) ? $a->profile['profile_uid'] : local_channel());
 
-	if (get_pconfig($uid,'system','noprofiletabs'))
+	if (get_pconfig($uid, 'system', 'noprofiletabs'))
 		return;
 
-	if(x($_GET,'tab'))
+	if (x($_GET, 'tab'))
 		$tab = notags(trim($_GET['tab']));
 
 	$url = $a->get_baseurl() . '/channel/' . $nickname;
@@ -1575,42 +1581,42 @@ function profile_tabs($a, $is_owner=False, $nickname=Null){
 
 	$p = get_all_perms($uid,get_observer_hash());
 
-	if($p['view_profile']) {
+	if ($p['view_profile']) {
 		$tabs[] = array(
 			'label' => t('About'),
-			'url' 	=> $pr,
-			'sel'	=> ((argv(0) == 'profile') ? 'active' : ''),
+			'url'   => $pr,
+			'sel'   => ((argv(0) == 'profile') ? 'active' : ''),
 			'title' => t('Profile Details'),
 			'id'    => 'profile-tab',
 		);
 	}
-	if($p['view_photos']) {
+	if ($p['view_photos']) {
 		$tabs[] = array(
 			'label' => t('Photos'),
-			'url'	=> $a->get_baseurl() . '/photos/' . $nickname,
-			'sel'	=> ((argv(0) == 'photos') ? 'active' : ''),
+			'url'   => $a->get_baseurl() . '/photos/' . $nickname,
+			'sel'   => ((argv(0) == 'photos') ? 'active' : ''),
 			'title' => t('Photo Albums'),
 			'id'    => 'photo-tab',
 		);
 	}
-	if($p['view_storage']) {
+	if ($p['view_storage']) {
 		$tabs[] = array(
 			'label' => t('Files'),
-			'url'	=> $a->get_baseurl() . '/cloud/' . $nickname . ((get_observer_hash()) ? '' : '?f=&davguest=1'),
-			'sel'	=> ((argv(0) == 'cloud' || argv(0) == 'sharedwithme') ? 'active' : ''),
+			'url'   => $a->get_baseurl() . '/cloud/' . $nickname . ((get_observer_hash()) ? '' : '?f=&davguest=1'),
+			'sel'   => ((argv(0) == 'cloud' || argv(0) == 'sharedwithme') ? 'active' : ''),
 			'title' => t('Files and Storage'),
 			'id'    => 'files-tab',
 		);
 	}
 
-	if($p['chat']) {
+	if ($p['chat']) {
 		require_once('include/chat.php');
 		$has_chats = chatroom_list_count($uid);
 		if ($has_chats) {
 			$tabs[] = array(
 				'label' => t('Chatrooms'),
-				'url'	=> $a->get_baseurl() . '/chat/' . $nickname,
-				'sel' 	=> ((argv(0) == 'chat') ? 'active' : '' ),
+				'url'   => $a->get_baseurl() . '/chat/' . $nickname,
+				'sel'   => ((argv(0) == 'chat') ? 'active' : '' ),
 				'title' => t('Chatrooms'),
 				'id'    => 'chat-tab',
 			);
@@ -1619,30 +1625,29 @@ function profile_tabs($a, $is_owner=False, $nickname=Null){
 
 	require_once('include/menu.php');
 	$has_bookmarks = menu_list_count(local_channel(),'',MENU_BOOKMARK) + menu_list_count(local_channel(),'',MENU_SYSTEM|MENU_BOOKMARK);
-	if($is_owner && $has_bookmarks) {
+	if ($is_owner && $has_bookmarks) {
 		$tabs[] = array(
 			'label' => t('Bookmarks'),
-			'url'	=> $a->get_baseurl() . '/bookmarks',
-			'sel' 	=> ((argv(0) == 'bookmarks') ? 'active' : ''),
+			'url'   => $a->get_baseurl() . '/bookmarks',
+			'sel'   => ((argv(0) == 'bookmarks') ? 'active' : ''),
 			'title' => t('Saved Bookmarks'),
 			'id'    => 'bookmarks-tab',
 		);
 	}
 
-
-	if($is_owner && feature_enabled($uid,'webpages')) {
+	if ($is_owner && feature_enabled($uid,'webpages')) {
 		$tabs[] = array(
 			'label' => t('Webpages'),
-			'url'	=> $a->get_baseurl() . '/webpages/' . $nickname,
-			'sel' 	=> ((argv(0) == 'webpages') ? 'active' : ''),
+			'url'   => $a->get_baseurl() . '/webpages/' . $nickname,
+			'sel'   => ((argv(0) == 'webpages') ? 'active' : ''),
 			'title' => t('Manage Webpages'),
 			'id'    => 'webpages-tab',
 		);
-	}
-	else {
-		// FIXME
-		// we probably need a listing of events that were created by 
-		// this channel and are visible to the observer
+	} else {
+		/**
+		 * @FIXME we probably need a listing of events that were created by 
+		 * this channel and are visible to the observer
+		 */
 	}
 
 	$arr = array('is_owner' => $is_owner, 'nickname' => $nickname, 'tab' => (($tab) ? $tab : false), 'tabs' => $tabs);
@@ -1665,8 +1670,7 @@ function get_responses($conv_responses,$response_verbs,$ob,$item) {
 			$ret[$v]['list_part'] = array_slice($ret[$v]['list'], 0, MAX_LIKERS);
 			array_push($ret[$v]['list_part'], '<a href="#" data-toggle="modal" data-target="#' . $v . 'Modal-' 
 				. (($ob) ? $ob->get_id() : $item['id']) . '"><b>' . t('View all') . '</b></a>');
-		} 
-		else {
+		} else {
 			$ret[$v]['list_part'] = '';
 		}
 		$ret[$v]['button'] = get_response_button_text($v,$ret[$v]['count']);
@@ -1674,9 +1678,9 @@ function get_responses($conv_responses,$response_verbs,$ob,$item) {
 	}
 
 	$count = 0;
-	foreach($ret as $key) {
-	    if ($key['count'] == true)
-		$count++;
+	foreach ($ret as $key) {
+		if ($key['count'] == true)
+			$count++;
 	}
 
 	$ret['count'] = $count;
diff --git a/include/network.php b/include/network.php
index 5912ad79d..6aefc0b30 100644
--- a/include/network.php
+++ b/include/network.php
@@ -32,8 +32,6 @@ function z_fetch_url($url, $binary = false, $redirects = 0, $opts = array()) {
 
 	$ret = array('return_code' => 0, 'success' => false, 'header' => "", 'body' => "");
 
-	$a = get_app();
-
 	$ch = @curl_init($url);
 	if(($redirects > 8) || (! $ch)) 
 		return false;
@@ -71,7 +69,6 @@ function z_fetch_url($url, $binary = false, $redirects = 0, $opts = array()) {
 	@curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 
 		((x($opts,'novalidate') && intval($opts['novalidate'])) ? false : true));
 
-
 	$prx = get_config('system','proxy');
 	if(strlen($prx)) {
 		@curl_setopt($ch, CURLOPT_HTTPPROXYTUNNEL, 1);
@@ -518,6 +515,7 @@ function allowed_email($email) {
 
 function avatar_img($email) {
 
+	$avatar = array();
 	$a = get_app();
 
 	$avatar['size'] = 175;
@@ -527,10 +525,11 @@ function avatar_img($email) {
 
 	call_hooks('avatar_lookup', $avatar);
 
-	if(! $avatar['success'])
+	if (! $avatar['success'])
 		$avatar['url'] = $a->get_baseurl() . '/' . get_default_profile_photo();
 
 	logger('Avatar: ' . $avatar['email'] . ' ' . $avatar['url'], LOGGER_DEBUG);
+
 	return $avatar['url'];
 }