Merge pull request #916 from dawnbreak/docu

Some cleanups and documentation.

7 files changed, 174 insertions, 175 deletions

diff --git a/include/bookmarks.php b/include/bookmarks.php
index e70158476..c6e8e86f2 100644
--- a/include/bookmarks.php
+++ b/include/bookmarks.php
@@ -9,7 +9,7 @@ function bookmark_add($channel,$sender,$taxonomy,$private,$opts = null) {
 	$ischat = false;
 
 	if(is_array($opts)) {
-		$menu_id = ((x($opts,'menu_id')) ? intval($opt['menu_id']) : 0);
+		$menu_id = ((x($opts,'menu_id')) ? intval($opts['menu_id']) : 0);
 		$menu_name = ((x($opts,'menu_name')) ? escape_tags($opts['menu_name']) : '');
 		$ischat = ((x($opts,'ischat')) ? intval($opts['ischat']) : 0);
 	}
diff --git a/include/comanche.php b/include/comanche.php
index b181d415a..9db375c38 100644
--- a/include/comanche.php
+++ b/include/comanche.php
@@ -15,23 +15,22 @@ require_once('include/widgets.php');
 // page layout from the given description
 
 
-function pdl_selector($uid,$current="") {
-
+function pdl_selector($uid, $current="") {
 	$o = '';
 
-	$sql_extra = item_permissions_sql($uid);
+	//$sql_extra = item_permissions_sql($uid);
 
 	$r = q("select item_id.*, mid from item_id left join item on iid = item.id where item_id.uid = %d and item_id.uid = item.uid and service = 'PDL' order by sid asc",
-		intval($owner)
+		intval($uid)
 	);
 
 	$arr = array('channel_id' => $uid, 'current' => $current, 'entries' => $r);
 	call_hooks('pdl_selector',$arr);
 
 	$entries = $arr['entries'];
-	$current = $arr['current'];		
- 
-	$o .= "<select name=\"pdl_select\" id=\"pdl_select\" size=\"1\" >";
+	$current = $arr['current'];
+
+	$o .= '<select name="pdl_select" id="pdl_select" size="1">';
 	$entries[] = array('title' => t('Default'), 'mid' => '');
 	foreach($entries as $selection) {
 		$selected = (($selection == $current) ? ' selected="selected" ' : '');
@@ -40,16 +39,17 @@ function pdl_selector($uid,$current="") {
 
 	$o .= '</select>';
 	return $o;
-}	
+}
 
 
 
-function comanche_parser(&$a,$s) {
+function comanche_parser(&$a, $s) {
+	$matches = array();
 
 	$cnt = preg_match_all("/\[comment\](.*?)\[\/comment\]/ism", $s, $matches, PREG_SET_ORDER);
 	if($cnt) {
 		foreach($matches as $mtch) {
-			$s = str_replace($mtch[0],'',$s);
+			$s = str_replace($mtch[0], '', $s);
 		}
 	}
 
@@ -99,14 +99,14 @@ function comanche_parser(&$a,$s) {
 function comanche_menu($name,$class = '') {
 	$channel_id = comanche_get_channel_id();
 	if($channel_id) {
-		$m = menu_fetch($name,$channel_id,get_observer_hash());
-		return menu_render($m,$class);
+		$m = menu_fetch($name,$channel_id, get_observer_hash());
+		return menu_render($m, $class);
 	}
 }
 
 function comanche_replace_region($match) {
 	$a = get_app();
-	if(array_key_exists($match[1],$a->page)) {
+	if(array_key_exists($match[1], $a->page)) {
 		return $a->page[$match[1]];
 	}
 }
@@ -121,15 +121,15 @@ function comanche_get_channel_id() {
 	$channel_id = ((is_array(get_app()->profile)) ? get_app()->profile['profile_uid'] : 0);
 	if((! $channel_id) && (local_channel()))
 		$channel_id = local_channel();
+
 	return $channel_id;
 }
 
 function comanche_block($name) {
-
+	$o = '';
 	$channel_id = comanche_get_channel_id();
-	
+
 	if($channel_id) {
-		$o = '';
 		$r = q("select * from item inner join item_id on iid = item.id and item_id.uid = item.uid and item.uid = %d and service = 'BUILDBLOCK' and sid = '%s' limit 1",
 			intval($channel_id),
 			dbesc($name)
@@ -138,11 +138,12 @@ function comanche_block($name) {
 			$o = '<div class="widget bblock">';
 			if($r[0]['title'])
 				$o .= '<h3>' . $r[0]['title'] . '</h3>';
-			$o .= prepare_text($r[0]['body'],$r[0]['mimetype']);
-			$o .= '</div>';
 
+			$o .= prepare_text($r[0]['body'], $r[0]['mimetype']);
+			$o .= '</div>';
 		}
 	}
+
 	return $o;
 }
 
@@ -154,8 +155,9 @@ function comanche_block($name) {
 // of what template and webpage options we might desire. 
 
 function comanche_webpage(&$a,$s) {
-
 	$ret = array();
+	$matches = array();
+
 	$cnt = preg_match_all("/\[authored\](.*?)\[\/authored\]/ism", $s, $matches, PREG_SET_ORDER);
 	if($cnt) {
 		foreach($matches as $mtch) {
@@ -170,9 +172,10 @@ function comanche_webpage(&$a,$s) {
 // the global app environment, or config storage until we implement argument passing
 
 
-function comanche_widget($name,$text) {
-	$a = get_app();
+function comanche_widget($name, $text) {
 	$vars = array();
+	$matches = array();
+
 	$cnt = preg_match_all("/\[var=(.*?)\](.*?)\[\/var\]/ism", $text, $matches, PREG_SET_ORDER);
 	if($cnt) {
 		foreach($matches as $mtch) {
@@ -186,12 +189,13 @@ function comanche_widget($name,$text) {
 }
 
 
-function comanche_region(&$a,$s) {
+function comanche_region(&$a, $s) {
+	$matches = array();
 
 	$cnt = preg_match_all("/\[menu\](.*?)\[\/menu\]/ism", $s, $matches, PREG_SET_ORDER);
 	if($cnt) {
 		foreach($matches as $mtch) {
-			$s = str_replace($mtch[0],comanche_menu(trim($mtch[1])),$s);
+			$s = str_replace($mtch[0], comanche_menu(trim($mtch[1])), $s);
 		}
 	}
 
@@ -244,7 +248,3 @@ function register_page_template($arr) {
 	get_app()->page_layouts[$arr['template']] = array($arr['variant']);
 	return;
 }
-
-
-
-
diff --git a/include/language.php b/include/language.php
index f5ee3471e..ec5fa84fa 100644
--- a/include/language.php
+++ b/include/language.php
@@ -24,6 +24,7 @@
  */
 function get_browser_language() {
 	$langs = array();
+	$lang_parse = array();
 
 	if (x($_SERVER,'HTTP_ACCEPT_LANGUAGE')) {
 		// break up string into pieces (languages and q factors)
@@ -33,7 +34,7 @@ function get_browser_language() {
 		if (count($lang_parse[1])) {
 			// create a list like "en" => 0.8
 			$langs = array_combine($lang_parse[1], $lang_parse[4]);
-		
+
 			// set default to 1 for any without q factor
 			foreach ($langs as $lang => $val) {
 				if ($val === '') $langs[$lang] = 1;
@@ -144,16 +145,16 @@ function load_translation_table($lang, $install = false) {
 /**
  * @brief translate string if translation exists.
  *
- * @param $s string that should get translated
- * @param $ctx optional context to appear in po file
+ * @param string $s string that should get translated
+ * @param string $ctx optional context to appear in po file
  * @return translated string if exists, otherwise return $s
  *
  */
-function t($s,$ctx = '') {
+function t($s, $ctx = '') {
 	global $a;
 
-	$cs = $ctx?"__ctx:".$ctx."__ ".$s:$s;
-	if(x($a->strings,$cs)) {
+	$cs = $ctx ? '__ctx:' . $ctx . '__ ' . $s : $s;
+	if(x($a->strings, $cs)) {
 		$t = $a->strings[$cs];
 		return is_array($t) ? $t[0] : $t;
 	}
@@ -218,7 +219,7 @@ function detect_language($s) {
 	// strip off bbcode
 	$naked_body = preg_replace('/\[(.+?)\]/', '', $naked_body);
 	if(mb_strlen($naked_body) < intval($min_length)) {
-		logger('detect language: string length less than ' . intval($min_length), LOGGER_DATA);
+		logger('string length less than ' . intval($min_length), LOGGER_DATA);
 		return '';
 	}
 
diff --git a/include/photos.php b/include/photos.php
index ee94bac60..794ff7748 100644
--- a/include/photos.php
+++ b/include/photos.php
@@ -53,7 +53,7 @@ function photo_upload($channel, $observer, $args) {
 		$visible = 1;
 	else
 		$visible = 0;
-	
+
 	if(intval($args['not_visible']) || $args['not_visible'] === 'true')
 		$visible = 0;
 
@@ -98,7 +98,6 @@ function photo_upload($channel, $observer, $args) {
 
 		logger('photo_upload: received file: ' . $filename . ' as ' . $src . ' ('. $type . ') ' . $filesize . ' bytes', LOGGER_DEBUG);
 
-	
 		$maximagesize = get_config('system','maximagesize');
 
 		if(($maximagesize) && ($filesize > $maximagesize)) {
@@ -133,7 +132,6 @@ function photo_upload($channel, $observer, $args) {
 		call_hooks('photo_post_end',$ret);
 		return $ret;
 	}
-		
 
 	$ph = photo_factory($imagedata, $type);
 
@@ -185,7 +183,7 @@ function photo_upload($channel, $observer, $args) {
 	$r1 = $ph->save($p);
 	if(! $r1)
 		$errors = true;
-		
+
 	if(($width > 640 || $height > 640) && (! $errors)) {
 		$ph->scaleImage(640);
 		$p['scale'] = 1;
@@ -204,7 +202,6 @@ function photo_upload($channel, $observer, $args) {
 			$errors = true;
 	}
 
-	
 	if($errors) {
 		q("delete from photo where resource_id = '%s' and uid = %d",
 			dbesc($photo_hash),
@@ -220,16 +217,15 @@ function photo_upload($channel, $observer, $args) {
 
 	$width_x_height = $ph->getWidth() . 'x' . $ph->getHeight();
 
-	$basename = basename($filename);
 	$mid = item_message_id();
 
 	// Create item container
 
 	$item_flags = ITEM_WALL|ITEM_ORIGIN|ITEM_THREAD_TOP;
-	$item_restrict = (($visible) ? ITEM_VISIBLE : ITEM_HIDDEN);			
+	$item_restrict = (($visible) ? ITEM_VISIBLE : ITEM_HIDDEN);
 	$title = '';
 	$mid = item_message_id();
-			
+
 	$arr = array();
 
 	$arr['aid']           = $account_id;
@@ -254,7 +250,7 @@ function photo_upload($channel, $observer, $args) {
 	// We should also put a width_x_height on large photos. Left as an exercise for 
 	// devs looking fo simple stuff to fix.
 
-	$larger = feature_enabled($channel['channel_id'],'large_photos');
+	$larger = feature_enabled($channel['channel_id'], 'large_photos');
 	if($larger) {
 		$tag = '[zmg]';
 		if($r2)
@@ -273,7 +269,7 @@ function photo_upload($channel, $observer, $args) {
 	$arr['body']          = '[zrl=' . z_root() . '/photos/' . $channel['channel_address'] . '/image/' . $photo_hash . ']' 
 				. $tag . z_root() . "/photo/{$photo_hash}-{$smallest}.".$ph->getExt() . '[/zmg]'
 				. '[/zrl]';
-		
+
 	$result = item_store($arr);
 	$item_id = $result['item_id'];
 
@@ -291,15 +287,23 @@ function photo_upload($channel, $observer, $args) {
 	return $ret;
 }
 
-
-
-
-function photos_albums_list($channel,$observer) {
+/**
+ * @brief Returns a list with all photo albums observer is allowed to see.
+ *
+ * Returns an associative array with all albums where observer has permissions.
+ *
+ * @param array $channel
+ * @param array $observer
+ * @return bool|array false if no view_photos permission or an array
+ *   * success (bool)
+ *   * albums (array)
+ */
+function photos_albums_list($channel, $observer) {
 
 	$channel_id     = $channel['channel_id'];
 	$observer_xchan = (($observer) ? $observer['xchan_hash'] : '');
 
-	if(! perm_is_allowed($channel_id,$observer_xchan,'view_photos'))
+	if(! perm_is_allowed($channel_id, $observer_xchan, 'view_photos'))
 		return false;
 
 	// FIXME - create a permissions SQL which works on arbitrary observers and channels, regardless of login or web status
@@ -310,7 +314,6 @@ function photos_albums_list($channel,$observer) {
 		intval($channel_id),
 		intval(PHOTO_NORMAL),
 		intval(PHOTO_PROFILE)
-
 	);
 
 	// add various encodings to the array so we can just loop through and pick them out in a template
@@ -330,8 +333,8 @@ function photos_albums_list($channel,$observer) {
 			$ret['albums'][] = $entry;
 		}
 	}
-	return $ret;
 
+	return $ret;
 }
 
 function photos_album_widget($channelx,$observer,$albums = null) {
@@ -395,17 +398,32 @@ function photos_list_photos($channel,$observer,$album = '') {
 	return $ret;
 }
 
-
-
-function photos_album_exists($channel_id,$album) {
-	$r = q("SELECT id from photo where album = '%s' and uid = %d limit 1",
+/**
+ * @brief Check if given photo album exists in channel.
+ *
+ * @param int $channel_id id of the channel
+ * @param string $album name of the album
+ * @return boolean
+ */
+function photos_album_exists($channel_id, $album) {
+	$r = q("SELECT id FROM photo WHERE album = '%s' AND uid = %d limit 1",
 		dbesc($album),
 		intval($channel_id)
 	);
+
 	return (($r) ? true : false);
 }
 
-function photos_album_rename($channel_id,$oldname,$newname) {
+/**
+ * @brief Renames a photo album in a channel.
+ *
+ * @todo Do we need to check if new album name already exists?
+ * @param int $channel_id id of the channel
+ * @param string $oldname The name of the album to rename
+ * @param string $newname The new name of the album
+ * @return bool|array
+ */
+function photos_album_rename($channel_id, $oldname, $newname) {
 	return q("UPDATE photo SET album = '%s' WHERE album = '%s' AND uid = %d",
 		dbesc($newname),
 		dbesc($oldname),
@@ -437,8 +455,8 @@ function photos_album_get_db_idstr($channel_id,$album,$remote_xchan = '') {
 		$str = implode(',',$arr);
 		return $str;
 	}
-	return false;
 
+	return false;
 }
 
 function photos_create_item($channel, $creator_hash, $photo, $visible = false) {
@@ -446,11 +464,10 @@ function photos_create_item($channel, $creator_hash, $photo, $visible = false) {
 	// Create item container
 
 	$item_flags = ITEM_WALL|ITEM_ORIGIN|ITEM_THREAD_TOP;
-	$item_restrict = (($visible) ? ITEM_VISIBLE : ITEM_HIDDEN);			
+	$item_restrict = (($visible) ? ITEM_VISIBLE : ITEM_HIDDEN);
 
-	$title = '';
 	$mid = item_message_id();
-			
+
 	$arr = array();
 
 	$arr['aid']           = $channel['channel_account_id'];
@@ -470,13 +487,13 @@ function photos_create_item($channel, $creator_hash, $photo, $visible = false) {
 	$arr['deny_gid']      = $photo['deny_gid'];
 
 	$arr['plink']         = z_root() . '/channel/' . $channel['channel_address'] . '/?f=&mid=' . $arr['mid'];
-			
+
 	$arr['body']          = '[zrl=' . z_root() . '/photos/' . $channel['channel_address'] . '/image/' . $photo['resource_id'] . ']' 
 		. '[zmg]' . z_root() . '/photo/' . $photo['resource_id'] . '-' . $photo['scale'] . '[/zmg]' 
 		. '[/zrl]';
-		
+
 	$result = item_store($arr);
 	$item_id = $result['item_id'];
-	return $item_id;
 
+	return $item_id;
 }
diff --git a/include/security.php b/include/security.php
index 216299099..e9b41dcf9 100644
--- a/include/security.php
+++ b/include/security.php
@@ -22,7 +22,7 @@ function authenticate_success($user_record, $login_initial = false, $interactive
 		$a->account = $user_record;
 		$_SESSION['account_id'] = $user_record['account_id'];
 		$_SESSION['authenticated'] = 1;
-		
+
 		if($login_initial || $update_lastlog) {
 			q("update account set account_lastlog = '%s' where account_id = %d",
 				dbesc(datetime_convert()),
@@ -150,11 +150,7 @@ function change_channel($change_channel) {
  */
 function permissions_sql($owner_id, $remote_verified = false, $groups = null) {
 
-	if(defined('STATUSNET_PRIVACY_COMPATIBILITY'))
-		return '';
-
 	$local_channel = local_channel();
-	$remote_channel = remote_channel();
 
 	/**
 	 * Construct permissions
@@ -173,7 +169,7 @@ function permissions_sql($owner_id, $remote_verified = false, $groups = null) {
 	 */
 
 	if(($local_channel) && ($local_channel == $owner_id)) {
-		$sql = ''; 
+		$sql = '';
 	}
 
 	/**
@@ -194,7 +190,7 @@ function permissions_sql($owner_id, $remote_verified = false, $groups = null) {
 			if(is_array($groups) && count($groups)) {
 				foreach($groups as $g)
 					$gs .= '|<' . $g . '>';
-			} 
+			}
 			$regexop = db_getfunc('REGEXP');
 			$sql = sprintf(
 				" AND ( NOT (deny_cid like '%s' OR deny_gid $regexop '%s')
@@ -223,11 +219,7 @@ function permissions_sql($owner_id, $remote_verified = false, $groups = null) {
  */
 function item_permissions_sql($owner_id, $remote_verified = false, $groups = null) {
 
-	if(defined('STATUSNET_PRIVACY_COMPATIBILITY'))
-		return '';
-
 	$local_channel = local_channel();
-	$remote_channel = remote_channel();
 
 	/**
 	 * Construct permissions
@@ -246,7 +238,7 @@ function item_permissions_sql($owner_id, $remote_verified = false, $groups = nul
 	}
 
 	/**
-	 * Authenticated visitor. Unless pre-verified, 
+	 * Authenticated visitor. Unless pre-verified,
 	 * check that the contact belongs to this $owner_id
 	 * and load the groups the visitor belongs to.
 	 * If pre-verified, the caller is expected to have already
@@ -330,7 +322,7 @@ function public_permissions_sql($observer_hash) {
  */ 
 function get_form_security_token($typename = '') {
 	$a = get_app();
-	
+
 	$timestamp = time();
 	$sec_hash = hash('whirlpool', $a->user['guid'] . $a->user['prvkey'] . session_id() . $timestamp . $typename);
 
@@ -340,16 +332,16 @@ function get_form_security_token($typename = '') {
 function check_form_security_token($typename = '', $formname = 'form_security_token') {
 	if (!x($_REQUEST, $formname)) return false;
 	$hash = $_REQUEST[$formname];
-	
+
 	$max_livetime = 10800; // 3 hours
-	
+
 	$a = get_app();
-	
+
 	$x = explode('.', $hash);
 	if (time() > (IntVal($x[0]) + $max_livetime)) return false;
-	
+
 	$sec_hash = hash('whirlpool', $a->user['guid'] . $a->user['prvkey'] . session_id() . $x[0] . $typename);
-	
+
 	return ($sec_hash == $x[1]);
 }
 
@@ -417,7 +409,7 @@ function stream_perms_api_uids($perms = NULL ) {
 	if($r) {
 		foreach($r as $rr)
 			if(! in_array($rr['channel_id'], $ret))
-				$ret[] = $rr['channel_id']; 
+				$ret[] = $rr['channel_id'];
 	}
 
 	$str = '';
@@ -425,7 +417,7 @@ function stream_perms_api_uids($perms = NULL ) {
 		foreach($ret as $rr) {
 			if($str)
 				$str .= ',';
-			$str .= intval($rr); 
+			$str .= intval($rr);
 		}
 	}
 	logger('stream_perms_api_uids: ' . $str, LOGGER_DEBUG);
@@ -447,7 +439,7 @@ function stream_perms_xchans($perms = NULL ) {
 	if($r) {
 		foreach($r as $rr)
 			if(! in_array($rr['channel_hash'], $ret))
-				$ret[] = $rr['channel_hash']; 
+				$ret[] = $rr['channel_hash'];
 	}
 
 	$str = '';
@@ -455,7 +447,7 @@ function stream_perms_xchans($perms = NULL ) {
 		foreach($ret as $rr) {
 			if($str)
 				$str .= ',';
-			$str .= "'" . dbesc($rr) . "'"; 
+			$str .= "'" . dbesc($rr) . "'";
 		}
 	}
 	logger('stream_perms_xchans: ' . $str, LOGGER_DEBUG);
diff --git a/include/socgraph.php b/include/socgraph.php
index 59830ef1b..7f03f8696 100644
--- a/include/socgraph.php
+++ b/include/socgraph.php
@@ -3,7 +3,7 @@
 require_once('include/dir_fns.php');
 require_once('include/zot.php');
 
-/*
+/**
  * poco_load
  *
  * xchan is your connection
@@ -21,13 +21,10 @@ require_once('include/zot.php');
  * the given uid, cid to the global contact entry. There can be many uid/cid combinations
  * pointing to the same global contact id. 
  *
+ * @param string $xchan
+ * @param string $url
  */
- 
-
-
-
-function poco_load($xchan = '',$url = null) {
-	$a = get_app();
+function poco_load($xchan = '', $url = null) {
 
 	if($xchan && ! $url) {
 		$r = q("select xchan_connurl from xchan where xchan_hash = '%s' limit 1",
@@ -43,7 +40,6 @@ function poco_load($xchan = '',$url = null) {
 		return;
 	}
 
-
 	$url = $url . '?f=&fields=displayName,hash,urls,photos,rating' ;
 
 	logger('poco_load: ' . $url, LOGGER_DEBUG);
@@ -148,7 +144,7 @@ function poco_load($xchan = '',$url = null) {
 			logger('poco_load: missing data');
 			continue; 
 		}
-		 
+
 		$x = q("select xchan_hash from xchan where xchan_hash = '%s' limit 1",
 			dbesc($hash)
 		);
@@ -182,9 +178,8 @@ function poco_load($xchan = '',$url = null) {
 				continue;
 			}
 		}
-	
-		$total ++;
 
+		$total ++;
 	}
 	logger("poco_load: loaded $total entries",LOGGER_DEBUG);
 
@@ -193,7 +188,6 @@ function poco_load($xchan = '',$url = null) {
 		db_utcnow(), db_quoteinterval('2 DAY')
 	);
 
-
 }
 
 
@@ -230,7 +224,6 @@ function common_friends($uid,$xchan,$start = 0,$limit=100000000,$shuffle = false
 	);
 
 	return $r;
-
 }
 
 
@@ -246,8 +239,8 @@ function count_common_friends_zcid($uid,$zcid) {
 
 	if(count($r))
 		return $r[0]['total'];
-	return 0;
 
+	return 0;
 }
 
 function common_friends_zcid($uid,$zcid,$start = 0, $limit = 9999,$shuffle = false) {
@@ -269,7 +262,6 @@ function common_friends_zcid($uid,$zcid,$start = 0, $limit = 9999,$shuffle = fal
 	);
 
 	return $r;
-
 }
 
 
@@ -284,8 +276,8 @@ function count_all_friends($uid,$cid) {
 
 	if(count($r))
 		return $r[0]['total'];
-	return 0;
 
+	return 0;
 }
 
 
@@ -358,9 +350,7 @@ function suggestion_query($uid, $myxchan, $start = 0, $limit = 80) {
 
 function update_suggestions() {
 
-	$a = get_app();
-
-	$dirmode = get_config('system','directory_mode');
+	$dirmode = get_config('system', 'directory_mode');
 	if($dirmode === false)
 		$dirmode = DIRECTORY_MODE_NORMAL;
 
@@ -374,8 +364,6 @@ function update_suggestions() {
 	if(! $url)
 		return;
 
-
-
 	$ret = z_fetch_url($url);
 
 	if($ret['success']) {
@@ -388,7 +376,6 @@ function update_suggestions() {
 			db_utcnow(), db_quoteinterval('7 DAY')
 		);
 
-
 		$j = json_decode($ret['body'],true);
 		if($j && $j['success']) {
 			foreach($j['entries'] as $host) {
@@ -422,7 +409,6 @@ function poco($a,$extended = false) {
 		$system_mode = true;
 	}
 
-
 	$format = (($_REQUEST['format']) ? $_REQUEST['format'] : 'json');
 
 	$justme = false;
@@ -437,7 +423,7 @@ function poco($a,$extended = false) {
 	}
 	if(argc() > 4 && intval(argv(4)) && $justme == false)
 		$cid = intval(argv(4));
- 		
+
 	if(! $system_mode) {
 
 		$r = q("SELECT channel_id from channel where channel_address = '%s' limit 1",
@@ -487,8 +473,8 @@ function poco($a,$extended = false) {
 	$startIndex = intval($_GET['startIndex']);
 	if(! $startIndex)
 		$startIndex = 0;
-	$itemsPerPage = ((x($_GET,'count') && intval($_GET['count'])) ? intval($_GET['count']) : $totalResults);
 
+	$itemsPerPage = ((x($_GET,'count') && intval($_GET['count'])) ? intval($_GET['count']) : $totalResults);
 
 	if($system_mode) {
 		$r = q("SELECT abook.*, xchan.* from abook left join xchan on abook_xchan = xchan_hash where ( abook_flags & " . ABOOK_FLAG_SELF . 
@@ -496,8 +482,7 @@ function poco($a,$extended = false) {
 			intval($itemsPerPage),
 			intval($startIndex)
 		);
-	}
-	else {
+	} else {
 		$r = q("SELECT abook.*, xchan.* from abook left join xchan on abook_xchan = xchan_hash where abook_channel = %d 
 			$sql_extra LIMIT %d OFFSET %d",
 			intval($channel_id),
@@ -525,8 +510,7 @@ function poco($a,$extended = false) {
 		}
 	}
 
-	$ret['entry']        = array();
-
+	$ret['entry'] = array();
 
 	$fields_ret = array(
 		'id' => false,
@@ -540,10 +524,10 @@ function poco($a,$extended = false) {
 		'rating' => false
 	);
 
-	if((! x($_GET,'fields')) || ($_GET['fields'] === '@all'))
+	if((! x($_GET,'fields')) || ($_GET['fields'] === '@all')) {
 		foreach($fields_ret as $k => $v)
 			$fields_ret[$k] = true;
-	else {
+	} else {
 		$fields_req = explode(',',$_GET['fields']);
 		foreach($fields_req as $f)
 			$fields_ret[trim($f)] = true;
diff --git a/include/taxonomy.php b/include/taxonomy.php
index ef3639067..4333cdf03 100644
--- a/include/taxonomy.php
+++ b/include/taxonomy.php
@@ -38,6 +38,7 @@ function term_query($table,$s,$type = TERM_UNKNOWN) {
 function store_item_tag($uid,$iid,$otype,$type,$term,$url = '') {
 	if(! $term) 
 		return false;
+
 	$r = q("select * from term 
 		where uid = %d and oid = %d and otype = %d and type = %d 
 		and term = '%s' and url = '%s' ",
@@ -50,6 +51,7 @@ function store_item_tag($uid,$iid,$otype,$type,$term,$url = '') {
 	);
 	if($r)
 		return false;
+
 	$r = q("insert into term (uid, oid, otype, type, term, url)
 		values( %d, %d, %d, %d, '%s', '%s') ",
 		intval($uid),
@@ -59,9 +61,11 @@ function store_item_tag($uid,$iid,$otype,$type,$term,$url = '') {
 		dbesc($term),
 		dbesc($url)
 	);
+
 	return $r;
 }
-		
+
+
 function get_terms_oftype($arr,$type) {
 	$ret = array();
 	if(! (is_array($arr) && count($arr)))
@@ -74,6 +78,7 @@ function get_terms_oftype($arr,$type) {
 		foreach($arr as $x)
 			if($x['type'] == $t)
 				$ret[] = $x;
+
 	return $ret;
 }
 
@@ -99,7 +104,7 @@ function format_term_for_display($term) {
 function tagadelic($uid, $count = 0, $authors = '', $flags = 0, $restrict = 0, $type = TERM_HASHTAG) {
 
 	require_once('include/security.php');
-	
+
 	if(! perm_is_allowed($uid,get_observer_hash(),'view_stream'))
 		return array();
 
@@ -112,6 +117,7 @@ function tagadelic($uid, $count = 0, $authors = '', $flags = 0, $restrict = 0, $
 	if($authors) {
 		if(! is_array($authors))
 			$authors = array($authors);
+
 		stringify_array_elms($authors,true);
 		$sql_options .= " and author_xchan in (" . implode(',',$authors) . ") "; 
 	}
@@ -131,8 +137,8 @@ function tagadelic($uid, $count = 0, $authors = '', $flags = 0, $restrict = 0, $
 
 	if(! $r)
 		return array();
-  
-  	// Find minimum and maximum log-count.
+
+	// Find minimum and maximum log-count.
 	$tags = array();
 	$min = 1e9;
 	$max = -1e9;
@@ -158,16 +164,17 @@ function tagadelic($uid, $count = 0, $authors = '', $flags = 0, $restrict = 0, $
 	return $tags;
 }
 
+
 function tags_sort($a,$b) {
-   if(strtolower($a[0]) == strtolower($b[0]))
-	 return 0;
-   return((strtolower($a[0]) < strtolower($b[0])) ? -1 : 1);
+	if(strtolower($a[0]) == strtolower($b[0]))
+		return 0;
+
+	return((strtolower($a[0]) < strtolower($b[0])) ? -1 : 1);
 }
 
 
 function dir_tagadelic($count = 0) {
 
-	$sql_options = '';
 	$count = intval($count);
 
 	// Fetch tags
@@ -178,8 +185,8 @@ function dir_tagadelic($count = 0) {
 
 	if(! $r)
 		return array();
-  
-  	// Find minimum and maximum log-count.
+
+	// Find minimum and maximum log-count.
 	$tags = array();
 	$min = 1e9;
 	$max = -1e9;
@@ -207,65 +214,66 @@ function dir_tagadelic($count = 0) {
 
 
 function tagblock($link,$uid,$count = 0,$authors = '',$flags = 0,$restrict = 0,$type = TERM_HASHTAG) {
-  $o = '';
-  $tab = 0;
-  $r = tagadelic($uid,$count,$authors,$flags,$restrict,$type);
-
-  if($r) {
-	$o = '<div class="tagblock widget"><h3>' . t('Tags') . '</h3><div class="tags" align="center">';
-	foreach($r as $rr) { 
-	  $o .= '<span class="tag'.$rr[2].'">#</span><a href="'.$link .'/' . '?f=&tag=' . urlencode($rr[0]).'" class="tag'.$rr[2].'">'.$rr[0].'</a> ' . "\r\n";
+	$o = '';
+
+	$r = tagadelic($uid,$count,$authors,$flags,$restrict,$type);
+
+	if($r) {
+		$o = '<div class="tagblock widget"><h3>' . t('Tags') . '</h3><div class="tags" align="center">';
+		foreach($r as $rr) { 
+		  $o .= '<span class="tag'.$rr[2].'">#</span><a href="'.$link .'/' . '?f=&tag=' . urlencode($rr[0]).'" class="tag'.$rr[2].'">'.$rr[0].'</a> ' . "\r\n";
+		}
+		$o .= '</div></div>';
 	}
-	$o .= '</div></div>';
-  }
+
 	return $o;
 }
 
+
 function wtagblock($uid,$count = 0,$authors = '',$flags = 0,$restrict = 0,$type = TERM_HASHTAG) {
-  $o = '';
-  $tab = 0;
-  $r = tagadelic($uid,$count,$authors,$flags,$restrict,$type);
+	$o = '';
 
-  if($r) {
-	$c = q("select channel_address from channel where channel_id = %d limit 1",
-		intval($uid)
-	);
+	$r = tagadelic($uid,$count,$authors,$flags,$restrict,$type);
 
-	$o = '<div class="tagblock widget"><h3>' . t('Tags') . '</h3><div class="tags" align="center">';
-	foreach($r as $rr) { 
-	  $o .= '<span class="tag' . $rr[2] . '">#</span><a href="channel/' . $c[0]['channel_address'] . '?f=&tag=' . urlencode($rr[0]).'" class="tag'.$rr[2].'">'.$rr[0].'</a> ' . "\r\n";
+	if($r) {
+		$c = q("select channel_address from channel where channel_id = %d limit 1",
+			intval($uid)
+		);
+	
+		$o = '<div class="tagblock widget"><h3>' . t('Tags') . '</h3><div class="tags" align="center">';
+		foreach($r as $rr) { 
+		  $o .= '<span class="tag' . $rr[2] . '">#</span><a href="channel/' . $c[0]['channel_address'] . '?f=&tag=' . urlencode($rr[0]).'" class="tag'.$rr[2].'">'.$rr[0].'</a> ' . "\r\n";
+		}
+		$o .= '</div></div>';
 	}
-	$o .= '</div></div>';
-  }
+
 	return $o;
 }
 
 
 function catblock($uid,$count = 0,$authors = '',$flags = 0,$restrict = 0,$type = TERM_CATEGORY) {
-  $o = '';
-  $tab = 0;
+	$o = '';
 
-  $r = tagadelic($uid,$count,$authors,$flags,$restrict,$type);
+	$r = tagadelic($uid,$count,$authors,$flags,$restrict,$type);
 
-  if($r) {
-	$c = q("select channel_address from channel where channel_id = %d limit 1",
-		intval($uid)
-	);
-
-	$o = '<div class="tagblock widget"><h3>' . t('Categories') . '</h3><div class="tags" align="center">';
-	foreach($r as $rr) { 
-	  $o .= '<a href="channel/' . $c[0]['channel_address']. '?f=&cat=' . urlencode($rr[0]).'" class="tag'.$rr[2].'">'.$rr[0].'</a> ' . "\r\n";
+	if($r) {
+		$c = q("select channel_address from channel where channel_id = %d limit 1",
+			intval($uid)
+		);
+	
+		$o = '<div class="tagblock widget"><h3>' . t('Categories') . '</h3><div class="tags" align="center">';
+		foreach($r as $rr) { 
+			$o .= '<a href="channel/' . $c[0]['channel_address']. '?f=&cat=' . urlencode($rr[0]).'" class="tag'.$rr[2].'">'.$rr[0].'</a> ' . "\r\n";
+		}
+		$o .= '</div></div>';
 	}
-	$o .= '</div></div>';
-  }
+
 	return $o;
 }
 
 
-
 function dir_tagblock($link,$r) {
 	$o = '';
-	$tab = 0;
 
 	if(! $r)
 		$r = get_app()->data['directory_keywords'];
@@ -277,14 +285,12 @@ function dir_tagblock($link,$r) {
 		}
 		$o .= '</div></div>';
 	}
+
 	return $o;
 }
 
 
 
-
-
-
 	/** 
 	 * verbs: [0] = first person singular, e.g. "I want", [1] = 3rd person singular, e.g. "Bill wants" 
 	 * We use the first person form when creating an activity, but the third person for use in activities
@@ -292,8 +298,6 @@ function dir_tagblock($link,$r) {
 	 * require obj_verbs() to provide full conjugations and specify which form to use in the $_REQUEST params to this module.
 	 */
 
-
-
 function obj_verbs() {
 	$verbs = array(
 		'has' => array( t('have'), t('has')),
@@ -304,26 +308,27 @@ function obj_verbs() {
 
 	$arr = array('verbs' => $verbs);
 	call_hooks('obj_verbs', $arr);
+
 	return	$arr['verbs'];
 }
 
 
 function obj_verb_selector($current = '') {
 	$verbs = obj_verbs();
-	$o .= '<select class="obj-verb-selector" name="verb" >';
+	$o = '<select class="obj-verb-selector" name="verb">';
 	foreach($verbs as $k => $v) {
 		$selected = (($k == $current) ? ' selected="selected" ' : '');
 		$o .= '<option value="' . urlencode($k) . '"' . $selected . '>' . $v[1] . '</option>';
 	}
 	$o .= '</select>';
-	return $o;
 
+	return $o;
 }
 
 function get_things($profile_hash,$uid) {
 
 	$sql_extra = (($profile_hash) ? " and obj_page = '" . $profile_hash . "' " : '');
-	
+
 	$r = q("select * from obj left join term on obj_obj = term_hash where term_hash != '' and uid = %d and obj_type = %d $sql_extra order by obj_verb, term",
 		intval($uid),
 		intval(TERM_OBJ_THING)
@@ -379,11 +384,11 @@ function get_things($profile_hash,$uid) {
 
 			for($x = 0; $x < count($l); $x ++) 
 				$l[$x]['xchan_url'] = zid($l[$x]['xchan_url']);
-					
+
 			if(! $things[$rr['obj_verb']])
 				$things[$rr['obj_verb']] = array();
-			$things[$rr['obj_verb']][] = array('term' => $rr['term'],'url' => $rr['url'],'img' => $rr['imgurl'], 'profile' => $rr['profile_name'],'term_hash' => $rr['term_hash'], 'likes' => $l,'like_count' => count($l),'like_label' => tt('Like','Likes',count($l),'noun'));
 
+			$things[$rr['obj_verb']][] = array('term' => $rr['term'],'url' => $rr['url'],'img' => $rr['imgurl'], 'profile' => $rr['profile_name'],'term_hash' => $rr['term_hash'], 'likes' => $l,'like_count' => count($l),'like_label' => tt('Like','Likes',count($l),'noun'));
 		} 
 		$sorted_things = array();
 		if($things) {
@@ -395,6 +400,6 @@ function get_things($profile_hash,$uid) {
 		}
 	}
 //logger('things: ' . print_r($sorted_things,true));
-	return $sorted_things;
 
+	return $sorted_things;
 }
\ No newline at end of file