Merge pull request #709 from dawnbreak/docu

Add some documentation for import functions.

5 files changed, 465 insertions, 323 deletions

diff --git a/Zotlabs/Module/Import.php b/Zotlabs/Module/Import.php
index 55c1a8d8b..b98c9be9b 100644
--- a/Zotlabs/Module/Import.php
+++ b/Zotlabs/Module/Import.php
@@ -83,6 +83,7 @@ class Import extends \Zotlabs\Web\Controller {
 			$api_path .= 'channel/export/basic?f=&channel=' . $channelname;
 			if($import_posts)
 				$api_path .= '&posts=1';
+
 			$binary = false;
 			$redirects = 0;
 			$opts = array('http_auth' => $email . ':' . $password);
@@ -104,8 +105,8 @@ class Import extends \Zotlabs\Web\Controller {
 
 		$data = json_decode($data,true);
 
-	//	logger('import: data: ' . print_r($data,true));
-	//	print_r($data);
+		//logger('import: data: ' . print_r($data,true));
+		//print_r($data);
 
 		if(! array_key_exists('compatibility',$data)) {
 			call_hooks('import_foreign_channel_data',$data);
@@ -248,7 +249,7 @@ class Import extends \Zotlabs\Web\Controller {
 
 		logger('import step 6');
 
-
+		// import xchans
 		$xchans = $data['xchan'];
 		if($xchans) {
 			foreach($xchans as $xchan) {
@@ -292,13 +293,11 @@ class Import extends \Zotlabs\Web\Controller {
 					dbesc($photodate),
 					dbesc($xchan['xchan_hash'])
 				);
-
 			}
 
 			logger('import step 7');
 		}
 
-
 		$friends = 0;
 		$feeds = 0;
 
@@ -367,19 +366,20 @@ class Import extends \Zotlabs\Web\Controller {
 			logger('import step 8');
 		}
 
+		// import groups
 		$groups = $data['group'];
 		if($groups) {
 			$saved = array();
 			foreach($groups as $group) {
 				$saved[$group['hash']] = array('old' => $group['id']);
-				if(array_key_exists('name',$group)) {
+				if(array_key_exists('name', $group)) {
 					$group['gname'] = $group['name'];
 					unset($group['name']);
 				}
 				unset($group['id']);
 				$group['uid'] = $channel['channel_id'];
 
-				create_table_from_array('groups',$group);
+				create_table_from_array('groups', $group);
 			}
 			$r = q("select * from groups where uid = %d",
 				intval($channel['channel_id'])
@@ -391,7 +391,7 @@ class Import extends \Zotlabs\Web\Controller {
 			}
 		}
 
-
+		// import group members
 		$group_members = $data['group_member'];
 		if($group_members) {
 			foreach($group_members as $group_member) {
@@ -401,7 +401,7 @@ class Import extends \Zotlabs\Web\Controller {
 					if($x['old'] == $group_member['gid'])
 						$group_member['gid'] = $x['new'];
 				}
-				create_table_from_array('group_member',$group_member);
+				create_table_from_array('group_member', $group_member);
 			}
 		}
 
@@ -450,7 +450,6 @@ class Import extends \Zotlabs\Web\Controller {
 
 		notifications_on($channel['channel_id'],$saved_notification_flags);
 
-
 		if(array_key_exists('item_id',$data) && $data['item_id'])
 			import_item_ids($channel,$data['item_id']);
 
@@ -490,7 +489,7 @@ class Import extends \Zotlabs\Web\Controller {
 	function get() {
 
 		if(! get_account_id()) {
-			notice( t('You must be logged in to use this feature.'));
+			notice( t('You must be logged in to use this feature.') . EOL);
 			return '';
 		}
 
diff --git a/Zotlabs/Module/Import_items.php b/Zotlabs/Module/Import_items.php
index f20cbfe7e..133e37d9e 100644
--- a/Zotlabs/Module/Import_items.php
+++ b/Zotlabs/Module/Import_items.php
@@ -3,54 +3,58 @@ namespace Zotlabs\Module;
 
 require_once('include/import.php');
 
-
+/**
+ * @brief Module for importing items.
+ *
+ * Import existing posts and content from an export file.
+ */
 class Import_items extends \Zotlabs\Web\Controller {
 
 	function post() {
-	
+
 		if(! local_channel())
 			return;
-	
+
 		$data     = null;
-	
+
 		$src      = $_FILES['filename']['tmp_name'];
 		$filename = basename($_FILES['filename']['name']);
 		$filesize = intval($_FILES['filename']['size']);
 		$filetype = $_FILES['filename']['type'];
-	
+
 		if($src) {
 			// This is OS specific and could also fail if your tmpdir isn't very large
 			// mostly used for Diaspora which exports gzipped files.
-	
+
 			if(strpos($filename,'.gz')){
 				@rename($src,$src . '.gz');
 				@system('gunzip ' . escapeshellarg($src . '.gz'));
 			}
-	
+
 			if($filesize) {
 				$data = @file_get_contents($src);
 			}
 			unlink($src);
 		}
-	
+
 		if(! $src) {
-	
+
 			$old_address = ((x($_REQUEST,'old_address')) ? $_REQUEST['old_address'] : '');
-	
+
 			if(! $old_address) {
-				logger('mod_import: nothing to import.');
+				logger('Nothing to import.');
 				notice( t('Nothing to import.') . EOL);
 				return;
 			}
-	
+
 			$email    = ((x($_REQUEST,'email'))    ? $_REQUEST['email']    : '');
 			$password = ((x($_REQUEST,'password')) ? $_REQUEST['password'] : '');
-	
+
 			$year = ((x($_REQUEST,'year'))    ? $_REQUEST['year']    : '');
-	
+
 			$channelname = substr($old_address,0,strpos($old_address,'@'));
 			$servername  = substr($old_address,strpos($old_address,'@')+1);
-	
+
 			$scheme = 'https://';
 			$api_path = '/api/red/channel/export/items?f=&channel=' . $channelname . '&year=' . intval($year);
 			$binary = false;
@@ -64,68 +68,65 @@ class Import_items extends \Zotlabs\Web\Controller {
 				$data = $ret['body'];
 			else
 				notice( t('Unable to download data from old server') . EOL);
-	
 		}
-	
+
 		if(! $data) {
-			logger('mod_import: empty file.');
+			logger('Empty file.');
 			notice( t('Imported file is empty.') . EOL);
 			return;
 		}
-	
-		$data = json_decode($data,true);
-	
-	//	logger('import: data: ' . print_r($data,true));
-	//	print_r($data);
-	
+
+		$data = json_decode($data, true);
+
+		//logger('import: data: ' . print_r($data,true));
+		//print_r($data);
+
 		if(! is_array($data))
 			return;
-	
+
 		if(array_key_exists('compatibility',$data) && array_key_exists('database',$data['compatibility'])) {
 			$v1 = substr($data['compatibility']['database'],-4);
 			$v2 = substr(DB_UPDATE_VERSION,-4);
 			if($v2 > $v1) {
-				$t = sprintf( t('Warning: Database versions differ by %1$d updates.'), $v2 - $v1 ); 
-				notice($t);
+				$t = sprintf( t('Warning: Database versions differ by %1$d updates.'), $v2 - $v1 );
+				notice($t . EOL);
 			}
 		}
-	
+
 		$channel = \App::get_channel();
-	
-	
+
 		if(array_key_exists('item',$data) && $data['item']) {
 			import_items($channel,$data['item'],false,((array_key_exists('relocate',$data)) ? $data['relocate'] : null));
 		}
-	
+
 		if(array_key_exists('item_id',$data) && $data['item_id']) {
 			import_item_ids($channel,$data['item_id']);
 		}
-	
+
 		info( t('Import completed') . EOL);
-		return;
 	}
-	
-	
-	
-	
+
+
+	/**
+	 * @brief Generate item import page.
+	 *
+	 * @return string with parsed HTML.
+	 */
 	function get() {
-	
+
 		if(! local_channel()) {
 			notice( t('Permission denied') . EOL);
 			return login();
 		}
-	
-		$o = replace_macros(get_markup_template('item_import.tpl'),array(
+
+		$o = replace_macros(get_markup_template('item_import.tpl'), array(
 			'$title' => t('Import Items'),
 			'$desc' => t('Use this form to import existing posts and content from an export file.'),
 			'$label_filename' => t('File to Upload'),
 			'$submit' => t('Submit')
 		));
-	
+
 		return $o;
-	
 	}
-	
-	
-	
+
 }
diff --git a/include/hubloc.php b/include/hubloc.php
index e17be028c..599252522 100644
--- a/include/hubloc.php
+++ b/include/hubloc.php
@@ -1,6 +1,17 @@
-<?php /** @file */
-
-
+<?php
+/**
+ * @file include/hubloc.php
+ * @brief Hubloc related functions.
+ */
+
+/**
+ * @brief Create an array for hubloc table and insert record.
+ *
+ * Creates an assoziative array which will be inserted into the hubloc table.
+ *
+  * @param array $arr An assoziative array with hubloc values
+ * @return boolean|PDOStatement
+ */
 function hubloc_store_lowlevel($arr) {
 
 	$store = [
@@ -25,8 +36,7 @@ function hubloc_store_lowlevel($arr) {
 		'hubloc_deleted'     => ((array_key_exists('hubloc_deleted',$arr))     ? $arr['hubloc_deleted']     : 0)
 	];
 
-	return create_table_from_array('hubloc',$store);
-
+	return create_table_from_array('hubloc', $store);
 }
 
 
@@ -45,9 +55,8 @@ function prune_hub_reinstalls() {
 			// see if this url has more than one sitekey, indicating it has been re-installed.
 
 			if(count($x) > 1) {
-				
-				$d1 = datetime_convert('UTC','UTC',$x[0]['c']);
-				$d2 = datetime_convert('UTC','UTC','now - 3 days');
+				$d1 = datetime_convert('UTC', 'UTC', $x[0]['c']);
+				$d2 = datetime_convert('UTC', 'UTC', 'now - 3 days');
 
 				// allow some slop period, say 3 days - just in case this is a glitch or transient occurrence
 				// Then remove any hublocs pointing to the oldest entry.
@@ -63,18 +72,22 @@ function prune_hub_reinstalls() {
 	}
 }
 
-function remove_obsolete_hublocs() {
-
-	logger('remove_obsolete_hublocs',LOGGER_DEBUG);
 
-	// Get rid of any hublocs which are ours but aren't valid anymore - 
-	// e.g. they point to a different and perhaps transient URL that we aren't using.
+/**
+ * @brief Remove obsolete hublocs.
+ *
+ * Get rid of any hublocs which are ours but aren't valid anymore -
+ * e.g. they point to a different and perhaps transient URL that we aren't using.
+ *
+ * I need to stress that this shouldn't happen. fix_system_urls() fixes hublocs
+ * when it discovers the URL has changed. So it's unclear how we could end up
+ * with URLs pointing to the old site name. But it happens. This may be an artifact
+ * of an old bug or maybe a regression in some newer code. In any event, they
+ * mess up communications and we have to take action if we find any.
+ */
+function remove_obsolete_hublocs() {
 
-	// I need to stress that this shouldn't happen. fix_system_urls() fixes hublocs
-	// when it discovers the URL has changed. So it's unclear how we could end up
-	// with URLs pointing to the old site name. But it happens. This may be an artifact
-	// of an old bug or maybe a regression in some newer code. In any event, they
-	// mess up communications and we have to take action if we find any. 
+	logger('remove_obsolete_hublocs', LOGGER_DEBUG);
 
 	// First make sure we have any hublocs (at all) with this URL and sitekey.
 	// We don't want to perform this operation while somebody is in the process
@@ -82,27 +95,25 @@ function remove_obsolete_hublocs() {
 
 	$r = q("select hubloc_id from hubloc where hubloc_url = '%s' and hubloc_sitekey = '%s'",
 		dbesc(z_root()),
-		dbesc(get_config('system','pubkey'))
+		dbesc(get_config('system', 'pubkey'))
 	);
 	if((! $r) || (! count($r)))
 		return;
 
-	$channels = array();
-
 	// Good. We have at least one *valid* hubloc.
 
 	// Do we have any invalid ones?
 
 	$r = q("select hubloc_id from hubloc where hubloc_sitekey = '%s' and hubloc_url != '%s'",
-		dbesc(get_config('system','pubkey')),
+		dbesc(get_config('system', 'pubkey')),
 		dbesc(z_root())
 	);
 	$p = q("select hubloc_id from hubloc where hubloc_sitekey != '%s' and hubloc_url = '%s'",
-		dbesc(get_config('system','pubkey')),
+		dbesc(get_config('system', 'pubkey')),
 		dbesc(z_root())
 	);
 	if(is_array($r) && is_array($p))
-		$r = array_merge($r,$p);
+		$r = array_merge($r, $p);
 
 	if(! $r)
 		return;
@@ -111,8 +122,8 @@ function remove_obsolete_hublocs() {
 
 	logger('remove_obsolete_hublocs: removing ' . count($r) . ' hublocs.');
 
-	$interval = ((get_config('system','delivery_interval') !== false) 
-			? intval(get_config('system','delivery_interval')) : 2 );
+	$interval = ((get_config('system', 'delivery_interval') !== false)
+			? intval(get_config('system', 'delivery_interval')) : 2 );
 
 	foreach($r as $rr) {
 		q("update hubloc set hubloc_deleted = 1 where hubloc_id = %d",
@@ -120,10 +131,10 @@ function remove_obsolete_hublocs() {
 		);
 
 		$x = q("select channel_id from channel where channel_hash = '%s' limit 1",
-			dbesc($rr['hubloc_hash']) 
+			dbesc($rr['hubloc_hash'])
 		);
 		if($x) {
-			Zotlabs\Daemon\Master::Summon(array('Notifier','location',$x[0]['channel_id']));
+			Zotlabs\Daemon\Master::Summon(array('Notifier', 'location', $x[0]['channel_id']));
 			if($interval)
 				@time_sleep_until(microtime(true) + (float) $interval);
 		}
@@ -131,8 +142,15 @@ function remove_obsolete_hublocs() {
 }
 
 
-// This actually changes other structures to match the given (presumably current) hubloc primary selection
-
+/**
+ * @brief Change primary hubloc.
+ *
+ * This actually changes other structures to match the given (presumably current)
+ * hubloc primary selection.
+ *
+ * @param array $hubloc
+ * @return boolean
+ */
 function hubloc_change_primary($hubloc) {
 
 	if(! is_array($hubloc)) {
@@ -170,7 +188,7 @@ function hubloc_change_primary($hubloc) {
 		dbesc($hubloc['hubloc_hash'])
 	);
 	if(! $r) {
-		logger('xchan not found');		
+		logger('xchan not found');
 		return false;
 	}
 	if($r[0]['xchan_addr'] === $hubloc['hubloc_addr']) {
@@ -179,7 +197,7 @@ function hubloc_change_primary($hubloc) {
 	}
 
 	$url = $hubloc['hubloc_url'];
-	$lwebbie = substr($hubloc['hubloc_addr'],0,strpos($hubloc['hubloc_addr'],'@'));
+	$lwebbie = substr($hubloc['hubloc_addr'], 0, strpos($hubloc['hubloc_addr'], '@'));
 
 	$r = q("update xchan set xchan_addr = '%s', xchan_url = '%s', xchan_follow = '%s', xchan_connurl = '%s' where xchan_hash = '%s'",
 		dbesc($hubloc['hubloc_addr']),
@@ -191,14 +209,19 @@ function hubloc_change_primary($hubloc) {
 	if(! $r)
 		logger('xchan_update failed.');
 
-	logger('primary hubloc changed.' . print_r($hubloc,true),LOGGER_DEBUG);
+	logger('primary hubloc changed.' . print_r($hubloc, true), LOGGER_DEBUG);
 	return true;
-
 }
 
-// We use the post url to distinguish between http and https hublocs. 
-// The https might be alive, and the http dead.
 
+/**
+ * @brief Mark a hubloc as down.
+ *
+ * We use the post url to distinguish between http and https hublocs.
+ * The https might be alive, and the http dead.
+ *
+ * @param string $posturl Hubloc callback url which to disable
+ */
 function hubloc_mark_as_down($posturl) {
 	$r = q("update hubloc set hubloc_status = ( hubloc_status | %d ) where hubloc_callback = '%s'",
 		intval(HUBLOC_OFFLINE),
@@ -208,22 +231,21 @@ function hubloc_mark_as_down($posturl) {
 
 
 
-
 function ping_site($url) {
 
 		$ret = array('success' => false);
 
 		$sys = get_sys_channel();
 
-		$m = zot_build_packet($sys,'ping');
-		$r = zot_zot($url . '/post',$m);
+		$m = zot_build_packet($sys, 'ping');
+		$r = zot_zot($url . '/post', $m);
 		if(! $r['success']) {
 			$ret['message'] = 'no answer from ' . $url;
 			return $ret;
 		}
-		$packet_result = json_decode($r['body'],true);
+		$packet_result = json_decode($r['body'], true);
 		if(! $packet_result['success']) {
-			$ret['message'] = 'packet failure from ' . $url;		
+			$ret['message'] = 'packet failure from ' . $url;
 			return $ret;
 		}
 
diff --git a/include/import.php b/include/import.php
index d0e15c89d..f6ebd4bff 100644
--- a/include/import.php
+++ b/include/import.php
@@ -1,8 +1,19 @@
 <?php
 
+use Zotlabs\Lib\IConfig;
+
 require_once('include/menu.php');
 require_once('include/perm_upgrade.php');
 
+
+/**
+ * @brief Import a channel.
+ *
+ * @param array $channel
+ * @param int $account_id
+ * @param int $seize
+ * @return boolean|array
+ */
 function import_channel($channel, $account_id, $seize) {
 
 	if(! array_key_exists('channel_system',$channel)) {
@@ -51,7 +62,7 @@ function import_channel($channel, $account_id, $seize) {
 				notice( t('Unable to create a unique channel address. Import failed.') . EOL);
 				return false;
 			}
-		}		
+		}
 	}
 
 	unset($channel['channel_id']);
@@ -66,12 +77,12 @@ function import_channel($channel, $account_id, $seize) {
 	// remove all the permissions related settings, we will import/upgrade them after the channel
 	// is created.
 
-	$disallowed = [ 
-		'channel_id',         'channel_r_stream',    'channel_r_profile', 'channel_r_abook', 
-		'channel_r_storage',  'channel_r_pages',     'channel_w_stream',  'channel_w_wall', 
-		'channel_w_comment',  'channel_w_mail',      'channel_w_like',    'channel_w_tagwall', 
-		'channel_w_chat',     'channel_w_storage',   'channel_w_pages',   'channel_a_republish', 
-		'channel_a_delegate', 'perm_limits' 
+	$disallowed = [
+		'channel_id',         'channel_r_stream',    'channel_r_profile', 'channel_r_abook',
+		'channel_r_storage',  'channel_r_pages',     'channel_w_stream',  'channel_w_wall',
+		'channel_w_comment',  'channel_w_mail',      'channel_w_like',    'channel_w_tagwall',
+		'channel_w_chat',     'channel_w_storage',   'channel_w_pages',   'channel_a_republish',
+		'channel_a_delegate', 'perm_limits'
 	];
 
 	$clean = array();
@@ -108,24 +119,37 @@ function import_channel($channel, $account_id, $seize) {
 	set_default_login_identity($account_id,$channel['channel_id'],false);
 	logger('import step 1');
 	$_SESSION['import_step'] = 1;
-	return $channel;	
 
+	return $channel;
 }
 
-function import_config($channel,$configs) {
+/**
+ * @brief Import pconfig for channel.
+ *
+ * @param array $channel
+ * @param array $configs
+ */
+function import_config($channel, $configs) {
 
 	if($channel && $configs) {
 		foreach($configs as $config) {
 			unset($config['id']);
 			$config['uid'] = $channel['channel_id'];
-			create_table_from_array('pconfig',$config);
+
+			create_table_from_array('pconfig', $config);
 		}
+
 		load_pconfig($channel['channel_id']);
-	}	
+	}
 }
 
-
-function import_profiles($channel,$profiles) {
+/**
+ * @brief Import profiles.
+ *
+ * @param array $channel
+ * @param array $profiles
+ */
+function import_profiles($channel, $profiles) {
 
 	if($channel && $profiles) {
 		foreach($profiles as $profile) {
@@ -137,19 +161,29 @@ function import_profiles($channel,$profiles) {
 			convert_oldfields($profile,'with','partner');
 			convert_oldfields($profile,'work','employment');
 
+			/**
+			 * @TODO we are going to reset all profile photos to the original
+			 * somebody will have to fix this later and put all the applicable
+			 * photos into the export.
+			 */
 
-			// we are going to reset all profile photos to the original
-			// somebody will have to fix this later and put all the applicable photos into the export
-	
 			$profile['photo'] = z_root() . '/photo/profile/l/' . $channel['channel_id'];
 			$profile['thumb'] = z_root() . '/photo/profile/m/' . $channel['channel_id'];
-			create_table_from_array('profile',$profile);
+
+			create_table_from_array('profile', $profile);
 		}
 	}
 }
 
-
-function import_hublocs($channel,$hublocs,$seize,$moving = false) {
+/**
+ * @brief Import hublocs.
+ *
+ * @param array $channel
+ * @param array $hublocs
+ * @param unknown $seize
+ * @param boolean $moving
+ */
+function import_hublocs($channel, $hublocs, $seize, $moving = false) {
 
 	if($channel && $hublocs) {
 		foreach($hublocs as $hubloc) {
@@ -181,25 +215,28 @@ function import_hublocs($channel,$hublocs,$seize,$moving = false) {
 			if(($hubloc['hubloc_hash'] === $channel['channel_hash']) && intval($hubloc['hubloc_primary']) && ($seize))
 				$hubloc['hubloc_primary'] = 0;
 
-			if(($x = zot_gethub($arr,false)) === false) {				
+			if(($x = zot_gethub($arr,false)) === false) {
 				unset($hubloc['hubloc_id']);
-				create_table_from_array('hubloc',$hubloc);
+				create_table_from_array('hubloc', $hubloc);
 			}
 			else {
 				q("UPDATE hubloc set hubloc_primary = %d, hubloc_deleted = %d where hubloc_id = %d",
 					intval($hubloc['hubloc_primary']),
 					intval($hubloc['hubloc_deleted']),
 					intval($x['hubloc_id'])
-				);				
-
+				);
 			}
 		}
 	}
 }
 
-
-
-function import_objs($channel,$objs) {
+/**
+ * @brief Import things.
+ *
+ * @param array $channel
+ * @param array $objs
+ */
+function import_objs($channel, $objs) {
 
 	if($channel && $objs) {
 		foreach($objs as $obj) {
@@ -214,21 +251,27 @@ function import_objs($channel,$objs) {
 
 			$obj['obj_channel'] = $channel['channel_id'];
 
-			if($baseurl && (strpos($obj['obj_url'],$baseurl . '/thing/') !== false)) {
-				$obj['obj_url'] = str_replace($baseurl,z_root(),$obj['obj_url']);
+			if($baseurl && (strpos($obj['obj_url'], $baseurl . '/thing/') !== false)) {
+				$obj['obj_url'] = str_replace($baseurl, z_root(), $obj['obj_url']);
 			}
 
 			if($obj['obj_imgurl']) {
-	            $x = import_xchan_photo($obj['obj_imgurl'],$channel['channel_hash'],true);
+				$x = import_xchan_photo($obj['obj_imgurl'], $channel['channel_hash'], true);
 				$obj['obj_imgurl'] = $x[0];
 			}
 
-			create_table_from_array('obj',$obj);
+			create_table_from_array('obj', $obj);
 		}
 	}
 }
 
-function sync_objs($channel,$objs) {
+/**
+ * @brief Import things.
+ *
+ * @param array $channel
+ * @param array $objs
+ */
+function sync_objs($channel, $objs) {
 
 	if($channel && $objs) {
 		foreach($objs as $obj) {
@@ -251,8 +294,8 @@ function sync_objs($channel,$objs) {
 
 			$obj['obj_channel'] = $channel['channel_id'];
 
-			if($baseurl && (strpos($obj['obj_url'],$baseurl . '/thing/') !== false)) {
-				$obj['obj_url'] = str_replace($baseurl,z_root(),$obj['obj_url']);
+			if($baseurl && (strpos($obj['obj_url'], $baseurl . '/thing/') !== false)) {
+				$obj['obj_url'] = str_replace($baseurl, z_root(), $obj['obj_url']);
 			}
 
 			$exists = false;
@@ -269,12 +312,12 @@ function sync_objs($channel,$objs) {
 			}
 
 			if($obj['obj_imgurl']) {
-	            $x = import_xchan_photo($obj['obj_imgurl'],$channel['channel_hash'],true);
+				$x = import_xchan_photo($obj['obj_imgurl'], $channel['channel_hash'], true);
 				$obj['obj_imgurl'] = $x[0];
 			}
 
 			$hash = $obj['obj_obj'];
-			
+
 			if($exists) {
 				unset($obj['obj_obj']);
 				foreach($obj as $k => $v) {
@@ -286,23 +329,25 @@ function sync_objs($channel,$objs) {
 					);
 				}
 			}
-			else {						
-				create_table_from_array('obj',$obj);
+			else {
+				create_table_from_array('obj', $obj);
 			}
 		}
 	}
 }
 
-
-
-
-
-function import_apps($channel,$apps) {
+/**
+ * @brief Import apps.
+ *
+ * @param array $channel
+ * @param array $apps
+ */
+function import_apps($channel, $apps) {
 
 	if($channel && $apps) {
 		foreach($apps as $app) {
 
-			$term = ((array_key_exists('term',$app) && is_array($app['term'])) ? $app['term'] : null); 
+			$term = ((array_key_exists('term',$app) && is_array($app['term'])) ? $app['term'] : null);
 
 			unset($app['id']);
 			unset($app['app_channel']);
@@ -311,13 +356,13 @@ function import_apps($channel,$apps) {
 			$app['app_channel'] = $channel['channel_id'];
 
 			if($app['app_photo']) {
-	            $x = import_xchan_photo($app['app_photo'],$channel['channel_hash'],true);
+				$x = import_xchan_photo($app['app_photo'], $channel['channel_hash'], true);
 				$app['app_photo'] = $x[0];
 			}
 
 			$hash = $app['app_id'];
 
-			create_table_from_array('app',$app);
+			create_table_from_array('app', $app);
 
 			if($term) {
 				$x = q("select * from app where app_id = '%s' and app_channel = %d limit 1",
@@ -328,20 +373,22 @@ function import_apps($channel,$apps) {
 					foreach($term as $t) {
 						if(array_key_exists('type',$t))
 							$t['ttype'] = $t['type'];
+
 						store_item_tag($channel['channel_id'],$x[0]['id'],TERM_OBJ_APP,$t['ttype'],escape_tags($t['term']),escape_tags($t['url']));
 					}
 				}
 			}
-
-
-
 		}
 	}
 }
 
-
-
-function sync_apps($channel,$apps) {
+/**
+ * @brief Sync apps.
+ *
+ * @param array $channel
+ * @param array $apps
+ */
+function sync_apps($channel, $apps) {
 
 	if($channel && $apps) {
 		foreach($apps as $app) {
@@ -356,20 +403,20 @@ function sync_apps($channel,$apps) {
 			if($x) {
 				$exists = $x[0];
 			}
-			
+
 			if(array_key_exists('app_deleted',$app) && $app['app_deleted'] && $app['app_id']) {
-                q("delete from app where app_id = '%s' and app_channel = %d",
-                    dbesc($app['app_id']),
-                    intval($channel['channel_id'])
-                );
+				q("delete from app where app_id = '%s' and app_channel = %d",
+						dbesc($app['app_id']),
+						intval($channel['channel_id'])
+				);
 				if($exists) {
 					q("delete from term where otype = %d and oid = %d",
 						intval(TERM_OBJ_APP),
 						intval($exists['id'])
-            		);
+					);
 				}
-                continue;
-            }
+				continue;
+			}
 
 			unset($app['id']);
 			unset($app['app_channel']);
@@ -379,7 +426,7 @@ function sync_apps($channel,$apps) {
 				q("delete from term where otype = %d and oid = %d",
 					intval(TERM_OBJ_APP),
 					intval($exists['id'])
-            	);
+				);
 			}
 
 			if((! $app['app_created']) || ($app['app_created'] <= NULL_DATE))
@@ -440,9 +487,13 @@ function sync_apps($channel,$apps) {
 	}
 }
 
-
-
-function import_chatrooms($channel,$chatrooms) {
+/**
+ * @brief Import chatrooms.
+ *
+ * @param array $channel
+ * @param array $chatrooms
+ */
+function import_chatrooms($channel, $chatrooms) {
 
 	if($channel && $chatrooms) {
 		foreach($chatrooms as $chatroom) {
@@ -457,14 +508,18 @@ function import_chatrooms($channel,$chatrooms) {
 			$chatroom['cr_aid'] = $channel['channel_account_id'];
 			$chatroom['cr_uid'] = $channel['channel_id'];
 
-			create_table_from_array('chatroom',$chatroom);
+			create_table_from_array('chatroom', $chatroom);
 		}
 	}
 }
 
-
-
-function sync_chatrooms($channel,$chatrooms) {
+/**
+ * @brief Sync chatrooms.
+ *
+ * @param array $channel
+ * @param array $chatrooms
+ */
+function sync_chatrooms($channel, $chatrooms) {
 
 	if($channel && $chatrooms) {
 		foreach($chatrooms as $chatroom) {
@@ -473,13 +528,12 @@ function sync_chatrooms($channel,$chatrooms) {
 				continue;
 
 			if(array_key_exists('cr_deleted',$chatroom) && $chatroom['cr_deleted']) {
-                q("delete from chatroom where cr_name = '%s' and cr_uid = %d",
-                    dbesc($chatroom['cr_name']),
-                    intval($channel['channel_id'])
-                );
-                continue;
-            }
-
+				q("delete from chatroom where cr_name = '%s' and cr_uid = %d",
+						dbesc($chatroom['cr_name']),
+						intval($channel['channel_id'])
+				);
+				continue;
+			}
 
 			unset($chatroom['cr_id']);
 			unset($chatroom['cr_aid']);
@@ -502,6 +556,7 @@ function sync_chatrooms($channel,$chatrooms) {
 			if($x) {
 				if($x[0]['cr_edited'] >= $chatroom['cr_edited'])
 					continue;
+
 				$exists = true;
 			}
 			$name = $chatroom['cr_name'];
@@ -517,21 +572,28 @@ function sync_chatrooms($channel,$chatrooms) {
 				}
 			}
 			else {
-				create_table_from_array('chatroom',$chatroom);
+				create_table_from_array('chatroom', $chatroom);
 			}
 		}
 	}
 }
 
 
-
-function import_items($channel,$items,$sync = false,$relocate = null) {
+/**
+ * @brief Import items to channel.
+ *
+ * @param array $channel where to import to
+ * @param array $items
+ * @param boolean $sync
+ * @param array $relocate default null
+ */
+function import_items($channel, $items, $sync = false, $relocate = null) {
 
 	if($channel && $items) {
-		
+
 		$allow_code = channel_codeallowed($channel['channel_id']);
 
-		$deliver = false;  // Don't deliver any messages or notifications when importing
+		$deliver = false; // Don't deliver any messages or notifications when importing
 
 		foreach($items as $i) {
 			$item_result = false;
@@ -549,14 +611,14 @@ function import_items($channel,$items,$sync = false,$relocate = null) {
 			);
 			if($r) {
 
-				// flags may have changed and we are probably relocating the post, 
+				// flags may have changed and we are probably relocating the post,
 				// so force an update even if we have the same timestamp
 
 				if($item['edited'] >= $r[0]['edited']) {
 					$item['id'] = $r[0]['id'];
 					$item['uid'] = $channel['channel_id'];
 					$item_result = item_store_update($item,$allow_code,$deliver);
-				}	
+				}
 			}
 			else {
 				$item['aid'] = $channel['channel_account_id'];
@@ -578,9 +640,17 @@ function import_items($channel,$items,$sync = false,$relocate = null) {
 	}
 }
 
-
-function sync_items($channel,$items,$relocate = null) {
-	import_items($channel,$items,true,$relocate);
+/**
+ * @brief Sync items to channel.
+ *
+ * @see import_items
+ *
+ * @param array $channel where to import to
+ * @param array $items
+ * @param array $relocate default null
+ */
+function sync_items($channel, $items, $relocate = null) {
+	import_items($channel, $items, true, $relocate);
 }
 
 
@@ -594,20 +664,26 @@ function import_item_ids($channel,$itemids) {
 			);
 			if(! $r)
 				continue;
-			$z = q("select * from iconfig where iconfig.cat = 'system' and iconfig.k = '%s' 
+			$z = q("select * from iconfig where iconfig.cat = 'system' and iconfig.k = '%s'
 				and iconfig.v = '%s' and iid = %d limit 1",
 				dbesc($i['service']),
 				dbesc($i['sid']),
 				intval($r[0]['id'])
 			);
 			if(! $z) {
-				\Zotlabs\Lib\IConfig::Set($r[0]['id'],'system',$i['service'],$i['sid'],true);
+				IConfig::Set($r[0]['id'],'system',$i['service'],$i['sid'],true);
 			}
 		}
 	}
 }
 
-function import_events($channel,$events) {
+/**
+ * @brief Import events.
+ *
+ * @param array $channel
+ * @param array $events
+ */
+function import_events($channel, $events) {
 
 	if($channel && $events) {
 		foreach($events as $event) {
@@ -619,13 +695,18 @@ function import_events($channel,$events) {
 			convert_oldfields($event,'type','etype');
 			convert_oldfields($event,'ignore','dismissed');
 
-			create_table_from_array('event',$event);
+			create_table_from_array('event', $event);
 		}
 	}
 }
 
-
-function sync_events($channel,$events) {
+/**
+ * @brief Sync events.
+ *
+ * @param array $channel
+ * @param array $events
+ */
+function sync_events($channel, $events) {
 
 	if($channel && $events) {
 		foreach($events as $event) {
@@ -637,7 +718,7 @@ function sync_events($channel,$events) {
 				$r = q("delete from event where event_hash = '%s' and uid = %d",
 					dbesc($event['event_hash']),
 					intval($channel['channel_id'])
-				);	
+				);
 				continue;
 			}
 
@@ -650,7 +731,6 @@ function sync_events($channel,$events) {
 			convert_oldfields($event,'type','etype');
 			convert_oldfields($event,'ignore','dismissed');
 
-
 			$exists = false;
 
 			$x = q("select * from event where event_hash = '%s' and uid = %d limit 1",
@@ -660,6 +740,7 @@ function sync_events($channel,$events) {
 			if($x) {
 				if($x[0]['edited'] >= $event['edited'])
 					continue;
+
 				$exists = true;
 			}
 
@@ -674,15 +755,19 @@ function sync_events($channel,$events) {
 				}
 			}
 			else {
-				create_table_from_array('event',$event);
+				create_table_from_array('event', $event);
 			}
 		}
 	}
 }
 
-
-function import_menus($channel,$menus) {
-
+/**
+ * @brief Import menus.
+ *
+ * @param array $channel
+ * @param array $menus
+ */
+function import_menus($channel, $menus) {
 
 	if($channel && $menus) {
 		foreach($menus as $menu) {
@@ -701,7 +786,6 @@ function import_menus($channel,$menus) {
 					$m['menu_flags'] |= MENU_BOOKMARK;
 				if(in_array('system',$menu['flags']))
 					$m['menu_flags'] |= MENU_SYSTEM;
-
 			}
 
 			$menu_id = menu_create($m);
@@ -729,16 +813,19 @@ function import_menus($channel,$menus) {
 						}
 						menu_add_item($menu_id,$channel['channel_id'],$mitem);
 					}
-				}	
+				}
 			}
 		}
 	}
-
-
 }
 
-
-function sync_menus($channel,$menus) {
+/**
+ * @brief Sync menus.
+ *
+ * @param array $channel
+ * @param array $menus
+ */
+function sync_menus($channel, $menus) {
 
 	if($channel && $menus) {
 		foreach($menus as $menu) {
@@ -795,7 +882,6 @@ function sync_menus($channel,$menus) {
 					foreach($menu['items'] as $it) {
 						$mitem = array();
 
-
 						$mitem['mitem_link'] = str_replace('[channelurl]',z_root() . '/channel/' . $channel['channel_address'],$it['link']);
 						$mitem['mitem_link'] = str_replace('[pageurl]',z_root() . '/page/' . $channel['channel_address'],$it['link']);
 						$mitem['mitem_link'] = str_replace('[cloudurl]',z_root() . '/cloud/' . $channel['channel_address'],$it['link']);
@@ -814,15 +900,19 @@ function sync_menus($channel,$menus) {
 						}
 						menu_add_item($menu_id,$channel['channel_id'],$mitem);
 					}
-				}	
+				}
 			}
 		}
 	}
 }
 
-
-
-function import_likes($channel,$likes) {
+/**
+ * @brief Import likes.
+ *
+ * @param array $channel
+ * @param array $likes
+ */
+function import_likes($channel, $likes) {
 	if($channel && $likes) {
 		foreach($likes as $like) {
 			if($like['deleted']) {
@@ -835,7 +925,7 @@ function import_likes($channel,$likes) {
 				);
 				continue;
 			}
-			
+
 			unset($like['id']);
 			unset($like['iid']);
 			$like['channel_id'] = $channel['channel_id'];
@@ -850,9 +940,9 @@ function import_likes($channel,$likes) {
 			if($r)
 				continue;
 
-			create_table_from_array('likes',$like);
+			create_table_from_array('likes', $like);
 		}
-	}	
+	}
 }
 
 function import_conv($channel,$convs) {
@@ -865,7 +955,7 @@ function import_conv($channel,$convs) {
 				);
 				continue;
 			}
-			
+
 			unset($conv['id']);
 
 			$conv['uid'] = $channel['channel_id'];
@@ -877,14 +967,19 @@ function import_conv($channel,$convs) {
 			);
 			if($r)
 				continue;
+
 			create_table_from_array('conv',$conv);
 		}
-	}	
+	}
 }
 
-
-
-function import_mail($channel,$mails,$sync = false) {
+/**
+ * @brief Import mails.
+ *
+ * @param array $channel
+ * @param array $mails
+ */
+function import_mail($channel, $mails, $sync = false) {
 	if($channel && $mails) {
 		foreach($mails as $mail) {
 			if(array_key_exists('flags',$mail) && in_array('deleted',$mail['flags'])) {
@@ -913,14 +1008,27 @@ function import_mail($channel,$mails,$sync = false) {
 				Zotlabs\Daemon\Master::Summon(array('Notifier','single_mail',$mail_id));
 			}
  		}
-	}	
+	}
 }
 
-function sync_mail($channel,$mails) {
-	import_mail($channel,$mails,true);
+/**
+ * @brief Synchronise mails.
+ *
+ * @see import_mail
+ * @param array $channel
+ * @param array $mails
+ */
+function sync_mail($channel, $mails) {
+	import_mail($channel, $mails, true);
 }
 
-function sync_files($channel,$files) {
+/**
+ * @brief Synchronise files.
+ *
+ * @param array $channel
+ * @param array $files
+ */
+function sync_files($channel, $files) {
 
 	require_once('include/attach.php');
 
@@ -934,7 +1042,7 @@ function sync_files($channel,$files) {
 			$original_channel = $f['original_channel'];
 
 			if(! ($fetch_url && $original_channel))
-				continue;		
+				continue;
 
 			if($f['attach']) {
 				$attachment_stored = false;
@@ -964,12 +1072,11 @@ function sync_files($channel,$files) {
 					$att['aid'] = $channel['channel_account_id'];
 					$att['uid'] = $channel['channel_id'];
 
-
-					// check for duplicate folder names with the same parent. 
+					// check for duplicate folder names with the same parent.
 					// If we have a duplicate that doesn't match this hash value
-					// change the name so that the contents won't be "covered over" 
-					// by the existing directory. Use the same logic we use for 
-					// duplicate files. 
+					// change the name so that the contents won't be "covered over"
+					// by the existing directory. Use the same logic we use for
+					// duplicate files.
 
 					if(strpos($att['filename'],'.') !== false) {
 						$basename = substr($att['filename'],0,strrpos($att['filename'],'.'));
@@ -1000,7 +1107,7 @@ function sync_files($channel,$files) {
 							}
 							if($found)
 								$x++;
-						}			
+						}
 						while($found);
 						$att['filename'] = $basename . '(' . $x . ')' . $ext;
 					}
@@ -1009,30 +1116,31 @@ function sync_files($channel,$files) {
 
 					// end duplicate detection
 
-// @fixme - update attachment structures if they are modified rather than created
+					/// @FIXME update attachment structures if they are modified rather than created
 
 					$att['content'] = $newfname;
 
 					// Note: we use $att['hash'] below after it has been escaped to
-					// fetch the file contents. 
+					// fetch the file contents.
 					// If the hash ever contains any escapable chars this could cause
-					// problems. Currently it does not. 
+					// problems. Currently it does not.
 
-					// @TODO implement os_path
+					/// @TODO implement os_path
 					if(!isset($att['os_path']))
 						$att['os_path'] = '';
 
-
 					if($attach_exists) {
 						logger('sync_files attach exists: ' . print_r($att,true), LOGGER_DEBUG);
 						if(! dbesc_array($att))
 							continue;
+
 						$str = '';
-    					foreach($att as $k => $v) {
-			        		if($str)
-           							$str .= ",";
-       						$str .= " " . TQUOT . $k . TQUOT . " = '" . $v . "' ";
-    					}
+						foreach($att as $k => $v) {
+							if($str)
+								$str .= ",";
+
+							$str .= " " . TQUOT . $k . TQUOT . " = '" . $v . "' ";
+						}
 						$r = dbq("update attach set " . $str . " where id = " . intval($attach_id) );
 					}
 					else {
@@ -1040,7 +1148,6 @@ function sync_files($channel,$files) {
 						create_table_from_array('attach',$att);
 					}
 
-
 					// is this a directory?
 
 					if($att['filetype'] === 'multipart/mixed' && $att['is_dir']) {
@@ -1049,17 +1156,16 @@ function sync_files($channel,$files) {
 						continue;
 					}
 					else {
-
 						// it's a file
 						// for the sync version of this algorithm (as opposed to 'offline import')
-						// we will fetch the actual file from the source server so it can be 
+						// we will fetch the actual file from the source server so it can be
 						// streamed directly to disk and avoid consuming PHP memory if it's a huge
-						// audio/video file or something. 
+						// audio/video file or something.
 
 						$time = datetime_convert();
 
-						$parr = array('hash' => $channel['channel_hash'], 
-							'time' => $time, 
+						$parr = array('hash' => $channel['channel_hash'],
+							'time' => $time,
 							'resource' => $att['hash'],
 							'revision' => 0,
 							'signature' => base64url_encode(rsa_sign($channel['channel_hash'] . '.' . $time, $channel['channel_prvkey']))
@@ -1084,7 +1190,7 @@ function sync_files($channel,$files) {
 				}
 			}
 			if(! $attachment_stored) {
-				// @TODO should we queue this and retry or delete everything or what? 
+				/// @TODO should we queue this and retry or delete everything or what?
 				logger('attachment store failed',LOGGER_NORMAL,LOG_ERR);
 			}
 			if($f['photo']) {
@@ -1128,7 +1234,6 @@ function sync_files($channel,$files) {
 					else
 						$p['content'] = base64_decode($p['content']);
 
-
 					if(!isset($p['display_path']))
 						$p['display_path'] = '';
 
@@ -1138,17 +1243,18 @@ function sync_files($channel,$files) {
 						intval($channel['channel_id'])
 					);
 
-
 					if($exists) {
 						if(! dbesc_array($p))
 							continue;
-					    $str = '';
-    					foreach($p as $k => $v) {
-				        	if($str)
-            					$str .= ",";
-        					$str .= " " . TQUOT . $k . TQUOT . " = '" . $v . "' ";
-    					}
-					    $r = dbq("update photo set " . $str . " where id = " . intval($exists[0]['id']) );
+
+						$str = '';
+						foreach($p as $k => $v) {
+							if($str)
+								$str .= ",";
+
+							$str .= " " . TQUOT . $k . TQUOT . " = '" . $v . "' ";
+						}
+						$r = dbq("update photo set " . $str . " where id = " . intval($exists[0]['id']) );
 					}
 					else {
 						create_attach_from_array('photo',$p);
@@ -1164,9 +1270,17 @@ function sync_files($channel,$files) {
 	}
 }
 
-
-function convert_oldfields(&$arr,$old,$new) {
-	if(array_key_exists($old,$arr)) {
+/**
+ * @brief Rename a key in an array.
+ *
+ * Replaces $old key with $new key in $arr.
+ *
+ * @param array[in,out] $arr The array where to work on
+ * @param string $old The old key in the array
+ * @param string $new The new key in the array
+ */
+function convert_oldfields(&$arr, $old, $new) {
+	if(array_key_exists($old, $arr)) {
 		$arr[$new] = $arr[$old];
 		unset($arr[$old]);
 	}
@@ -1240,14 +1354,15 @@ function scan_webpage_elements($path, $type, $cloud = false) {
 			}
 		}
 	}
+
 	return $elements;
 }
-	
+
 
 function import_webpage_element($element, $channel, $type) {
-		
+
 	$arr = array();		// construct information for the webpage element item table record
-		
+
 	switch($type) {
 		//
 		//	PAGES
@@ -1256,26 +1371,26 @@ function import_webpage_element($element, $channel, $type) {
 			$arr['item_type'] = ITEM_TYPE_WEBPAGE;
 			$namespace = 'WEBPAGE';
 			$name = $element['pagelink'];
-        	if($name) {
+			if($name) {
 				require_once('library/urlify/URLify.php');
 				$name = strtolower(\URLify::transliterate($name));
-        	}
+			}
 			$arr['title'] = $element['title'];
 			$arr['term'] = $element['term'];
 			$arr['layout_mid'] = ''; // by default there is no layout associated with the page
 			// If a layout was specified, find it in the database and get its info. If
-	        // it does not exist, leave layout_mid empty
-    	    if($element['layout'] !== '') {
-        	    $liid = q("select iid from iconfig where k = 'PDL' and v = '%s' and cat = 'system'",
+			// it does not exist, leave layout_mid empty
+			if($element['layout'] !== '') {
+				$liid = q("select iid from iconfig where k = 'PDL' and v = '%s' and cat = 'system'",
 					dbesc($element['layout'])
-            	);
+				);
 				if($liid) {
-                	$linfo = q("select mid from item where id = %d",
+					$linfo = q("select mid from item where id = %d",
 						intval($liid[0]['iid'])
-	                );
-    	            $arr['layout_mid'] = $linfo[0]['mid'];
-        	    }                 
-        	}
+					);
+					$arr['layout_mid'] = $linfo[0]['mid'];
+				}
+			}
 			break;
 		//
 		//	LAYOUTS
@@ -1295,15 +1410,15 @@ function import_webpage_element($element, $channel, $type) {
 			$namespace = 'BUILDBLOCK';
 			$name = $element['name'];
 			$arr['title'] = $element['title'];
-				
+
 			break;
 		default :
 			return null;	// return null if invalid element type
 	}
-		
+
 	$arr['uid'] = local_channel();
 	$arr['aid'] = $channel['channel_account_id'];
-		
+
 	// Check if an item already exists based on the name
 	$iid = q("select iid from iconfig where k = '" . $namespace . "' and v = '%s' and cat = 'system'",
 		dbesc($name)
@@ -1333,7 +1448,7 @@ function import_webpage_element($element, $channel, $type) {
 		'text/markdown',
 		'text/plain',
 		'application/x-pdl',
-		'application/x-php'	
+		'application/x-php'
 	];
 	// Blocks and pages can have any of the valid mimetypes, but layouts must be text/bbcode
 	if((in_array($element['mimetype'], $mimetypes))	&& ($type === 'page' || $type === 'block') ) {
@@ -1347,14 +1462,13 @@ function import_webpage_element($element, $channel, $type) {
 
 	$execflag = channel_codeallowed(local_channel());
 
-	$i = q("select id, edited, item_deleted from item where mid = '%s' and uid = %d limit 1", 
-		dbesc($arr['mid']), 
+	$i = q("select id, edited, item_deleted from item where mid = '%s' and uid = %d limit 1",
+		dbesc($arr['mid']),
 		intval(local_channel())
 	);
-	
-	\Zotlabs\Lib\IConfig::Set($arr,'system',$namespace,(($name) ? $name : substr($arr['mid'],0,16)),true);
-	
-	
+
+	IConfig::Set($arr,'system',$namespace,(($name) ? $name : substr($arr['mid'],0,16)),true);
+
 	if($i) {
 		$arr['id'] = $i[0]['id'];
 		// don't update if it has the same timestamp as the original
@@ -1372,23 +1486,23 @@ function import_webpage_element($element, $channel, $type) {
 		else
 			$x = item_store($arr,$execflag);
 	}
-	
+
 	if($x && $x['success']) {
-		$item_id = $x['item_id'];
+		//$item_id = $x['item_id'];
 		//update_remote_id($channel, $item_id, $arr['item_type'], $name, $namespace, $remote_id, $arr['mid']);
 		$element['import_success'] = 1;
 	}
 	else {
 		$element['import_success'] = 0;
 	}
-		
-	return $element;    
+
+	return $element;
 }
 
 function get_webpage_elements($channel, $type = 'all') {
 	$elements = array();
-	if(!$channel['channel_id'])	{
-			return null;
+	if(!$channel['channel_id']) {
+		return null;
 	}
 	switch($type) {
 		case 'all':
@@ -1396,17 +1510,16 @@ function get_webpage_elements($channel, $type = 'all') {
 		case 'pages':
 			$elements['pages'] = null;
 			$owner = $channel['channel_id'];
-							
-			$sql_extra = item_permissions_sql($owner);
 
+			$sql_extra = item_permissions_sql($owner);
 
-			$r = q("select * from iconfig left join item on iconfig.iid = item.id 
-				where item.uid = %d and iconfig.cat = 'system' and iconfig.k = 'WEBPAGE' and item_type = %d 
+			$r = q("select * from iconfig left join item on iconfig.iid = item.id
+				where item.uid = %d and iconfig.cat = 'system' and iconfig.k = 'WEBPAGE' and item_type = %d
 				$sql_extra order by item.created desc",
 				intval($owner),
 				intval(ITEM_TYPE_WEBPAGE)
 			);
-						
+
 			$pages = null;
 
 			if($r) {
@@ -1439,7 +1552,6 @@ function get_webpage_elements($channel, $type = 'all') {
 					);
 					$elements['pages'][] = $element_arr;
 				}
-							
 			}
 			if($type !== 'all') {
 				break;
@@ -1448,91 +1560,91 @@ function get_webpage_elements($channel, $type = 'all') {
 		case 'layouts':
 			$elements['layouts'] = null;
 			$owner = $channel['channel_id'];
-							
-			$sql_extra = item_permissions_sql($owner);
 
+			$sql_extra = item_permissions_sql($owner);
 
-			$r = q("select * from iconfig left join item on iconfig.iid = item.id 
-				where item.uid = %d and iconfig.cat = 'system' and iconfig.k = 'PDL' and item_type = %d 
+			$r = q("select * from iconfig left join item on iconfig.iid = item.id
+				where item.uid = %d and iconfig.cat = 'system' and iconfig.k = 'PDL' and item_type = %d
 				$sql_extra order by item.created desc",
 				intval($owner),
 				intval(ITEM_TYPE_PDL)
 			);
-						
-			$layouts = null;
 
 			if($r) {
 				$elements['layouts'] = array();
-				$layouts = array();
+
 				foreach($r as $rr) {
 					unobscure($rr);
 
 					$elements['layouts'][] = array(
-						'type'		=> 'layout',
-						'description'		=> $rr['title'],		// description of the layout
-						'body'		=> $rr['body'],
-						'created'	=> $rr['created'],
-						'edited'	=> $rr['edited'],
-						'mimetype'	=> $rr['mimetype'],
-						'name'	=> $rr['v'],					// name of reference for the layout
-						'mid'		=> $rr['mid'],
+						'type'        => 'layout',
+						'description' => $rr['title'],		// description of the layout
+						'body'        => $rr['body'],
+						'created'     => $rr['created'],
+						'edited'      => $rr['edited'],
+						'mimetype'    => $rr['mimetype'],
+						'name'        => $rr['v'],			// name of reference for the layout
+						'mid'         => $rr['mid'],
 					);
 				}
 			}
-						
+
 			if($type !== 'all') {
 				break;
 			}
-						
+
 		case 'blocks':
 			$elements['blocks'] = null;
 			$owner = $channel['channel_id'];
-							
-			$sql_extra = item_permissions_sql($owner);
 
+			$sql_extra = item_permissions_sql($owner);
 
-			$r = q("select iconfig.iid, iconfig.k, iconfig.v, mid, title, body, mimetype, created, edited from iconfig 
+			$r = q("select iconfig.iid, iconfig.k, iconfig.v, mid, title, body, mimetype, created, edited from iconfig
 				left join item on iconfig.iid = item.id
-				where uid = %d and iconfig.cat = 'system' and iconfig.k = 'BUILDBLOCK' 
+				where uid = %d and iconfig.cat = 'system' and iconfig.k = 'BUILDBLOCK'
 				and item_type = %d order by item.created desc",
 				intval($owner),
 				intval(ITEM_TYPE_BLOCK)
 			);
-						
-			$blocks = null;
 
 			if($r) {
 				$elements['blocks'] = array();
-				$blocks = array();
+
 				foreach($r as $rr) {
 					unobscure($rr);
 
 					$elements['blocks'][] = array(
 						'type'      => 'block',
-						'title'	    => $rr['title'],
+						'title'     => $rr['title'],
 						'body'      => $rr['body'],
 						'created'   => $rr['created'],
 						'edited'    => $rr['edited'],
 						'mimetype'  => $rr['mimetype'],
-						'name'			=> $rr['v'],
+						'name'      => $rr['v'],
 						'mid'       => $rr['mid']
 					);
 				}
-							
 			}
-						
+
 			if($type !== 'all') {
 				break;
 			}
-						
+
 		default:
 			break;
 	}
+
 	return $elements;
 }
 
-/* creates a compressed zip file */
-
+/**
+ * @brief Create a compressed zip file.
+ *
+ * @param array $files List of files to put in zip file
+ * @param string $destination
+ * @param boolean $overwrite
+ * @return boolean Success status
+ */
 function create_zip_file($files = array(), $destination = '', $overwrite = false) {
 	// if the zip file already exists and overwrite is false, return false
 	if(file_exists($destination) && !$overwrite) {
@@ -1549,13 +1661,13 @@ function create_zip_file($files = array(), $destination = '', $overwrite = false
 				$valid_files[] = $file;
 			}
 		}
-	} 		
+	}
 
 	// if we have good files...
 	if(count($valid_files)) {
 		//create the archive
 		$zip = new ZipArchive();
-		if($zip->open($destination, $overwrite ? ZIPARCHIVE::OVERWRITE : ZIPARCHIVE::CREATE) !== true) {
+		if($zip->open($destination, $overwrite ? ZipArchive::OVERWRITE : ZipArchive::CREATE) !== true) {
 			return false;
 		}
 		// add the files
@@ -1569,7 +1681,7 @@ function create_zip_file($files = array(), $destination = '', $overwrite = false
 
 		// check to make sure the file exists
 		return file_exists($destination);
-	} 
+	}
 	else {
 		return false;
 	}
diff --git a/include/text.php b/include/text.php
index 0a2073272..fa9dadc31 100644
--- a/include/text.php
+++ b/include/text.php
@@ -3050,7 +3050,15 @@ function array2XML($obj, $array) {
 	}
 }
 
-
+/**
+ * @brief Inserts an array into $table.
+ *
+ * @TODO Why is this function in include/text.php?
+ *
+ * @param string $table
+ * @param array $arr
+ * @return boolean|PDOStatement
+ */
 function create_table_from_array($table, $arr) {
 
 	if(! ($arr && $table))