diff --git a/mod/contacts.php b/mod/contacts.php
index 3421babf6..c58dc0fc4 100644
--- a/mod/contacts.php
+++ b/mod/contacts.php
@@ -35,8 +35,9 @@ function contacts_init(App $a) {
 
 	require_once 'include/contact_widgets.php';
 
-	if ($_GET['nets'] == "all") {
-		$_GET['nets'] = "";
+	$nets = defaults($_GET, 'nets', '');
+	if ($nets == "all") {
+		$nets = "";
 	}
 
 	if (! x($a->page,'aside')) {
@@ -63,22 +64,22 @@ function contacts_init(App $a) {
 			'$account_type' => Contact::getAccountType($a->data['contact'])
 		));
 
-		$finpeople_widget = '';
+		$findpeople_widget = '';
 		$follow_widget = '';
 		$networks_widget = '';
 	} else {
 		$vcard_widget = '';
-		$networks_widget .= networks_widget('contacts',$_GET['nets']);
+		$networks_widget = networks_widget('contacts', $nets);
 		if (isset($_GET['add'])) {
 			$follow_widget = follow_widget($_GET['add']);
 		} else {
 			$follow_widget = follow_widget();
 		}
 
-		$findpeople_widget .= findpeople_widget();
+		$findpeople_widget = findpeople_widget();
 	}
 
-	$groups_widget .= Group::sidebarWidget('contacts','group','full',0,$contact_id);
+	$groups_widget = Group::sidebarWidget('contacts','group','full',0,$contact_id);
 
 	$a->page['aside'] .= replace_macros(get_markup_template("contacts-widget-sidebar.tpl"),array(
 		'$vcard_widget' => $vcard_widget,
@@ -515,8 +516,6 @@ function contacts_content(App $a) {
 
 		require_once 'include/contact_selectors.php';
 
-		$tpl = get_markup_template("contact_edit.tpl");
-
 		switch($contact['rel']) {
 			case CONTACT_IS_FRIEND:
 				$dir_icon = 'images/lrarrow.gif';
@@ -577,6 +576,7 @@ function contacts_content(App $a) {
 
 		$lost_contact = (($contact['archive'] && $contact['term-date'] > NULL_DATE && $contact['term-date'] < datetime_convert('','','now')) ? t('Communications lost with this contact!') : '');
 
+		$fetch_further_information = null;
 		if ($contact['network'] == NETWORK_FEED) {
 			$fetch_further_information = array('fetch_further_information',
 							t('Fetch further information for feeds'),
@@ -587,12 +587,19 @@ function contacts_content(App $a) {
 									'3' => t('Fetch keywords'),
 									'2' => t('Fetch information and keywords')));
 		}
-		if (in_array($contact['network'], array(NETWORK_FEED, NETWORK_MAIL)))
+
+		$poll_interval = null;
+		if (in_array($contact['network'], array(NETWORK_FEED, NETWORK_MAIL))) {
 			$poll_interval = contact_poll_interval($contact['priority'],(! $poll_enabled));
+		}
 
-		if ($contact['network'] == NETWORK_DFRN)
+		$profile_select = null;
+		if ($contact['network'] == NETWORK_DFRN) {
 			$profile_select = contact_profile_assign($contact['profile-id'],(($contact['network'] !== NETWORK_DFRN) ? true : false));
+		}
 
+		$follow = '';
+		$follow_text = '';
 		if (in_array($contact['network'], array(NETWORK_DIASPORA, NETWORK_OSTATUS))) {
 			if ($contact['rel'] == CONTACT_IS_FOLLOWER) {
 				$follow = System::baseUrl(true)."/follow?url=".urlencode($contact["url"]);
@@ -606,7 +613,7 @@ function contacts_content(App $a) {
 		// Load contactact related actions like hide, suggest, delete and others
 		$contact_actions = contact_actions($contact);
 
-
+		$tpl = get_markup_template("contact_edit.tpl");
 		$o .= replace_macros($tpl, array(
 			//'$header' => t('Contact Editor'),
 			'$header' => t("Contact"),
@@ -618,9 +625,7 @@ function contacts_content(App $a) {
 			'$lbl_info2' => t('Their personal note'),
 			'$reason' => trim(notags($contact['reason'])),
 			'$infedit' => t('Edit contact notes'),
-			'$common_text' => $common_text,
 			'$common_link' => 'common/loc/' . local_user() . '/' . $contact['id'],
-			'$all_friends' => $all_friends,
 			'$relation_text' => $relation_text,
 			'$visit' => sprintf( t('Visit %s\'s profile [%s]'),$contact['name'],$contact['url']),
 			'$blockunblock' => t('Block/Unblock contact'),
@@ -658,7 +663,6 @@ function contacts_content(App $a) {
 			'$photo' => $contact['photo'],
 			'$name' => htmlentities($contact['name']),
 			'$dir_icon' => $dir_icon,
-			'$alt_text' => $alt_text,
 			'$sparkle' => $sparkle,
 			'$url' => $url,
 			'$profileurllabel' => t('Profile URL'),
@@ -688,36 +692,33 @@ function contacts_content(App $a) {
 
 	}
 
-	$blocked = false;
-	$hidden = false;
-	$ignored = false;
-	$all = false;
+	$blocked  = false;
+	$hidden   = false;
+	$ignored  = false;
+	$archived = false;
+	$all      = false;
 
 	if(($a->argc == 2) && ($a->argv[1] === 'all')) {
 		$sql_extra = '';
 		$all = true;
-	}
-	elseif(($a->argc == 2) && ($a->argv[1] === 'blocked')) {
+	} elseif(($a->argc == 2) && ($a->argv[1] === 'blocked')) {
 		$sql_extra = " AND `blocked` = 1 ";
 		$blocked = true;
-	}
-	elseif(($a->argc == 2) && ($a->argv[1] === 'hidden')) {
+	} elseif(($a->argc == 2) && ($a->argv[1] === 'hidden')) {
 		$sql_extra = " AND `hidden` = 1 ";
 		$hidden = true;
-	}
-	elseif(($a->argc == 2) && ($a->argv[1] === 'ignored')) {
+	} elseif(($a->argc == 2) && ($a->argv[1] === 'ignored')) {
 		$sql_extra = " AND `readonly` = 1 ";
 		$ignored = true;
-	}
-	elseif(($a->argc == 2) && ($a->argv[1] === 'archived')) {
+	} elseif(($a->argc == 2) && ($a->argv[1] === 'archived')) {
 		$sql_extra = " AND `archive` = 1 ";
 		$archived = true;
-	}
-	else
+	} else {
 		$sql_extra = " AND `blocked` = 0 ";
+	}
 
-	$search = ((x($_GET,'search')) ? notags(trim($_GET['search'])) : '');
-	$nets = ((x($_GET,'nets')) ? notags(trim($_GET['nets'])) : '');
+	$search = x($_GET, 'search') ? notags(trim($_GET['search'])) : '';
+	$nets = x($_GET, 'nets') ? notags(trim($_GET['nets'])) : '';
 
 	$tabs = array(
 		array(
@@ -786,25 +787,25 @@ function contacts_content(App $a) {
 	$tab_tpl = get_markup_template('common_tabs.tpl');
 	$t = replace_macros($tab_tpl, array('$tabs'=>$tabs));
 
-
-
 	$searching = false;
-	if($search) {
+	$search_hdr = null;
+	if ($search) {
 		$search_hdr = $search;
 		$search_txt = dbesc(protect_sprintf(preg_quote($search)));
 		$searching = true;
 	}
 	$sql_extra .= (($searching) ? " AND (name REGEXP '$search_txt' OR url REGEXP '$search_txt'  OR nick REGEXP '$search_txt') " : "");
 
-	if($nets)
+	if ($nets) {
 		$sql_extra .= sprintf(" AND network = '%s' ", dbesc($nets));
+	}
 
 	$sql_extra2 = ((($sort_type > 0) && ($sort_type <= CONTACT_IS_FRIEND)) ? sprintf(" AND `rel` = %d ",intval($sort_type)) : '');
 
-
 	$r = q("SELECT COUNT(*) AS `total` FROM `contact`
 		WHERE `uid` = %d AND `self` = 0 AND `pending` = 0 $sql_extra $sql_extra2 ",
-		intval($_SESSION['uid']));
+		intval($_SESSION['uid'])
+	);
 	if (DBM::is_result($r)) {
 		$a->set_pager_total($r[0]['total']);
 		$total = $r[0]['total'];
@@ -834,7 +835,7 @@ function contacts_content(App $a) {
 		'$total' => $total,
 		'$search' => $search_hdr,
 		'$desc' => t('Search your contacts'),
-		'$finding' => (($searching) ? sprintf(t('Results for: %s'),$search) : ""),
+		'$finding' => $searching ? t('Results for: %s', $search) : "",
 		'$submit' => t('Find'),
 		'$cmd' => $a->cmd,
 		'$contacts' => $contacts,
@@ -849,7 +850,6 @@ function contacts_content(App $a) {
 		),
 		'$h_batch_actions' => t('Batch Actions'),
 		'$paginate' => paginate($a),
-
 	));
 
 	return $o;
@@ -927,12 +927,11 @@ function contact_posts($a, $contact_id) {
 		$contact = $r[0];
 		$a->page['aside'] = "";
 		profile_load($a, "", 0, Contact::getDetailsByURL($contact["url"]));
-	} else
-		$profile = "";
+	}
 
 	$tab_str = contacts_tab($a, $contact_id, 1);
 
-	$o .= $tab_str;
+	$o = $tab_str;
 
 	$o .= Contact::getPostsFromUrl($contact["url"]);
 
diff --git a/mod/crepair.php b/mod/crepair.php
index 32db9be92..1a135a602 100644
--- a/mod/crepair.php
+++ b/mod/crepair.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * @file mod/crepair.php
  */
@@ -10,65 +11,68 @@ use Friendica\Model\Contact;
 require_once 'include/contact_selectors.php';
 require_once 'mod/contacts.php';
 
-function crepair_init(App $a) {
-	if (! local_user()) {
+function crepair_init(App $a)
+{
+	if (!local_user()) {
 		return;
 	}
 
 	$contact_id = 0;
 
-	if(($a->argc == 2) && intval($a->argv[1])) {
+	if (($a->argc == 2) && intval($a->argv[1])) {
 		$contact_id = intval($a->argv[1]);
 		$r = q("SELECT * FROM `contact` WHERE `uid` = %d and `id` = %d LIMIT 1",
 			intval(local_user()),
 			intval($contact_id)
 		);
-		if (! DBM::is_result($r)) {
+		if (!DBM::is_result($r)) {
 			$contact_id = 0;
 		}
 	}
 
-	if(! x($a->page,'aside'))
+	if (!x($a->page, 'aside')) {
 		$a->page['aside'] = '';
+	}
 
-	if($contact_id) {
+	if ($contact_id) {
 		$a->data['contact'] = $r[0];
 		$contact = $r[0];
 		profile_load($a, "", 0, Contact::getDetailsByURL($contact["url"]));
 	}
 }
 
-function crepair_post(App $a) {
-	if (! local_user()) {
+function crepair_post(App $a)
+{
+	if (!local_user()) {
 		return;
 	}
 
 	$cid = (($a->argc > 1) ? intval($a->argv[1]) : 0);
 
-	if($cid) {
+	if ($cid) {
 		$r = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
 			intval($cid),
 			intval(local_user())
 		);
 	}
 
-	if (! DBM::is_result($r)) {
+	if (!DBM::is_result($r)) {
 		return;
 	}
 
 	$contact = $r[0];
 
-	$name    = ((x($_POST,'name')) ? $_POST['name'] : $contact['name']);
-	$nick    = ((x($_POST,'nick')) ? $_POST['nick'] : '');
-	$url     = ((x($_POST,'url')) ? $_POST['url'] : '');
-	$request = ((x($_POST,'request')) ? $_POST['request'] : '');
-	$confirm = ((x($_POST,'confirm')) ? $_POST['confirm'] : '');
-	$notify  = ((x($_POST,'notify')) ? $_POST['notify'] : '');
-	$poll    = ((x($_POST,'poll')) ? $_POST['poll'] : '');
-	$attag   = ((x($_POST,'attag')) ? $_POST['attag'] : '');
-	$photo   = ((x($_POST,'photo')) ? $_POST['photo'] : '');
-	$remote_self = ((x($_POST,'remote_self')) ? $_POST['remote_self'] : false);
-	$nurl    = normalise_link($url);
+	$name        = defaults($_POST, 'name'       , $contact['name']);
+	$nick        = defaults($_POST, 'nick'       , '');
+	$url         = defaults($_POST, 'url'        , '');
+	$request     = defaults($_POST, 'request'    , '');
+	$confirm     = defaults($_POST, 'confirm'    , '');
+	$notify      = defaults($_POST, 'notify'     , '');
+	$poll        = defaults($_POST, 'poll'       , '');
+	$attag       = defaults($_POST, 'attag'      , '');
+	$photo       = defaults($_POST, 'photo'      , '');
+	$remote_self = defaults($_POST, 'remote_self', false);
+	$nurl        = normalise_link($url);
 
 	$r = q("UPDATE `contact` SET `name` = '%s', `nick` = '%s', `url` = '%s', `nurl` = '%s', `request` = '%s', `confirm` = '%s', `notify` = '%s', `poll` = '%s', `attag` = '%s' , `remote_self` = %d
 		WHERE `id` = %d AND `uid` = %d",
@@ -101,26 +105,24 @@ function crepair_post(App $a) {
 	return;
 }
 
-
-
-function crepair_content(App $a) {
-
-	if (! local_user()) {
-		notice( t('Permission denied.') . EOL);
+function crepair_content(App $a)
+{
+	if (!local_user()) {
+		notice(t('Permission denied.') . EOL);
 		return;
 	}
 
 	$cid = (($a->argc > 1) ? intval($a->argv[1]) : 0);
 
-	if($cid) {
+	if ($cid) {
 		$r = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
 			intval($cid),
 			intval(local_user())
 		);
 	}
 
-	if (! DBM::is_result($r)) {
-		notice( t('Contact not found.') . EOL);
+	if (!DBM::is_result($r)) {
+		notice(t('Contact not found.') . EOL);
 		return;
 	}
 
@@ -131,45 +133,44 @@ function crepair_content(App $a) {
 
 	$returnaddr = "contacts/$cid";
 
-	$allow_remote_self = Config::get('system','allow_users_remote_self');
+	$allow_remote_self = Config::get('system', 'allow_users_remote_self');
 
 	// Disable remote self for everything except feeds.
 	// There is an issue when you repeat an item from maybe twitter and you got comments from friendica and twitter
 	// Problem is, you couldn't reply to both networks.
-	if (!in_array($contact['network'], array(NETWORK_FEED, NETWORK_DFRN, NETWORK_DIASPORA)))
+	if (!in_array($contact['network'], array(NETWORK_FEED, NETWORK_DFRN, NETWORK_DIASPORA))) {
 		$allow_remote_self = false;
+	}
 
-	if ($contact['network'] == NETWORK_FEED)
-		$remote_self_options = array('0'=>t('No mirroring'), '1'=>t('Mirror as forwarded posting'), '2'=>t('Mirror as my own posting'));
-	else
-		$remote_self_options = array('0'=>t('No mirroring'), '2'=>t('Mirror as my own posting'));
+	if ($contact['network'] == NETWORK_FEED) {
+		$remote_self_options = array('0' => t('No mirroring'), '1' => t('Mirror as forwarded posting'), '2' => t('Mirror as my own posting'));
+	} else {
+		$remote_self_options = array('0' => t('No mirroring'), '2' => t('Mirror as my own posting'));
+	}
 
-	$update_profile = in_array($contact['network'], array(NETWORK_DFRN, NETWORK_DSPR, NETWORK_OSTATUS));
+	$update_profile = in_array($contact['network'], array(NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS));
 
 	$tab_str = contacts_tab($a, $contact['id'], 5);
 
-
 	$tpl = get_markup_template('crepair.tpl');
-	$o .= replace_macros($tpl, array(
-		//'$title'	=> t('Repair Contact Settings'),
-		'$tab_str'	=> $tab_str,
-		'$warning'	=> $warning,
-		'$info'		=> $info,
-		'$returnaddr'	=> $returnaddr,
-		'$return'	=> t('Return to contact editor'),
-		'$update_profile' => update_profile,
-		'$udprofilenow' => t('Refetch contact data'),
-		'$contact_id'	=> $contact['id'],
-		'$lbl_submit'	=> t('Submit'),
-
+	$o = replace_macros($tpl, array(
+		'$tab_str'        => $tab_str,
+		'$warning'        => $warning,
+		'$info'           => $info,
+		'$returnaddr'     => $returnaddr,
+		'$return'         => t('Return to contact editor'),
+		'$update_profile' => $update_profile,
+		'$udprofilenow'   => t('Refetch contact data'),
+		'$contact_id'     => $contact['id'],
+		'$lbl_submit'     => t('Submit'),
 		'$label_remote_self' => t('Remote Self'),
 		'$allow_remote_self' => $allow_remote_self,
 		'$remote_self' => array('remote_self',
-					t('Mirror postings from this contact'),
-					$contact['remote_self'],
-					t('Mark this contact as remote_self, this will cause friendica to repost new entries from this contact.'),
-					$remote_self_options
-				),
+			t('Mirror postings from this contact'),
+			$contact['remote_self'],
+			t('Mark this contact as remote_self, this will cause friendica to repost new entries from this contact.'),
+			$remote_self_options
+		),
 
 		'$name'		=> array('name', t('Name') , htmlentities($contact['name'])),
 		'$nick'		=> array('nick', t('Account Nickname'), htmlentities($contact['nick'])),
@@ -183,5 +184,4 @@ function crepair_content(App $a) {
 	));
 
 	return $o;
-
 }
diff --git a/mod/hovercard.php b/mod/hovercard.php
index 8ad5cd0eb..29dfd2689 100644
--- a/mod/hovercard.php
+++ b/mod/hovercard.php
@@ -7,90 +7,87 @@
  * Author: Rabuzarus <https://github.com/rabuzarus>
  * License: GNU AFFERO GENERAL PUBLIC LICENSE (Version 3)
  */
-
 use Friendica\App;
 use Friendica\Core\Config;
 use Friendica\Model\Contact;
 use Friendica\Model\GContact;
 
-function hovercard_init(App $a) {
+function hovercard_init(App $a)
+{
 	// Just for testing purposes
-	$_GET["mode"] = "minimal";
+	$_GET['mode'] = 'minimal';
 }
 
-function hovercard_content() {
-	$profileurl	=	(x($_REQUEST,'profileurl')	? $_REQUEST['profileurl']	: "");
-	$datatype	=	(x($_REQUEST,'datatype')	?$_REQUEST['datatype']		: "json");
+function hovercard_content()
+{
+	$profileurl = defaults($_REQUEST, 'profileurl', '');
+	$datatype   = defaults($_REQUEST, 'datatype'  , 'json');
 
 	// Get out if the system doesn't have public access allowed
-	if(intval(Config::get('system','block_public')))
+	if (intval(Config::get('system', 'block_public'))) {
 		http_status_exit(401);
+	}
 
 	// Return the raw content of the template. We use this to make templates usable for js functions.
 	// Look at hovercard.js (function getHoverCardTemplate()).
-	// This part should be moved in it's own module. Maybe we could make more templates accessabel.
-	// (We need to discuss possible security lacks before doing this)
-	if ($datatype == "tpl") {
-		$templatecontent = get_template_content("hovercard.tpl");
+	// This part should be moved in its own module. Maybe we could make more templates accessible.
+	// (We need to discuss possible security leaks before doing this)
+	if ($datatype == 'tpl') {
+		$templatecontent = get_template_content('hovercard.tpl');
 		echo $templatecontent;
 		killme();
 	}
 
-	// If a contact is connected the url is internally changed to "redir/CID". We need the pure url to search for
+	// If a contact is connected the url is internally changed to 'redir/CID'. We need the pure url to search for
 	// the contact. So we strip out the contact id from the internal url and look in the contact table for
 	// the real url (nurl)
-	if (local_user() && strpos($profileurl, "redir/") === 0) {
+	$cid = 0;
+	if (local_user() && strpos($profileurl, 'redir/') === 0) {
 		$cid = intval(substr($profileurl, 6));
-		$r = dba::select('contact', array('nurl', 'self'), array('id' => $cid), array('limit' => 1));
-		$profileurl = ($r["nurl"] ? $r["nurl"] : "");
-		$self = ($r["self"] ? $r["self"] : "");
+		$r = dba::select('contact', array('nurl'), array('id' => $cid), array('limit' => 1));
+		$profileurl = defaults($r, 'nurl', '');
 	}
 
+	$contact = [];
 	// if it's the url containing https it should be converted to http
 	$nurl = normalise_link(GContact::cleanContactUrl($profileurl));
-	if($nurl) {
+	if ($nurl) {
 		// Search for contact data
 		$contact = Contact::getDetailsByURL($nurl);
 	}
-	if(!is_array($contact))
+	if (!count($contact)) {
 		return;
+	}
 
 	// Get the photo_menu - the menu if possible contact actions
-	if(local_user())
+	if (local_user()) {
 		$actions = Contact::photoMenu($contact);
-
+	}
 
 	// Move the contact data to the profile array so we can deliver it to
-	//
 	$profile = array(
-		'name' => $contact["name"],
-		'nick'	=> $contact["nick"],
-		'addr'	=> (($contact["addr"] != "") ? $contact["addr"] : $contact["url"]),
-		'thumb' => proxy_url($contact["thumb"], false, PROXY_SIZE_THUMB),
-		'url' => ($cid ? ("redir/".$cid) : zrl($contact["url"])),
-		'nurl' => $contact["nurl"], // We additionally store the nurl as identifier
-//		'alias' => $contact["alias"],
-		'location' => $contact["location"],
-		'gender' => $contact["gender"],
-		'about' => $contact["about"],
-		'network' => format_network_name($contact["network"], $contact["url"]),
-		'tags' => $contact["keywords"],
-//		'nsfw' => intval($contact["nsfw"]),
-//		'server_url' => $contact["server_url"],
-		'bd' => (($contact["birthday"] <= '0001-01-01') ? "" : $contact["birthday"]),
-//		'generation' => $contact["generation"],
+		'name'     => $contact['name'],
+		'nick'     => $contact['nick'],
+		'addr'     => defaults($contact, 'addr', $contact['url']),
+		'thumb'    => proxy_url($contact['thumb'], false, PROXY_SIZE_THUMB),
+		'url'      => $cid ? ('redir/' . $cid) : zrl($contact['url']),
+		'nurl'     => $contact['nurl'], // We additionally store the nurl as identifier
+		'location' => $contact['location'],
+		'gender'   => $contact['gender'],
+		'about'    => $contact['about'],
+		'network'  => format_network_name($contact['network'], $contact['url']),
+		'tags'     => $contact['keywords'],
+		'bd'       => $contact['birthday'] <= '0001-01-01' ? '' : $contact['birthday'],
 		'account_type' => Contact::getAccountType($contact),
-		'actions' => $actions,
+		'actions'  => $actions,
 	);
-	if($datatype == "html") {
-		$t = get_markup_template("hovercard.tpl");
-
-		$o = replace_macros($t, array(
+	if ($datatype == 'html') {
+		$tpl = get_markup_template('hovercard.tpl');
+		$o = replace_macros($tpl, array(
 			'$profile' => $profile,
 		));
 
 		return $o;
-
 	} else {
 		json_return_and_die($profile);
 	}
@@ -104,15 +101,15 @@ function hovercard_content() {
  *
  * @return string|bool Output the raw content if existent, otherwise false
  */
-function get_template_content($template, $root = "") {
-
+function get_template_content($template, $root = '')
+{
 	// We load the whole template system to get the filename.
 	// Maybe we can do it a little bit smarter if I get time.
 	$t = get_markup_template($template, $root);
 	$filename = $t->filename;
 
 	// Get the content of the template file
-	if(file_exists($filename)) {
+	if (file_exists($filename)) {
 		$content = file_get_contents($filename);
 
 		return $content;