Warnings fixed

include/api.php

@@ -579,7 +579,9 @@ function api_get_user(App $a, $contact_id = null)
 	// $called_api is the API path exploded on / and is expected to have at least 2 elements
 	if (is_null($user) && ($a->argc > (count($called_api) - 1)) && (count($called_api) > 0)) {
 		$argid = count($called_api);
-		list($user, $null) = explode(".", $a->argv[$argid]);
+		if (!empty($a->argv[$argid])) {
+			list($user, $null) = explode(".", $a->argv[$argid]);
+		}
 		if (is_numeric($user)) {
 			$user = dbesc(api_unique_id_to_nurl(intval($user)));
 

mod/display.php

@@ -65,13 +65,13 @@ function display_init(App $a)
 		$item = Item::selectFirstForUser(local_user(), $fields, ['id' => $a->argv[2], 'private' => false, 'uid' => 0]);
 	}
 
-	if (!DBM::is_result($item) || $item['deleted']) {
+	if (!DBM::is_result($item)) {
 		$a->error = 404;
 		notice(L10n::t('Item not found.') . EOL);
 		return;
 	}
 
-	if (strstr($_SERVER['HTTP_ACCEPT'], 'application/atom+xml')) {
+	if (!empty($_SERVER['HTTP_ACCEPT']) && strstr($_SERVER['HTTP_ACCEPT'], 'application/atom+xml')) {
 		logger('Directly serving XML for id '.$item["id"], LOGGER_DEBUG);
 		displayShowFeed($item["id"], false);
 	}
@@ -347,19 +347,20 @@ function display_content(App $a, $update = false, $update_uid = 0)
 		Item::update(['unseen' => false], $condition);
 	}
 
-	$items = conv_sort(Item::inArray($items_obj), "`commented`");
+	$items = Item::inArray($items_obj);
+	$conversation_items = conv_sort($items, "`commented`");
 
 	if (!$update) {
 		$o .= "<script> var netargs = '?f=&item_id=" . $item_id . "'; </script>";
 	}
-	$o .= conversation($a, $items, 'display', $update_uid, false, 'commented', local_user());
+	$o .= conversation($a, $conversation_items, 'display', $update_uid, false, 'commented', local_user());
 
 	// Preparing the meta header
-	$description = trim(HTML::toPlaintext(BBCode::convert($s[0]["body"], false), 0, true));
-	$title = trim(HTML::toPlaintext(BBCode::convert($s[0]["title"], false), 0, true));
-	$author_name = $s[0]["author-name"];
+	$description = trim(HTML::toPlaintext(BBCode::convert($items["body"], false), 0, true));
+	$title = trim(HTML::toPlaintext(BBCode::convert($items["title"], false), 0, true));
+	$author_name = $items["author-name"];
 
-	$image = $a->remove_baseurl($s[0]["author-thumb"]);
+	$image = $a->remove_baseurl($items["author-thumb"]);
 
 	if ($title == "") {
 		$title = $author_name;
@@ -391,7 +392,7 @@ function display_content(App $a, $update = false, $update_uid = 0)
 	$a->page['htmlhead'] .= '<meta name="twitter:title" content="'.$title.'" />'."\n";
 	$a->page['htmlhead'] .= '<meta name="twitter:description" content="'.$description.'" />'."\n";
 	$a->page['htmlhead'] .= '<meta name="twitter:image" content="'.System::baseUrl().'/'.$image.'" />'."\n";
-	$a->page['htmlhead'] .= '<meta name="twitter:url" content="'.$s[0]["plink"].'" />'."\n";
+	$a->page['htmlhead'] .= '<meta name="twitter:url" content="'.$items["plink"].'" />'."\n";
 
 	// Dublin Core
 	$a->page['htmlhead'] .= '<meta name="DC.title" content="'.$title.'" />'."\n";
@@ -401,7 +402,7 @@ function display_content(App $a, $update = false, $update_uid = 0)
 	$a->page['htmlhead'] .= '<meta property="og:type" content="website" />'."\n";
 	$a->page['htmlhead'] .= '<meta property="og:title" content="'.$title.'" />'."\n";
 	$a->page['htmlhead'] .= '<meta property="og:image" content="'.System::baseUrl().'/'.$image.'" />'."\n";
-	$a->page['htmlhead'] .= '<meta property="og:url" content="'.$s[0]["plink"].'" />'."\n";
+	$a->page['htmlhead'] .= '<meta property="og:url" content="'.$items["plink"].'" />'."\n";
 	$a->page['htmlhead'] .= '<meta property="og:description" content="'.$description.'" />'."\n";
 	$a->page['htmlhead'] .= '<meta name="og:article:author" content="'.$author_name.'" />'."\n";
 	// article:tag

mod/friendica.php

@@ -11,7 +11,7 @@ use Friendica\Database\DBM;
 
 function friendica_init(App $a)
 {
-	if ($a->argv[1] == "json") {
+	if (!empty($a->argv[1]) && ($a->argv[1] == "json")) {
 		$register_policy = ['REGISTER_CLOSED', 'REGISTER_APPROVE', 'REGISTER_OPEN'];
 
 		$sql_extra = '';

mod/network.php

@@ -699,9 +699,7 @@ function networkThreadedView(App $a, $update, $parent)
 		$order_mode = 'commented';
 	}
 
-	if ($sql_order == '') {
-		$sql_order = "$sql_table.$ordering";
-	}
+	$sql_order = "$sql_table.$ordering";
 
 	if (x($_GET, 'offset')) {
 		$sql_range = sprintf(" AND $sql_order <= '%s'", dbesc($_GET['offset']));

mod/ping.php

@@ -130,7 +130,7 @@ function ping_init(App $a)
 
 		$condition = ["`unseen` AND `uid` = ? AND `contact-id` != ?", local_user(), local_user()];
 		$fields = ['id', 'parent', 'verb', 'author-name', 'unseen', 'author-link', 'author-avatar', 'contact-avatar',
-			'network', 'created', 'object', 'parent-author-name', 'parent-author-link', 'parent-guid'];
+			'network', 'created', 'object', 'parent-author-name', 'parent-author-link', 'parent-guid', 'wall'];
 		$params = ['order' => ['created' => true]];
 		$items = Item::selectForUser(local_user(), $fields, $condition, $params);
 
@@ -487,7 +487,7 @@ function ping_get_notifications($uid)
 
 			if ($notification["visible"]
 				&& !$notification["deleted"]
-				&& !(x($result, $notification["parent"]) && is_array($result[$notification["parent"]]))
+				&& !(x($result, $notification["parent"]) && !empty($result[$notification["parent"]]))
 			) {
 				// Should we condense the notifications or show them all?
 				if (PConfig::get(local_user(), 'system', 'detailed_notif')) {

mod/receive.php

@@ -43,9 +43,7 @@ function receive_post(App $a)
 
 	logger('mod-diaspora: receiving post', LOGGER_DEBUG);
 
-	$xml = urldecode($_POST['xml']);
-
-	if (!$xml) {
+	if (empty($_POST['xml'])) {
 		$postdata = file_get_contents("php://input");
 		if ($postdata == '') {
 			System::httpExit(500);
@@ -54,6 +52,8 @@ function receive_post(App $a)
 		logger('mod-diaspora: message is in the new format', LOGGER_DEBUG);
 		$msg = Diaspora::decodeRaw($importer, $postdata);
 	} else {
+		$xml = urldecode($_POST['xml']);
+
 		logger('mod-diaspora: decode message in the old format', LOGGER_DEBUG);
 		$msg = Diaspora::decode($importer, $xml);
 

src/Content/Text/BBCode.php

@@ -571,9 +571,9 @@ class BBCode extends BaseObject
 					$return = sprintf('<div class="type-%s">', $data["type"]);
 				}
 
-				if ($data["image"] != "") {
+				if (!empty($data["image"])) {
 					$return .= sprintf('<a href="%s" target="_blank"><img src="%s" alt="" title="%s" class="attachment-image" /></a><br />', $data["url"], self::proxyUrl($data["image"], $simplehtml), $data["title"]);
-				} elseif ($data["preview"] != "") {
+				} elseif (!empty($data["preview"])) {
 					$return .= sprintf('<a href="%s" target="_blank"><img src="%s" alt="" title="%s" class="attachment-preview" /></a><br />', $data["url"], self::proxyUrl($data["preview"], $simplehtml), $data["title"]);
 				}
 

src/Core/L10n.php

@@ -144,6 +144,10 @@ class L10n
 	{
 		$a = get_app();
 
+		if (empty($s)) {
+			return '';
+		}
+
 		if (x($a->strings, $s)) {
 			$t = $a->strings[$s];
 			$s = is_array($t) ? $t[0] : $t;

src/Core/System.php

@@ -152,12 +152,8 @@ EOT;
 
 		if (isset($description["title"])) {
 			$tpl = get_markup_template('http_status.tpl');
-			echo replace_macros(
-				$tpl,
-				[
-					'$title' => $description["title"],
-					'$description' => $description["description"]]
-			);
+			echo replace_macros($tpl, ['$title' => $description["title"],
+				'$description' => defaults($description, 'description', '')]);
 		}
 
 		killme();

src/Model/GContact.php

@@ -662,6 +662,11 @@ class GContact
 		$last_failure_str = '';
 		$last_contact_str = '';
 
+		if (empty($contact["network"])) {
+			logger("Empty network for contact url ".$contact["url"]." - Called by: ".System::callstack(), LOGGER_DEBUG);
+			return false;
+		}
+
 		if (in_array($contact["network"], [NETWORK_PHANTOM])) {
 			logger("Invalid network for contact url ".$contact["url"]." - Called by: ".System::callstack(), LOGGER_DEBUG);
 			return false;

src/Model/Item.php

@@ -1030,10 +1030,8 @@ class Item extends BaseObject
 
 	private static function guid($item, $notify)
 	{
-		$guid =	notags(trim($item['guid']));
-
-		if (!empty($guid)) {
-			return $guid;
+		if (!empty($item['guid'])) {
+			return notags(trim($item['guid']));
 		}
 
 		if ($notify) {

src/Object/Post.php

@@ -356,8 +356,8 @@ class Post extends BaseObject
 			'guid'            => urlencode($item['guid']),
 			'isevent'         => $isevent,
 			'attend'          => $attend,
-			'linktitle'       => L10n::t('View %s\'s profile @ %s', $profile_name, defaults($item, 'author-link', $item['url'])),
-			'olinktitle'      => L10n::t('View %s\'s profile @ %s', htmlentities($this->getOwnerName()), defaults($item, 'owner-link', $item['url'])),
+			'linktitle'       => L10n::t('View %s\'s profile @ %s', $profile_name, $item['author-link']),
+			'olinktitle'      => L10n::t('View %s\'s profile @ %s', htmlentities($this->getOwnerName()), $item['owner-link']),
 			'to'              => L10n::t('to'),
 			'via'             => L10n::t('via'),
 			'wall'            => L10n::t('Wall-to-Wall'),

src/Protocol/DFRN.php

@@ -952,10 +952,10 @@ class DFRN
 		if (isset($parent_item)) {
 			$conversation = dba::selectFirst('conversation', ['conversation-uri', 'conversation-href'], ['item-uri' => $item['parent-uri']]);
 			if (DBM::is_result($conversation)) {
-				if ($r['conversation-uri'] != '') {
+				if ($conversation['conversation-uri'] != '') {
 					$conversation_uri = $conversation['conversation-uri'];
 				}
-				if ($r['conversation-href'] != '') {
+				if ($conversation['conversation-href'] != '') {
 					$conversation_href = $conversation['conversation-href'];
 				}
 			}

src/Protocol/Diaspora.php

@@ -1349,7 +1349,7 @@ class Diaspora
 		$author = "";
 
 		// Fetch the author - for the old and the new Diaspora version
-		if ($source_xml->post->status_message->diaspora_handle) {
+		if ($source_xml->post->status_message && $source_xml->post->status_message->diaspora_handle) {
 			$author = (string)$source_xml->post->status_message->diaspora_handle;
 		} elseif ($source_xml->author && ($source_xml->getName() == "status_message")) {
 			$author = (string)$source_xml->author;
@@ -2165,7 +2165,7 @@ class Diaspora
 		}
 
 		// Send all existing comments and likes to the requesting server
-		$comments = Item::select(['id', 'verb', 'self'], ['parent' => $item['id']]);
+		$comments = Item::select(['id', 'parent', 'verb', 'self'], ['parent' => $item['id']]);
 		while ($comment = Item::fetch($comments)) {
 			if ($comment['id'] == $comment['parent']) {
 				continue;

src/Protocol/OStatus.php

@@ -1173,12 +1173,12 @@ class OStatus
 
 		$guid = "";
 		preg_match("/guid='(.*?)'/ism", $attributes, $matches);
-		if ($matches[1] != "") {
+		if (!empty($matches[1])) {
 			$guid = $matches[1];
 		}
 
 		preg_match('/guid="(.*?)"/ism', $attributes, $matches);
-		if ($matches[1] != "") {
+		if (!empty($matches[1])) {
 			$guid = $matches[1];
 		}
 

src/Worker/Delivery.php

@@ -61,7 +61,7 @@ class Delivery extends BaseObject
 
 			$condition = ['id' => [$item_id, $parent_id], 'visible' => true, 'moderated' => false];
 			$params = ['order' => ['id']];
-			$itemdata = Item::select([], $condition, $params);
+			$itemdata = Item::select(Item::ITEM_FIELDLIST, $condition, $params);
 
 			$items = [];
 			while ($item = Item::fetch($itemdata)) {
@@ -259,6 +259,10 @@ class Delivery extends BaseObject
 				return;
 			}
 
+			$user = dba::selectFirst('user', [], ['uid' => $target_uid]);
+
+			$target_importer = array_merge($target_importer, $user);
+
 			// Set the user id. This is important if this is a public contact
 			$target_importer['importer_uid']  = $target_uid;
 			DFRN::import($atom, $target_importer);

view/theme/vier/theme.php

@@ -29,10 +29,12 @@ function vier_init(App $a)
 
 	$a->set_template_engine('smarty3');
 
-	if ($a->argv[0].$a->argv[1] === "profile".$a->user['nickname'] || $a->argv[0] === "network" && local_user()) {
-		vier_community_info();
+	if (!empty($a->argv[0]) && !empty($a->argv[1])) {
+		if ($a->argv[0].$a->argv[1] === "profile".$a->user['nickname'] || $a->argv[0] === "network" && local_user()) {
+			vier_community_info();
 
-		$a->page['htmlhead'] .= "<link rel='stylesheet' type='text/css' href='view/theme/vier/wide.css' media='screen and (min-width: 1300px)'/>\n";
+			$a->page['htmlhead'] .= "<link rel='stylesheet' type='text/css' href='view/theme/vier/wide.css' media='screen and (min-width: 1300px)'/>\n";
+		}
 	}
 
 	if ($a->is_mobile || $a->is_tablet) {
@@ -104,7 +106,7 @@ EOT;
 
 	// Hide the left menu bar
 	/// @TODO maybe move this static array out where it should belong?
-	if (($a->page['aside'] == "") && in_array($a->argv[0], ["community", "events", "help", "manage", "notifications",
+	if (empty($a->page['aside']) && in_array($a->argv[0], ["community", "events", "help", "manage", "notifications",
 			"probe", "webfinger", "login", "invite", "credits"])) {
 		$a->page['htmlhead'] .= "<link rel='stylesheet' href='view/theme/vier/hide.css' />";
 	}