Merge branch 'php8fixes' into 'dev'

More PHP 8 fixes

See merge request hubzilla/core!1923

8 files changed, 67 insertions, 45 deletions

diff --git a/Zotlabs/Lib/Queue.php b/Zotlabs/Lib/Queue.php
index 779719d8b..ba314ded3 100644
--- a/Zotlabs/Lib/Queue.php
+++ b/Zotlabs/Lib/Queue.php
@@ -116,7 +116,7 @@ class Queue {
 			dbesc(($arr['driver']) ? $arr['driver'] : 'zot6'),
 			dbesc($arr['posturl']),
 			intval(1),
-			intval(($arr['priority']) ? $arr['priority'] : 0),
+			intval(isset($arr['priority']) ? $arr['priority'] : 0),
 			dbesc(datetime_convert()),
 			dbesc(datetime_convert()),
 			dbesc(datetime_convert()),
diff --git a/Zotlabs/Module/Channel.php b/Zotlabs/Module/Channel.php
index 233e5ac86..ab5000b9a 100644
--- a/Zotlabs/Module/Channel.php
+++ b/Zotlabs/Module/Channel.php
@@ -27,7 +27,7 @@ class Channel extends Controller {
 
 	function init() {
 
-		if (in_array(substr($_GET['search'], 0, 1), ['@', '!', '?']) || strpos($_GET['search'], 'https://') === 0)
+		if (array_key_exists('search', $_GET) && (in_array(substr($_GET['search'], 0, 1), ['@', '!', '?']) || strpos($_GET['search'], 'https://') === 0))
 			goaway(z_root() . '/search?f=&search=' . $_GET['search']);
 
 		$which = null;
@@ -155,7 +155,7 @@ class Channel extends Controller {
 				intval($channel['channel_id'])
 			);
 
-		opengraph_add_meta($r ? $r[0] : [], $channel);
+		opengraph_add_meta((isset($r) && count($r) ? $r[0] : []), $channel);
 	}
 
 	function get($update = 0, $load = false) {
@@ -168,7 +168,7 @@ class Channel extends Controller {
 
 		if (strpos($mid, 'b64.') === 0)
 			$decoded = @base64url_decode(substr($mid, 4));
-		if ($decoded)
+		if (isset($decoded))
 			$mid = $decoded;
 
 		$datequery  = ((x($_GET, 'dend') && is_a_date_arg($_GET['dend'])) ? notags($_GET['dend']) : '');
@@ -420,7 +420,7 @@ class Channel extends Controller {
 
 		if ((!$update) && (!$load)) {
 
-			if ($decoded)
+			if (isset($decoded))
 				$mid = 'b64.' . base64url_encode($mid);
 
 			// This is ugly, but we can't pass the profile_uid through the session to the ajax updater,
@@ -486,7 +486,7 @@ class Channel extends Controller {
 
 			$o .= conversation($items, $mode, $update, $page_mode);
 
-			if ($mid && $items[0]['title'])
+			if ($mid && count($items) > 0 && isset($items[0]['title']))
 				App::$page['title'] = $items[0]['title'] . " - " . App::$page['title'];
 
 		}
diff --git a/Zotlabs/Widget/Cover_photo.php b/Zotlabs/Widget/Cover_photo.php
index 955048992..97323ea8c 100644
--- a/Zotlabs/Widget/Cover_photo.php
+++ b/Zotlabs/Widget/Cover_photo.php
@@ -9,7 +9,7 @@ class Cover_photo {
 		require_once('include/channel.php');
 		$o = '';
 
-		if(\App::$module == 'channel' && $_REQUEST['mid'])
+		if(\App::$module == 'channel' && isset($_REQUEST['mid']))
 			return '';
 
 		$channel_id = 0;
diff --git a/Zotlabs/Widget/Notifications.php b/Zotlabs/Widget/Notifications.php
index e2a543f80..dd5a6cd46 100644
--- a/Zotlabs/Widget/Notifications.php
+++ b/Zotlabs/Widget/Notifications.php
@@ -175,13 +175,13 @@ class Notifications {
 			];
 		}
 
-		$o = replace_macros(get_markup_template('notifications_widget.tpl'), array(
+		$o = replace_macros(get_markup_template('notifications_widget.tpl'), [
 			'$module' => \App::$module,
 			'$notifications' => $notifications,
 			'$no_notifications' => t('Sorry, you have got no notifications at the moment'),
 			'$loading' => t('Loading'),
-			'$startpage' => $channel['channel_startpage']
-		));
+			'$startpage' => ($channel ? $channel['channel_startpage'] : '')
+		]);
 
 		return $o;
 
diff --git a/Zotlabs/Widget/Pinned.php b/Zotlabs/Widget/Pinned.php
index 0a7806908..cad139a91 100644
--- a/Zotlabs/Widget/Pinned.php
+++ b/Zotlabs/Widget/Pinned.php
@@ -43,7 +43,7 @@ class Pinned {
 			
 			$midb64 = 'b64.' . base64url_encode($item['mid']);
 			
-			if(in_array($observer['xchan_hash'], get_pconfig($item['uid'], 'pinned_hide', $midb64, [])))
+			if(isset($observer['xchan_hash']) && in_array($observer['xchan_hash'], get_pconfig($item['uid'], 'pinned_hide', $midb64, [])))
 				continue;
 			
 			$author = channelx_by_hash($item['author_xchan']);
@@ -67,7 +67,7 @@ class Pinned {
 				$conv_responses['attendno'] = [ 'title' => t('Not attending','title') ];
 				$conv_responses['attendmaybe'] = [ 'title' => t('Might attend','title') ];
 				if($commentable && $observer) {
-					$attend = array( t('I will attend'), t('I will not attend'), t('I might attend'));
+					$attend = [ t('I will attend'), t('I will not attend'), t('I might attend') ];
 					$isevent = true;
 				}
 			}
@@ -78,7 +78,7 @@ class Pinned {
 				$conv_responses['disagree'] = [ 'title' => t('Disagree','title') ];
 				$conv_responses['abstain'] = [ 'title' => t('Abstain','title') ];
 				if($commentable && $observer) {
-					$conlabels = array( t('I agree'), t('I disagree'), t('I abstain'));
+					$conlabels = [ t('I agree'), t('I disagree'), t('I abstain') ];
 					$canvote = true;
 				}
 			}
@@ -93,14 +93,13 @@ class Pinned {
 				// This actually turns out not to be possible in some protocol stacks without opening up hundreds of new issues.
 				// Will allow it only for uri resolvable sources.
 				if(strpos($item['mid'],'http') === 0) {
-					$share = []; //Not yet ready for primetime
-					//$share = array( t('Repeat This'), t('repeat'));
+					$share = []; // Isn't yet ready for primetime
+					//$share = [ t('Repeat This'), t('repeat') ];
 				}
-				$embed = array( t('Share This'), t('share'));
+				$embed = [ t('Share This'), t('share') ];
 			}
-			
-			if(strcmp(datetime_convert('UTC','UTC',$item['created']),datetime_convert('UTC','UTC','now - 12 hours')) > 0)
-				$is_new = true;
+
+			$is_new = boolval(strcmp(datetime_convert('UTC','UTC',$item['created']),datetime_convert('UTC','UTC','now - 12 hours')) > 0);
 
 			$body = prepare_body($item,true);
 			
@@ -118,7 +117,7 @@ class Pinned {
 				'isevent'	 => $isevent,
 				'attend'	 => $attend, 
 				'consensus'	 => $consensus,
-				'conlabels'	 => $conlabels,
+				'conlabels'	 => ($canvote ? $conlabels : []),
 				'canvote'	 => $canvote,
 				'linktitle' 	 => sprintf( t('View %s\'s profile - %s'), $profile_name, ($author['xchan_addr'] ? $author['xchan_addr'] : $author['xchan_url']) ),
 				'olinktitle' 	 => sprintf( t('View %s\'s profile - %s'), $owner['xchan_name'], ($owner['xchan_addr'] ? $owner['xchan_addr'] : $owner['xchan_url']) ),
@@ -135,7 +134,6 @@ class Pinned {
 				'localtime'	 => datetime_convert('UTC', date_default_timezone_get(), $item['created'], 'r'),
 				'editedtime'	 => (($item['edited'] != $item['created']) ? sprintf( t('last edited: %s'), datetime_convert('UTC', date_default_timezone_get(), $item['edited'], 'r') ) : ''),
 				'expiretime'	 => ($item['expires'] > NULL_DATE ? sprintf( t('Expires: %s'), datetime_convert('UTC', date_default_timezone_get(), $item['expires'], 'r') ) : ''),
-				'lock' 		 => $lock,
 				'verified'	 => $verified,
 				'forged'	 => $forged,
 				'location'	 => $location,
@@ -150,12 +148,12 @@ class Pinned {
 				'event'		 => $body['event'],
 				'has_tags'	 => (($body['tags'] || $body['categories'] || $body['mentions'] || $body['attachments'] || $body['folders']) ? true : false),
 				// Item toolbar buttons
-				'share'		 => $share,
-				'embed'		 => $embed,
+				'share'		 => (isset($share) && count($share) ? $share : false),
+				'embed'		 => (isset($embed) && count($embed) ? $embed : false),
 				'plink'		 => get_plink($item),
 				'pinned'	 => t('Pinned post'),
-				'pinme'      => (($observer['xchan_hash'] == $owner['xchan_hash']) ? t('Unpin from the top') : ''),
-				'hide'		 => (! $is_new && $observer && ($observer['xchan_hash'] != $owner['xchan_hash']) ? t("Don't show") : ''),
+				'pinme'		 => (isset($observer['xchan_hash']) && $observer['xchan_hash'] == $owner['xchan_hash'] ? t('Unpin from the top') : ''),
+				'hide'		 => (! $is_new && isset($observer['xchan_hash']) && $observer['xchan_hash'] != $owner['xchan_hash'] ? t("Don't show") : ''),
 				// end toolbar buttons
 				'modal_dismiss' => t('Close'),
 				'responses'	 => $conv_responses
diff --git a/boot.php b/boot.php
index 520cf464a..ec79b3dce 100644
--- a/boot.php
+++ b/boot.php
@@ -2316,13 +2316,14 @@ function construct_page() {
 		$navbar = get_pconfig($uid,'system','navbar',$navbar);
 	}
 
-	if($comanche && App::$layout['navbar']) {
+	if($comanche && isset(App::$layout['navbar'])) {
 		$navbar = App::$layout['navbar'];
 	}
 
 	if (App::$module == 'setup') {
 		$installing = true;
-	} else {
+	}
+	else {
 		nav($navbar);
 	}
 
diff --git a/include/html2plain.php b/include/html2plain.php
index 91a1f14cb..bf8581bdb 100644
--- a/include/html2plain.php
+++ b/include/html2plain.php
@@ -76,28 +76,47 @@ function quotelevel($message, $wraplength = 75)
 	return(implode("\n", $newlines));
 }
 
+
 function collecturls($message) {
+	
 	$pattern = '/<a.*?href="(.*?)".*?>(.*?)<\/a>/is';
 	preg_match_all($pattern, $message, $result, PREG_SET_ORDER);
-
-	$urls = array();
-	foreach ($result as $treffer) {
-		// A list of some links that should be ignored
-		$list = array("/user/", "/tag/", "/group/", "/profile/", "/channel/", "/search?search=", "/search?tag=", "mailto:", "/u/", "/node/",
-				"//facebook.com/profile.php?id=", "//plus.google.com/");
-		foreach ($list as $listitem)
-			if (strpos($treffer[1], $listitem) !== false)
-				$ignore = true;
-
-		if ((strpos($treffer[1], "//plus.google.com/") !== false) and (strpos($treffer[1], "/posts") !== false))
+	
+	$urls = [];
+	if ($result) {
+		$ignore = false;
+		foreach ($result as $treffer) {
+			// A list of some links that should be ignored
+			$list = [
+				"/user/",
+				"/tag/",
+				"/group/",
+				"/profile/",
+				"/channel/",
+				"/search?search=",
+				"/search?tag=",
+				"mailto:",
+				"/u/",
+				"/node/",
+				"//facebook.com/profile.php?id=",
+				"//plus.google.com/"
+			];
+			foreach ($list as $listitem)
+				if (strpos($treffer[1], $listitem) !== false)
+					$ignore = true;
+						
+			if ((strpos($treffer[1], "//plus.google.com/") !== false) and (strpos($treffer[1], "/posts") !== false))
 				$ignore = false;
-
-		if (!$ignore)
-			$urls[$treffer[1]] = $treffer[1];
+					
+			if (! $ignore)
+				$urls[$treffer[1]] = $treffer[1];
+		}
 	}
+	
 	return($urls);
 }
 
+
 function html2plain($html, $wraplength = 75, $compact = false)
 {
 
diff --git a/include/network.php b/include/network.php
index f5ff48fce..fcc7b4289 100644
--- a/include/network.php
+++ b/include/network.php
@@ -1134,11 +1134,15 @@ function discover_by_webbie($webbie, $protocol = '') {
 		foreach($x['links'] as $link) {
 			if(array_key_exists('rel',$link)) {
 				if($link['rel'] === PROTOCOL_ZOT6 && ((! $protocol) || (strtolower($protocol) === 'zot6'))) {
+
 					logger('zot6 found for ' . $webbie, LOGGER_DEBUG);
 					$record = Zotfinger::exec($link['href']);
+					if (! $record) {
+						logger('Record not found for ' . $link['href']);
+						continue;
+					}
 
 					// Check the HTTP signature
-
 					$hsig = $record['signature'];
 					if($hsig && $hsig['signer'] === $link['href'] && $hsig['header_valid'] === true && $hsig['content_valid'] === true)
 						$hsig_valid = true;
@@ -1226,7 +1230,7 @@ function webfinger_rfc7033($webbie, $zot = false) {
 			if($m['scheme'] !== 'https')
 				return false;
 
-			$rhs = $m['host'] . (($m['port']) ? ':' . $m['port'] : '');
+			$rhs = $m['host'] . (array_key_exists('port', $m) ? ':' . $m['port'] : '');
 			$resource = urlencode($webbie);
 		}
 	}
@@ -1957,10 +1961,10 @@ function service_plink($contact, $guid) {
 
 	$m = parse_url($contact['xchan_url']);
 	if($m) {
-		$url = $m['scheme'] . '://' . $m['host'] . (($m['port']) ? ':' . $m['port'] : '');
+		$url = $m['scheme'] . '://' . $m['host'] . (array_key_exists('port', $m) ? ':' . $m['port'] : '');
 	}
 	else {
-		$url = 'https://' . substr($contact['xchan_addr'],strpos($contact['xchan_addr'],'@')+1);
+		$url = 'https://' . substr($contact['xchan_addr'], strpos($contact['xchan_addr'], '@') + 1);
 	}
 
 	$handle = substr($contact['xchan_addr'], 0, strpos($contact['xchan_addr'],'@'));