diff --git a/curweather/curweather.php b/curweather/curweather.php
index 9aa8584a..e5e2710d 100644
--- a/curweather/curweather.php
+++ b/curweather/curweather.php
@@ -29,10 +29,10 @@ function getWeather($loc, $units = 'metric', $lang = 'en', $appid = '', $cacheti
 	$now = new DateTime();
 
 	if (!is_null($cached)) {
-		$cdate = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'curweather', 'last');
+		$cdate = (int) DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'curweather', 'last');
 		$cached = unserialize($cached);
 
-		if ($cdate + $cachetime > $now->getTimestamp()) {
+		if ($cdate + (int) $cachetime > $now->getTimestamp()) {
 			return $cached;
 		}
 	}
diff --git a/js_upload/file-uploader/server/php.php b/js_upload/file-uploader/server/php.php
index 2248c8f0..ff485dec 100644
--- a/js_upload/file-uploader/server/php.php
+++ b/js_upload/file-uploader/server/php.php
@@ -77,10 +77,10 @@ class qqFileUploader {
 	public function __construct(array $allowedExtensions = [], $sizeLimit = 10485760)
 	{
 		$allowedExtensions = array_map('strtolower', $allowedExtensions);
-			
+
 		$this->allowedExtensions = $allowedExtensions;
 		$this->sizeLimit = $sizeLimit;
-		
+
 		$this->checkServerSettings();
 
 		if (isset($_GET['qqfile'])) {
@@ -88,7 +88,7 @@ class qqFileUploader {
 		} elseif (isset($_FILES['qqfile'])) {
 			$this->file = new qqUploadedFileForm();
 		} else {
-			$this->file = false; 
+			$this->file = false;
 		}
 	}
 
@@ -105,7 +105,7 @@ class qqFileUploader {
 
 	private function toBytes(string $str): int
 	{
-		$val = trim($str);
+		$val = (int) trim($str);
 		$last = strtolower($str[strlen($str) - 1]);
 
 		switch($last) {
diff --git a/membersince/membersince.php b/membersince/membersince.php
index f8128eb7..20e41ac9 100644
--- a/membersince/membersince.php
+++ b/membersince/membersince.php
@@ -7,7 +7,6 @@
  * Status: Unsupported
  */
 
-use Friendica\App;
 use Friendica\Core\Hook;
 use Friendica\DI;
 use Friendica\Util\DateTimeFormat;
@@ -19,7 +18,7 @@ function membersince_install()
 
 function membersince_display(array &$b)
 {
-	if (DI::app()->getCurrentTheme() == 'frio') {
+	if (DI::appHelper()->getCurrentTheme() == 'frio') {
 		// Works in Frio.
 		$doc = new DOMDocument();
 		$doc->loadHTML(mb_convert_encoding($b, 'HTML-ENTITIES', 'UTF-8'));
@@ -39,7 +38,7 @@ function membersince_display(array &$b)
 		$label->setAttribute('class', 'col-lg-4 col-md-4 col-sm-4 col-xs-12 profile-label-name text-muted');
 
 		// The div for the register date of the profile owner.
-		$entry = $doc->createElement('div', DateTimeFormat::local(DI::app()->profile['register_date']));
+		$entry = $doc->createElement('div', DateTimeFormat::local(DI::appHelper()->profile['register_date']));
 		$entry->setAttribute('class', 'col-lg-8 col-md-8 col-sm-8 col-xs-12 profile-entry');
 
 		$div->appendChild($hr);
@@ -50,6 +49,6 @@ function membersince_display(array &$b)
 		$b = $doc->saveHTML();
 	} else {
 		// Works in Vier.
-		$b = preg_replace('/<\/dl>/', "</dl>\n\n\n<dl id=\"aprofile-membersince\" class=\"aprofile\">\n<dt>" . DI::l10n()->t('Member since:') . "</dt>\n<dd>" . DateTimeFormat::local(DI::app()->profile['register_date']) . "</dd>\n</dl>", $b, 1);
+		$b = preg_replace('/<\/dl>/', "</dl>\n\n\n<dl id=\"aprofile-membersince\" class=\"aprofile\">\n<dt>" . DI::l10n()->t('Member since:') . "</dt>\n<dd>" . DateTimeFormat::local(DI::appHelper()->profile['register_date']) . "</dd>\n</dl>", $b, 1);
 	}
 }