diff --git a/apps/settings/lib/Controller/CheckSetupController.php b/apps/settings/lib/Controller/CheckSetupController.php
index 59175be68843b..5d2f4236a848f 100644
--- a/apps/settings/lib/Controller/CheckSetupController.php
+++ b/apps/settings/lib/Controller/CheckSetupController.php
@@ -291,7 +291,7 @@ private function isUsedTlsLibOutdated() {
 		}
 
 		// Check if NSS and perform heuristic check
-		if (strpos($versionString, 'NSS/') === 0) {
+		if (str_starts_with($versionString, 'NSS/')) {
 			try {
 				$firstClient = $this->clientService->newClient();
 				$firstClient->get('https://nextcloud.com/');
@@ -382,7 +382,7 @@ private function isCorrectMemcachedPHPModuleInstalled() {
 	 */
 	private function isSettimelimitAvailable() {
 		if (function_exists('set_time_limit')
-			&& strpos(ini_get('disable_functions'), 'set_time_limit') === false) {
+			&& !str_contains(ini_get('disable_functions'), 'set_time_limit')) {
 			return true;
 		}
 
@@ -566,7 +566,7 @@ protected function hasMissingColumns(): array {
 	}
 
 	protected function isSqliteUsed() {
-		return strpos($this->config->getSystemValue('dbtype'), 'sqlite') !== false;
+		return str_contains($this->config->getSystemValue('dbtype'), 'sqlite');
 	}
 
 	protected function isReadOnlyConfig(): bool {
diff --git a/apps/settings/lib/Search/AppSearch.php b/apps/settings/lib/Search/AppSearch.php
index fa3d884e80d83..d4735f1c744f7 100644
--- a/apps/settings/lib/Search/AppSearch.php
+++ b/apps/settings/lib/Search/AppSearch.php
@@ -83,7 +83,7 @@ public function search(IUser $user, ISearchQuery $query): SearchResult {
 				continue;
 			}
 
-			if (strpos($query->getRoute(), $entry['id'] . '.') === 0) {
+			if (str_starts_with($query->getRoute(), $entry['id'] . '.')) {
 				// Skip the current app, unlikely this is intended
 				continue;
 			}
diff --git a/apps/settings/lib/Settings/Personal/PersonalInfo.php b/apps/settings/lib/Settings/Personal/PersonalInfo.php
index 535c160652763..9fbee6ef62fa5 100644
--- a/apps/settings/lib/Settings/Personal/PersonalInfo.php
+++ b/apps/settings/lib/Settings/Personal/PersonalInfo.php
@@ -333,8 +333,8 @@ private function getLocaleMap(IUser $user): array {
 			$userLocale = reset($userLocale);
 		}
 
-		$localesForLanguage = array_values(array_filter($localeCodes, fn ($localeCode) => strpos($localeCode['code'], $userLang) === 0));
-		$otherLocales = array_values(array_filter($localeCodes, fn ($localeCode) => strpos($localeCode['code'], $userLang) !== 0));
+		$localesForLanguage = array_values(array_filter($localeCodes, fn ($localeCode) => str_starts_with($localeCode['code'], $userLang)));
+		$otherLocales = array_values(array_filter($localeCodes, fn ($localeCode) => !str_starts_with($localeCode['code'], $userLang)));
 
 		if (!$userLocale) {
 			$userLocale = [
diff --git a/apps/settings/lib/SetupChecks/SupportedDatabase.php b/apps/settings/lib/SetupChecks/SupportedDatabase.php
index 302797485d326..c925ad48043cf 100644
--- a/apps/settings/lib/SetupChecks/SupportedDatabase.php
+++ b/apps/settings/lib/SetupChecks/SupportedDatabase.php
@@ -68,7 +68,7 @@ public function check() {
 				$row = $result->fetch();
 				$version = strtolower($row['Value']);
 
-				if (strpos($version, 'mariadb') !== false) {
+				if (str_contains($version, 'mariadb')) {
 					if (version_compare($version, '10.2', '<')) {
 						$this->description = $this->l10n->t('MariaDB version "%s" is used. Nextcloud 21 and higher do not support this version and require MariaDB 10.2 or higher.', $row['Value']);
 						return;