diff --git a/lib/private/DB/MigrationService.php b/lib/private/DB/MigrationService.php
index db287dc99162..a7ae5a79a8e0 100644
--- a/lib/private/DB/MigrationService.php
+++ b/lib/private/DB/MigrationService.php
@@ -304,7 +304,9 @@ public function getMigration($alias) {
 			case 'latest':
 				$this->ensureMigrationsAreLoaded();
 
-				return @\end($this->getAvailableVersions());
+				// A variable must be used because \end() must pass the array by reference
+				$availableVersionsArray = $this->getAvailableVersions();
+				return @\end($availableVersionsArray);
 		}
 		return '0';
 	}
@@ -336,7 +338,9 @@ private function getCurrentVersion() {
 		if (\count($m) === 0) {
 			return '0';
 		}
-		return @\end(\array_values($m));
+		// A variable must be used because \end() must pass the array by reference
+		$migratedVersionsArray = \array_values($m);
+		return @\end($migratedVersionsArray);
 	}
 
 	/**
diff --git a/vendor-bin/phan/composer.json b/vendor-bin/phan/composer.json
index b0308f5b6f4c..fa41a406fce3 100644
--- a/vendor-bin/phan/composer.json
+++ b/vendor-bin/phan/composer.json
@@ -1,5 +1,5 @@
 {
     "require": {
-        "phan/phan": "^4.0"
+        "phan/phan": "^5.2"
     }
 }