Increase PHPStan rule level to 10

sebastianbergmann · Nov 17, 2024 · f04804d · f04804d
1 parent 1d4d9a9
commit f04804d
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Showing 2 changed files with 7 additions and 3 deletions.
diff --git a/phpstan.neon b/phpstan.neon
@@ -1,4 +1,4 @@
 parameters:
-    level: 9
+    level: 10
     paths:
         - src
diff --git a/src/CodeUnit.php b/src/CodeUnit.php
@@ -9,6 +9,7 @@
  */
 namespace SebastianBergmann\CodeUnit;
 
+use function assert;
 use function count;
 use function file;
 use function file_exists;
@@ -98,13 +99,16 @@ public static function forFileWithAbsolutePath(string $path): FileUnit
     {
         self::ensureFileExistsAndIsReadable($path);
 
+        $lines = file($path);
+
+        assert($lines !== false);
+
         return new FileUnit(
             $path,
             $path,
             range(
                 1,
-                // @phpstan-ignore argument.type
-                count(file($path)),
+                count($lines),
             ),
         );
     }