Adam G-H
--- a/package_manager/src/Validator/StagedDBUpdateValidator.php
+++ b/package_manager/src/Validator/StagedDBUpdateValidator.php
+      $code = file_get_contents($file);
+      $tokens = token_get_all($code);
+
+      for ($i = 0; $i < count($tokens); $i++) {
+        $chunk = array_slice($tokens, $i, 3);
+        if ($this->tokensMatchFunctionNamePattern($chunk, $pattern)) {
+          $function_names[] = $chunk[2][1];
+        }
      }
    }
-    return $hashes;
+    return $function_names;
+  }
+
+  /**
+   * Determines if a set of tokens contain a function name matching a pattern.