PHPOffice / PhpSpreadsheet

src/PhpSpreadsheet/Cell.php

Spacing +1 added lines, -1 removed lines

@@ -870,7 +870,7 @@
             do {
                 $characterValue = ($indexValue % 26) ?: 26;
                 $indexValue = ($indexValue - $characterValue) / 26;
-                $base26 = chr($characterValue + 64).($base26 ?: '');
+                $base26 = chr($characterValue + 64) . ($base26 ?: '');
             } while ($indexValue > 0);
             $indexCache[$columnIndex] = $base26;
         }