| @@ -94,9 +94,9 @@ | ||
| 94 | 94 | if (is_null($key)) { |
| 95 | 95 | return null; |
| 96 | 96 | } |
| 97 | 97 | |
| 98 | - $key = ($this->cacheConfig['prefix'] ?? '') . $key; | |
| 98 | + $key = $this->cacheConfig['prefix'] . $key; | |
| 99 | 99 | |
| 100 | 100 | // ensure we do not have illegal characters |
| 101 | 101 | $key = preg_replace('|[^a-zA-Z0-9_\.!]|', '', $key); |
| 102 | 102 | |
