diff options
| author | Bruce Wells <bruce.wells@simparel.com> | 2018-10-24 21:16:11 +0300 |
|---|---|---|
| committer | Bruce Wells <bruce.wells@simparel.com> | 2018-10-24 23:01:01 +0300 |
| commit | b9f72a001bca4772a003248595ad20b13a5b2277 (patch) | |
| tree | bf38dac0f68746efbf5adf31e3a7e94b56bc7db0 /src/NXP/Classes/Calculator.php | |
| parent | 12d41b160bbf8c26601819fcc1f7628c48bc7a00 (diff) | |
Additional validation for bad expressions (*+ for example)
Diffstat (limited to 'src/NXP/Classes/Calculator.php')
| -rw-r--r-- | src/NXP/Classes/Calculator.php | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/NXP/Classes/Calculator.php b/src/NXP/Classes/Calculator.php index bfa7015..253e70c 100644 --- a/src/NXP/Classes/Calculator.php +++ b/src/NXP/Classes/Calculator.php @@ -54,7 +54,7 @@ class Calculator } } $result = array_pop($stack); - if (!empty($stack)) { + if ($result === null || ! empty($stack)) { throw new IncorrectExpressionException(); } |