Merge pull request #206 from bperel/cleanup

Cleanup the code

* Avoid duplicate if conditions
* Use switch/case instead of ifs when possible
* Use triple (in)equalities when type compatibility is ensured

1 files changed, 2 insertions, 2 deletions

diff --git a/src/Components/SetOperation.php b/src/Components/SetOperation.php
index 83f2e55..7dab0a1 100644
--- a/src/Components/SetOperation.php
+++ b/src/Components/SetOperation.php
@@ -94,7 +94,7 @@ class SetOperation extends Component
             // No keyword is expected.
             if (($token->type === Token::TYPE_KEYWORD)
                 && ($token->flags & Token::FLAG_KEYWORD_RESERVED)
-                && ($state == 0)
+                && ($state === 0)
             ) {
                 break;
             }
@@ -113,7 +113,7 @@ class SetOperation extends Component
                         'breakOnAlias' => true,
                     )
                 );
-                if ($tmp == null) {
+                if (is_null($tmp)) {
                     $parser->error('Missing expression.', $token);
                     break;
                 }