Follow the PSR2 standard.

4 files changed, 5 insertions, 7 deletions

diff --git a/src/Fragments/ParamDefFragment.php b/src/Fragments/ParamDefFragment.php
index 05bad6e..b7d414d 100644
--- a/src/Fragments/ParamDefFragment.php
+++ b/src/Fragments/ParamDefFragment.php
@@ -91,7 +91,7 @@ class ParamDefFragment extends Fragment
                 if (($token->value === 'IN') || ($token->value === 'OUT') || ($token->value === 'INOUT')) {
                     $expr->inOut = $token->value;
                     ++$list->idx;
-                } else if ($token->value === ')') {
+                } elseif ($token->value === ')') {
                     ++$list->idx;
                     break;
                 } else {
diff --git a/src/Lexer.php b/src/Lexer.php
index 238d63b..2b980ab 100644
--- a/src/Lexer.php
+++ b/src/Lexer.php
@@ -135,7 +135,7 @@ class Lexer
         // Another example is `parseComment`.
 
         $tokens = new TokensList();
-        $lastToken = NULL;
+        $lastToken = null;
 
         for ($this->last = 0, $lastIdx = 0; $this->last < $this->len; $lastIdx = ++$this->last) {
             /** @var Token The new token. */
@@ -153,8 +153,8 @@ class Lexer
                 if ($this->delimiter !== $this->str[$this->last]) {
                     $this->error('Unexpected character.', $this->str[$this->last], $this->last);
                 }
-            } else if (($token->type === Token::TYPE_SYMBOL) && ($token->flags & Token::FLAG_SYMBOL_VARIABLE) &&
-                    ($lastToken !== NULL)) {
+            } elseif (($token->type === Token::TYPE_SYMBOL) && ($token->flags & Token::FLAG_SYMBOL_VARIABLE) &&
+                    ($lastToken !== null)) {
                 // Handles ```... FROM 'user'@'%' ...```.
                 if ((($lastToken->type === Token::TYPE_SYMBOL) && ($lastToken->flags & Token::FLAG_SYMBOL_BACKTICK)) ||
                        ($lastToken->type === Token::TYPE_STRING)) {
diff --git a/src/Utils/Misc.php b/src/Utils/Misc.php
index aca16fe..dc8b438 100644
--- a/src/Utils/Misc.php
+++ b/src/Utils/Misc.php
@@ -68,7 +68,7 @@ class Misc
         }
 
         foreach ($tree->expr as $expr) {
-            if ((empty($expr->column)) || (empty($expr->alias)) ){
+            if ((empty($expr->column)) || (empty($expr->alias))) {
                 continue;
             }
 
@@ -87,5 +87,4 @@ class Misc
 
         return $retval;
     }
-
 }
diff --git a/src/Utils/Routine.php b/src/Utils/Routine.php
index 1b694e2..0f42c51 100644
--- a/src/Utils/Routine.php
+++ b/src/Utils/Routine.php
@@ -42,5 +42,4 @@ class Routine
 
         return $retval;
     }
-
 }