Code style fixes & Github Actions (#65)V2.0.2

* Code style fixes

Up phpunit to v8
New CI

* Remove travis

* Fix CI badge

* Added php-cs-fixer action

5 files changed, 10 insertions, 13 deletions

diff --git a/src/NXP/Classes/Calculator.php b/src/NXP/Classes/Calculator.php
index c6ccff1..94c6933 100644
--- a/src/NXP/Classes/Calculator.php
+++ b/src/NXP/Classes/Calculator.php
@@ -56,14 +56,14 @@ class Calculator
         foreach ($tokens as $token) {
             if ($token->type === Token::Literal || $token->type === Token::String) {
                 $stack[] = $token;
-            } else if ($token->type === Token::Variable) {
+            } elseif ($token->type === Token::Variable) {
                 $variable = $token->value;
                 if (!array_key_exists($variable, $variables)) {
                     throw new UnknownVariableException($variable);
                 }
                 $value = $variables[$variable];
                 $stack[] = new Token(Token::Literal, $value);
-            } else if ($token->type === Token::Function) {
+            } elseif ($token->type === Token::Function) {
                 if (!array_key_exists($token->value, $this->functions)) {
                     throw new UnknownFunctionException($token->value);
                 }
diff --git a/src/NXP/Classes/CustomFunction.php b/src/NXP/Classes/CustomFunction.php
index bf36405..06e21ef 100644
--- a/src/NXP/Classes/CustomFunction.php
+++ b/src/NXP/Classes/CustomFunction.php
@@ -3,7 +3,6 @@
 
 namespace NXP\Classes;
 
-
 use NXP\Exception\IncorrectExpressionException;
 use ReflectionException;
 use ReflectionFunction;
@@ -58,6 +57,4 @@ class CustomFunction
 
         return new Token(Token::Literal, $result);
     }
-
-
-}
\ No newline at end of file
+}
diff --git a/src/NXP/Classes/Operator.php b/src/NXP/Classes/Operator.php
index c3762ea..86df549 100644
--- a/src/NXP/Classes/Operator.php
+++ b/src/NXP/Classes/Operator.php
@@ -3,7 +3,6 @@
 
 namespace NXP\Classes;
 
-
 use NXP\Exception\IncorrectExpressionException;
 use ReflectionFunction;
 
@@ -66,4 +65,4 @@ class Operator
 
         return new Token(Token::Literal, $result);
     }
-}
\ No newline at end of file
+}
diff --git a/src/NXP/Classes/Tokenizer.php b/src/NXP/Classes/Tokenizer.php
index caf395f..6b14677 100644
--- a/src/NXP/Classes/Tokenizer.php
+++ b/src/NXP/Classes/Tokenizer.php
@@ -106,6 +106,7 @@ class Tokenizer
                         $this->allowNegative = true;
                         break;
                     }
+                    // no break
                 case $this->isAlpha($ch):
                     if ($this->numberBuffer != "") {
                         $this->emptyNumberBufferAsLiteral();
@@ -299,4 +300,3 @@ class Tokenizer
         return $tokens;
     }
 }
-
diff --git a/src/NXP/MathExecutor.php b/src/NXP/MathExecutor.php
index 9a45589..8f876dc 100644
--- a/src/NXP/MathExecutor.php
+++ b/src/NXP/MathExecutor.php
@@ -15,8 +15,9 @@ use NXP\Classes\Calculator;
 use NXP\Classes\CustomFunction;
 use NXP\Classes\Operator;
 use NXP\Classes\Tokenizer;
-use NXP\MathExecutorException;
+use NXP\Exception\MathExecutorException;
 use NXP\Exception\DivisionByZeroException;
+use NXP\Exception\UnknownVariableException;
 use ReflectionException;
 
 /**
@@ -403,7 +404,7 @@ class MathExecutor
     public function getVar(string $variable)
     {
         if (!isset($this->variables[$variable])) {
-          throw new UnknownVariableException("Variable ({$variable}) not set");
+            throw new UnknownVariableException("Variable ({$variable}) not set");
         }
         return $this->variables[$variable];
     }
@@ -444,7 +445,7 @@ class MathExecutor
         return $this;
     }
 
-		/**
+    /**
      * Remove variable from executor
      *
      * @param  string $variable
@@ -452,7 +453,7 @@ class MathExecutor
      */
     public function removeVar(string $variable) : self
     {
-        unset ($this->variables[$variable]);
+        unset($this->variables[$variable]);
         return $this;
     }