PHP 7.4 support

.travis.yml

@@ -4,6 +4,7 @@ php:
   - 7.1
   - 7.2
   - 7.3
+  - 7.4
 
 before_script:
   - wget http://getcomposer.org/composer.phar

README.md

@@ -78,8 +78,6 @@ $executor->addFunction('abs', function($arg) {return abs($arg);});
 ```
 Function default parameters are not supported at this time.
 
-Default parameters are not currently supported.
-
 ## Operators:
 Default operators: `+ - * / ^`
 

src/NXP/MathExecutor.php

@@ -365,7 +365,7 @@ class MathExecutor
             'log' => function ($arg) {
                 return log($arg);
             },
-			'log10' => function ($arg) {
+            'log10' => function ($arg) {
                 return log10($arg);
             },
             'log1p' => function ($arg) {
@@ -401,7 +401,7 @@ class MathExecutor
             'sqrt' => function ($arg) {
                 return sqrt($arg);
             },
-			'tan' => function ($arg) {
+            'tan' => function ($arg) {
                 return tan($arg);
             },
             'tanh' => function ($arg) {

tests/MathTest.php

@@ -73,11 +73,11 @@ class MathTest extends \PHPUnit\Framework\TestCase
             ['hypot(1.5, 3.5)'],
             ['intdiv(10, 2)'],
             ['log(1.5)'],
-			['log10(1.5)'],
+            ['log10(1.5)'],
             ['log1p(1.5)'],
             ['max(1.5, 3.5)'],
             ['min(1.5, 3.5)'],
-            ['octdec(1.5)'],
+            ['octdec("15")'],
             ['pi()'],
             ['pow(1.5, 3.5)'],
             ['rad2deg(1.5)'],
@@ -85,7 +85,7 @@ class MathTest extends \PHPUnit\Framework\TestCase
             ['sin(1.5)'],
             ['sinh(1.5)'],
             ['sqrt(1.5)'],
-			['tan(1.5)'],
+            ['tan(1.5)'],
             ['tanh(1.5)'],
 
             ['0.1 + 0.2'],