fix error when 'args' index isn't defined in php stack trace

Author: aivis

src/Understand/UnderstandLaravel/ExceptionEncoder.php

@@ -91,7 +91,7 @@ protected function getStackTraceFile(array $trace)
      */
     protected function stackTraceCallToString(array $trace)
     {
-        if (!isset($trace['type']))
+        if (! isset($trace['type']))
         {
             return 'function';
         }
@@ -117,6 +117,11 @@ protected function stackTraceArgsToArray(array $trace)
     {
         $params = [];
 
+        if (! isset($trace['args']))
+        {
+            return $params;
+        }
+
         foreach ($trace['args'] as $arg)
         {
             if (is_array($arg))

tests/ExceptionEncoderTest.php

@@ -42,4 +42,14 @@ public function testEmptyExceptionMessageCase()
         $this->assertSame('DomainException', $exceptionArray['message']);
     }
 
+    public function testStactTraceSerializationWithoutArgs()
+    {
+        $stackTrace = debug_backtrace();
+        unset($stackTrace[0]['args']);
+
+        $encoder = new Understand\UnderstandLaravel\ExceptionEncoder();
+        $stackTraceArray = $encoder->stackTraceToArray($stackTrace);
+
+        $this->assertEmpty($stackTraceArray[0]['args']);
+    }
 }