Update for Laravel 6.0

Author: divdax

composer.json

@@ -42,12 +42,13 @@
         "php": ">=7.2",
         "illuminate/console": "^6.0",
         "illuminate/database": "^6.0",
-        "illuminate/filesystem": "^6.0"
+        "illuminate/filesystem": "^6.0",
+        "laravel/helpers": "^1.1"
     },
     "require-dev": {
         "phpunit/phpunit": "^8.0",
         "mockery/mockery": "^1.0",
-        "orchestra/testbench": "^3.8"
+        "orchestra/testbench": "^4.0"
     },
     "autoload": {
         "psr-4": {
@@ -71,5 +72,7 @@
                 "OwenIt\\Auditing\\AuditingServiceProvider"
             ]
         }
-    }
+    },
+    "minimum-stability": "dev",
+    "prefer-stable": true
 }

src/Audit.php

@@ -3,8 +3,9 @@
 namespace OwenIt\Auditing;
 
 use DateTimeInterface;
-use Illuminate\Database\Eloquent\Model;
+use Illuminate\Support\Str;
 use Illuminate\Support\Facades\Config;
+use Illuminate\Database\Eloquent\Model;
 use OwenIt\Auditing\Contracts\AttributeEncoder;
 
 trait Audit
@@ -146,12 +147,12 @@ public function getDataValue(string $key)
         $value = $this->data[$key];
 
         // User value
-        if ($this->user && starts_with($key, 'user_')) {
+        if ($this->user && Str::startsWith($key, 'user_')) {
             return $this->getFormattedValue($this->user, substr($key, 5), $value);
         }
 
         // Auditable value
-        if ($this->auditable && starts_with($key, ['new_', 'old_'])) {
+        if ($this->auditable && Str::startsWith($key, ['new_', 'old_'])) {
             $attribute = substr($key, 4);
 
             return $this->getFormattedValue(