some php 7.0 adjustments

Author: markushausammann

Module.php

@@ -29,7 +29,7 @@
  */
 class Module
 {
-    public const RAVENJS_VERSION = '3.27.0';
+    const RAVENJS_VERSION = '3.27.0';
 
     /**
      * Translates Zend Framework log levels to Raven log levels.

config/zend-sentry.local.php.dist

@@ -5,16 +5,16 @@
  * If you have a ./config/autoload/ directory set up for your project, you can
  * drop this config file in it, remove the .dist extension add your configuration details.
  */
-$settings = array(
+$settings = [
     /**
      * Your Sentry API key
      */
     'sentry-api-key' => '',
-);
+];
 
 /**
  * You do not need to edit below this line
  */
-return array(
+return [
     'zend-sentry' => $settings,
-);
+];

src/ZendSentry/ZendSentry.php

@@ -100,7 +100,7 @@ public function registerShutdownFunction($reservedMemorySize = 10): ZendSentry
     /**
      * @return null|string
      */
-    public function getCSPNonce(): ?string
+    public function getCSPNonce()
     {
         return self::$nonce;
     }