1 files changed, 5 insertions, 5 deletions
diff --git a/src/Monolog/Processor/UidProcessor.php b/src/Monolog/Processor/UidProcessor.php
index 812707c..601171b 100644
--- a/src/Monolog/Processor/UidProcessor.php
+++ b/src/Monolog/Processor/UidProcessor.php
@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 
 /*
  * This file is part of the Monolog package.
@@ -20,16 +20,16 @@ class UidProcessor
 {
     private $uid;
 
-    public function __construct($length = 7)
+    public function __construct(int $length = 7)
     {
         if (!is_int($length) || $length > 32 || $length < 1) {
             throw new \InvalidArgumentException('The uid length must be an integer between 1 and 32');
         }
 
-        $this->uid = substr(hash('md5', uniqid('', true)), 0, $length);
+        $this->uid = substr(bin2hex(random_bytes((int) ceil($length / 2))), 0, $length);
     }
 
-    public function __invoke(array $record)
+    public function __invoke(array $record): array
     {
         $record['extra']['uid'] = $this->uid;
 
@@ -39,7 +39,7 @@ class UidProcessor
     /**
      * @return string
      */
-    public function getUid()
+    public function getUid(): string
     {
         return $this->uid;
     }