From aaba7c1a052d7708634dc31ab064470c5e4e5be8 Mon Sep 17 00:00:00 2001
From: Najdanovic Ivan <najdanovicivan@gmail.com>
Date: Mon, 17 Oct 2022 11:55:31 +0200
Subject: [PATCH] Exceptions - Log Deprecations

---
 app/Config/Exceptions.php   | 13 +++++++++++++
 system/Debug/Exceptions.php | 14 ++++++++++++++
 2 files changed, 27 insertions(+)

diff --git a/app/Config/Exceptions.php b/app/Config/Exceptions.php
index 7cbc78a88a3a..0000d315bdcb 100644
--- a/app/Config/Exceptions.php
+++ b/app/Config/Exceptions.php
@@ -33,6 +33,19 @@ class Exceptions extends BaseConfig
      */
     public $ignoreCodes = [404];
 
+    /**
+     * --------------------------------------------------------------------------
+     * DO NOT FAIL ON DEPRECATIONS
+     * --------------------------------------------------------------------------
+     * By default deprecation errors will be thrown as exception stopping
+     * the framework from further code execution. With this parameter set to
+     * true the deprecations will not throw exception but instead will be written
+     * to the log with warning level.
+     *
+     * @var bool
+     */
+    public $failOnDeprecated = true;
+
     /**
      * --------------------------------------------------------------------------
      * Error Views Path
diff --git a/system/Debug/Exceptions.php b/system/Debug/Exceptions.php
index 437a47268706..33de09a8f6b4 100644
--- a/system/Debug/Exceptions.php
+++ b/system/Debug/Exceptions.php
@@ -153,6 +153,20 @@ public function exceptionHandler(Throwable $exception)
      */
     public function errorHandler(int $severity, string $message, ?string $file = null, ?int $line = null)
     {
+        if ($this->config->failOnDeprecated !== true && $severity === E_DEPRECATED) {
+            if ($this->config->log === true) {
+                $exception = new ErrorException($message, 0, $severity, $file, $line);
+                log_message('warning', "{message}\nin {exFile} on line {exLine}.\n{trace}", [
+                    'message' => $exception->getMessage(),
+                    'exFile'  => clean_path($exception->getFile()), // {file} refers to THIS file
+                    'exLine'  => $exception->getLine(), // {line} refers to THIS line
+                    'trace'   => self::renderBacktrace($exception->getTrace()),
+                ]);
+            }
+
+            return;
+        }
+
         if (! (error_reporting() & $severity)) {
             return;
         }