From 8ead1797727968deafc2d240ffca3684af2c26da Mon Sep 17 00:00:00 2001
From: "John Paul E. Balandan, CPA" <paulbalandan@gmail.com>
Date: Fri, 20 Feb 2026 15:17:41 +0800
Subject: [PATCH] refactor: remove
 `Exceptions::isImplicitNullableDeprecationError`

---
 system/Debug/Exceptions.php | 36 ------------------------------------
 1 file changed, 36 deletions(-)

diff --git a/system/Debug/Exceptions.php b/system/Debug/Exceptions.php
index 6bf914c785bb..3c8b1f006ea7 100644
--- a/system/Debug/Exceptions.php
+++ b/system/Debug/Exceptions.php
@@ -201,10 +201,6 @@ public function errorHandler(int $severity, string $message, ?string $file = nul
                 return true;
             }
 
-            if ($this->isImplicitNullableDeprecationError($message, $file, $line)) {
-                return true;
-            }
-
             if (! $this->config->logDeprecations || (bool) env('CODEIGNITER_SCREAM_DEPRECATIONS')) {
                 throw new ErrorException($message, 0, $severity, $file, $line);
             }
@@ -245,38 +241,6 @@ private function isSessionSidDeprecationError(string $message, ?string $file = n
         return false;
     }
 
-    /**
-     * Workaround to implicit nullable deprecation errors in PHP 8.4.
-     *
-     * "Implicitly marking parameter $xxx as nullable is deprecated,
-     *  the explicit nullable type must be used instead"
-     *
-     * @TODO remove this before v4.6.0 release
-     */
-    private function isImplicitNullableDeprecationError(string $message, ?string $file = null, ?int $line = null): bool
-    {
-        if (
-            PHP_VERSION_ID >= 80400
-            && str_contains($message, 'the explicit nullable type must be used instead')
-            // Only Kint and Faker, which cause this error, are logged.
-            && (str_starts_with($message, 'Kint\\') || str_starts_with($message, 'Faker\\'))
-        ) {
-            log_message(
-                LogLevel::WARNING,
-                '[DEPRECATED] {message} in {errFile} on line {errLine}.',
-                [
-                    'message' => $message,
-                    'errFile' => clean_path($file ?? ''),
-                    'errLine' => $line ?? 0,
-                ],
-            );
-
-            return true;
-        }
-
-        return false;
-    }
-
     /**
      * Checks to see if any errors have happened during shutdown that
      * need to be caught and handle them.