diff --git a/system/Log/Handlers/ChromeLoggerHandler.php b/system/Log/Handlers/ChromeLoggerHandler.php
index 3d03e79f104e..83bfb9878865 100644
--- a/system/Log/Handlers/ChromeLoggerHandler.php
+++ b/system/Log/Handlers/ChromeLoggerHandler.php
@@ -90,8 +90,8 @@ public function __construct(array $config = [])
      * will stop. Any handlers that have not run, yet, will not
      * be run.
      *
-     * @param string $level
-     * @param string $message
+     * @param string                  $level
+     * @param array|int|object|string $message
      */
     public function handle($level, $message): bool
     {
@@ -128,7 +128,7 @@ public function handle($level, $message): bool
     /**
      * Converts the object to display nicely in the Chrome Logger UI.
      *
-     * @param mixed $object
+     * @param array|int|object|string $object
      *
      * @return array
      */
diff --git a/system/Log/Handlers/ErrorlogHandler.php b/system/Log/Handlers/ErrorlogHandler.php
index a3c9dfabb6e8..9ec34d9e7ce9 100644
--- a/system/Log/Handlers/ErrorlogHandler.php
+++ b/system/Log/Handlers/ErrorlogHandler.php
@@ -62,11 +62,15 @@ public function __construct(array $config = [])
      * will stop. Any handlers that have not run, yet, will not
      * be run.
      *
-     * @param string $level
-     * @param string $message
+     * @param string                  $level
+     * @param array|int|object|string $message
      */
     public function handle($level, $message): bool
     {
+        if (! is_string($message)) {
+            $message = print_r($message, true);
+        }
+
         $message = strtoupper($level) . ' --> ' . $message . "\n";
 
         return $this->errorLog($message, $this->messageType);
diff --git a/system/Log/Handlers/FileHandler.php b/system/Log/Handlers/FileHandler.php
index e80a6121c676..0c31477737f1 100644
--- a/system/Log/Handlers/FileHandler.php
+++ b/system/Log/Handlers/FileHandler.php
@@ -61,8 +61,8 @@ public function __construct(array $config = [])
      * will stop. Any handlers that have not run, yet, will not
      * be run.
      *
-     * @param string $level
-     * @param string $message
+     * @param string                  $level
+     * @param array|int|object|string $message
      *
      * @throws Exception
      */
diff --git a/system/Log/Handlers/HandlerInterface.php b/system/Log/Handlers/HandlerInterface.php
index 7b809a320d65..ba580319e0c0 100644
--- a/system/Log/Handlers/HandlerInterface.php
+++ b/system/Log/Handlers/HandlerInterface.php
@@ -22,8 +22,8 @@ interface HandlerInterface
      * will stop. Any handlers that have not run, yet, will not
      * be run.
      *
-     * @param string $level
-     * @param string $message
+     * @param string                  $level
+     * @param array|int|object|string $message
      */
     public function handle($level, $message): bool;
 
diff --git a/system/Log/Logger.php b/system/Log/Logger.php
index 515a065647ee..55efeaa4ea23 100644
--- a/system/Log/Logger.php
+++ b/system/Log/Logger.php
@@ -15,6 +15,7 @@
 use CodeIgniter\Log\Handlers\HandlerInterface;
 use Psr\Log\LoggerInterface;
 use RuntimeException;
+use Stringable;
 use Throwable;
 
 /**
@@ -152,7 +153,7 @@ public function __construct($config, bool $debug = CI_DEBUG)
     /**
      * System is unusable.
      *
-     * @param string $message
+     * @param string|Stringable $message
      */
     public function emergency($message, array $context = []): bool
     {
@@ -165,7 +166,7 @@ public function emergency($message, array $context = []): bool
      * Example: Entire website down, database unavailable, etc. This should
      * trigger the SMS alerts and wake you up.
      *
-     * @param string $message
+     * @param string|Stringable $message
      */
     public function alert($message, array $context = []): bool
     {
@@ -177,7 +178,7 @@ public function alert($message, array $context = []): bool
      *
      * Example: Application component unavailable, unexpected exception.
      *
-     * @param string $message
+     * @param string|Stringable $message
      */
     public function critical($message, array $context = []): bool
     {
@@ -188,7 +189,7 @@ public function critical($message, array $context = []): bool
      * Runtime errors that do not require immediate action but should typically
      * be logged and monitored.
      *
-     * @param string $message
+     * @param string|Stringable $message
      */
     public function error($message, array $context = []): bool
     {
@@ -201,7 +202,7 @@ public function error($message, array $context = []): bool
      * Example: Use of deprecated APIs, poor use of an API, undesirable things
      * that are not necessarily wrong.
      *
-     * @param string $message
+     * @param string|Stringable $message
      */
     public function warning($message, array $context = []): bool
     {
@@ -211,7 +212,7 @@ public function warning($message, array $context = []): bool
     /**
      * Normal but significant events.
      *
-     * @param string $message
+     * @param string|Stringable $message
      */
     public function notice($message, array $context = []): bool
     {
@@ -223,7 +224,7 @@ public function notice($message, array $context = []): bool
      *
      * Example: User logs in, SQL logs.
      *
-     * @param string $message
+     * @param string|Stringable $message
      */
     public function info($message, array $context = []): bool
     {
@@ -233,7 +234,7 @@ public function info($message, array $context = []): bool
     /**
      * Detailed debug information.
      *
-     * @param string $message
+     * @param string|Stringable $message
      */
     public function debug($message, array $context = []): bool
     {
@@ -243,8 +244,8 @@ public function debug($message, array $context = []): bool
     /**
      * Logs with an arbitrary level.
      *
-     * @param mixed  $level
-     * @param string $message
+     * @param string            $level
+     * @param string|Stringable $message
      */
     public function log($level, $message, array $context = []): bool
     {
@@ -312,9 +313,9 @@ public function log($level, $message, array $context = []): bool
      * {file}
      * {line}
      *
-     * @param mixed $message
+     * @param array|int|object|string $message
      *
-     * @return mixed
+     * @return array|int|object|string
      */
     protected function interpolate($message, array $context = [])
     {
diff --git a/system/Test/Mock/MockLogger.php b/system/Test/Mock/MockLogger.php
index 2ee2500b0679..22701e9ea8b8 100644
--- a/system/Test/Mock/MockLogger.php
+++ b/system/Test/Mock/MockLogger.php
@@ -95,6 +95,22 @@ class MockLogger
                 'notice',
                 'warning',
             ],
+            /*
+             * The default filename extension for log files.
+             * An extension of 'php' allows for protecting the log files via basic
+             * scripting, when they are to be stored under a publicly accessible directory.
+             *
+             * Note: Leaving it blank will default to 'log'.
+             */
+            'fileExtension' => '',
+
+            /*
+             * The file system permissions to be applied on newly created log files.
+             *
+             * IMPORTANT: This MUST be an integer (no quotes) and you MUST use octal
+             * integer notation (i.e. 0700, 0644, etc.)
+             */
+            'filePermissions' => 0644,
 
             // Logging Directory Path
             'path' => '',
diff --git a/tests/system/Log/Handlers/ErrorlogHandlerTest.php b/tests/system/Log/Handlers/ErrorlogHandlerTest.php
index f184f5a2db57..8910b21da21b 100644
--- a/tests/system/Log/Handlers/ErrorlogHandlerTest.php
+++ b/tests/system/Log/Handlers/ErrorlogHandlerTest.php
@@ -14,6 +14,7 @@
 use CodeIgniter\Log\Exceptions\LogException;
 use CodeIgniter\Test\CIUnitTestCase;
 use PHPUnit\Framework\MockObject\MockObject;
+use stdClass;
 
 /**
  * @internal
@@ -34,6 +35,39 @@ public function testErrorLoggingWithErrorLog(): void
         $this->assertTrue($logger->handle('error', 'Test message.'));
     }
 
+    public function testErrorLoggingWithArray(): void
+    {
+        $logger = $this->getMockedHandler(['handles' => ['critical', 'error']]);
+        $logger->method('errorLog')->willReturn(true);
+        $logger->expects($this->once())->method('errorLog')->with("ERROR --> Array\n(
+    [firstName] => John
+    [lastName] => Doe\n)\n\n", 0);
+        $this->assertTrue($logger->handle('error', ['firstName' => 'John', 'lastName' => 'Doe']));
+    }
+
+    public function testErrorLoggingWithInteger(): void
+    {
+        $logger = $this->getMockedHandler(['handles' => ['critical', 'error']]);
+        $logger->method('errorLog')->willReturn(true);
+        $logger->expects($this->once())->method('errorLog')->with("ERROR --> 123456\n", 0);
+        $this->assertTrue($logger->handle('error', 123456));
+    }
+
+    public function testErrorLoggingWithObject(): void
+    {
+        $logger = $this->getMockedHandler(['handles' => ['critical', 'error']]);
+
+        $obj            = new stdClass();
+        $obj->firstName = 'John';
+        $obj->lastName  = 'Doe';
+
+        $logger->method('errorLog')->willReturn(true);
+        $logger->expects($this->once())->method('errorLog')->with("ERROR --> stdClass Object\n(
+    [firstName] => John
+    [lastName] => Doe\n)\n\n", 0);
+        $this->assertTrue($logger->handle('error', $obj));
+    }
+
     /**
      * @return ErrorlogHandler&MockObject
      */
diff --git a/tests/system/Log/Handlers/FileHandlerTest.php b/tests/system/Log/Handlers/FileHandlerTest.php
index 050511a63465..6f7889c51be2 100644
--- a/tests/system/Log/Handlers/FileHandlerTest.php
+++ b/tests/system/Log/Handlers/FileHandlerTest.php
@@ -16,6 +16,7 @@
 use CodeIgniter\Test\Mock\MockLogger as LoggerConfig;
 use org\bovigo\vfs\vfsStream;
 use org\bovigo\vfs\vfsStreamDirectory;
+use stdClass;
 use Tests\Support\Log\Handlers\TestHandler;
 
 /**
@@ -77,6 +78,100 @@ public function testHandleCreateFile()
         $this->assertStringContainsString($expectedResult, $line);
     }
 
+    public function testHandleCreateFilePHP()
+    {
+        $config                                                = new LoggerConfig();
+        $config->handlers[TestHandler::class]['path']          = $this->start;
+        $config->handlers[TestHandler::class]['fileExtension'] = 'php';
+        $logger                                                = new MockFileLogger($config->handlers[TestHandler::class]);
+
+        $logger->setDateFormat('Y-m-d');
+        $date     = date('Y-m-d');
+        $expected = 'log-' . $date . '.php';
+        $logger->handle('info', 'This is a test log');
+
+        $fp     = fopen($config->handlers[TestHandler::class]['path'] . $expected, 'rb');
+        $result = stream_get_contents($fp);
+        fclose($fp);
+
+        // did the log file get created?
+        $expectedResult = "<?php defined('SYSTEMPATH') || exit('No direct script access allowed'); ?>\n\nINFO - " . $date . " --> This is a test log\n";
+        $this->assertSame($expectedResult, $result);
+    }
+
+    public function testHandleWithInteger()
+    {
+        $config                                       = new LoggerConfig();
+        $config->handlers[TestHandler::class]['path'] = $this->start;
+        $logger                                       = new MockFileLogger($config->handlers[TestHandler::class]);
+
+        $logger->setDateFormat('Y-m-d');
+        $date     = date('Y-m-d');
+        $expected = 'log-' . $date . '.log';
+        $logger->handle('info', 123456);
+
+        $fp     = fopen($config->handlers[TestHandler::class]['path'] . $expected, 'rb');
+        $result = stream_get_contents($fp);
+        fclose($fp);
+
+        // did the log file get created?
+        $expectedResult = 'INFO - ' . $date . " --> 123456\n";
+        $this->assertSame($expectedResult, $result);
+    }
+
+    public function testHandleWithArray()
+    {
+        $config                                       = new LoggerConfig();
+        $config->handlers[TestHandler::class]['path'] = $this->start;
+        $logger                                       = new MockFileLogger($config->handlers[TestHandler::class]);
+
+        $logger->setDateFormat('Y-m-d');
+        $date    = date('Y-m-d');
+        $arrData = [
+            'firstName' => 'John',
+            'lastName'  => 'Doe',
+        ];
+        $expected = 'log-' . $date . '.log';
+        $logger->handle('info', print_r($arrData, true));
+
+        $fp     = fopen($config->handlers[TestHandler::class]['path'] . $expected, 'rb');
+        $result = stream_get_contents($fp);
+        fclose($fp);
+
+        // did the log file get created?
+        $expectedResult = 'INFO - ' . $date . " --> Array\n(
+    [firstName] => John
+    [lastName] => Doe\n)\n\n";
+        $this->assertSame($expectedResult, $result);
+    }
+
+    public function testHandleWithObject()
+    {
+        $config                                       = new LoggerConfig();
+        $config->handlers[TestHandler::class]['path'] = $this->start;
+        $logger                                       = new MockFileLogger($config->handlers[TestHandler::class]);
+
+        $logger->setDateFormat('Y-m-d');
+        $date = date('Y-m-d');
+
+        $obj            = new stdClass();
+        $obj->firstName = 'John';
+        $obj->lastName  = 'Doe';
+
+        $expected = 'log-' . $date . '.log';
+        $logger->handle('info', print_r($obj, true));
+
+        $fp     = fopen($config->handlers[TestHandler::class]['path'] . $expected, 'rb');
+        $result = stream_get_contents($fp);
+        fclose($fp);
+
+        // did the log file get created?
+        $expectedResult = 'INFO - ' . $date . " --> stdClass Object\n(
+    [firstName] => John
+    [lastName] => Doe\n)\n\n";
+        $this->assertSame($expectedResult, $result);
+    }
+
     public function testHandleDateTimeCorrectly()
     {
         $config                                       = new LoggerConfig();