diff --git a/system/Common.php b/system/Common.php
index 476348caaea0..28fc3cb52f5e 100644
--- a/system/Common.php
+++ b/system/Common.php
@@ -38,6 +38,7 @@
  */
 
 use Config\App;
+use Config\View;
 use Config\Logger;
 use Config\Database;
 use Config\Services;
@@ -1069,8 +1070,9 @@ function view(string $name, array $data = [], array $options = []): string
 		 */
 		$renderer = Services::renderer();
 
-		$saveData = true;
-		if (array_key_exists('saveData', $options) && $options['saveData'] === true)
+		$saveData = config(View::class)->saveData;
+
+		if (array_key_exists('saveData', $options))
 		{
 			$saveData = (bool) $options['saveData'];
 			unset($options['saveData']);
diff --git a/system/View/Parser.php b/system/View/Parser.php
index fcdd0ed15c22..051b059e0293 100644
--- a/system/View/Parser.php
+++ b/system/View/Parser.php
@@ -93,11 +93,11 @@ class Parser extends View
 	/**
 	 * Constructor
 	 *
-	 * @param \Config\View $config
-	 * @param string       $viewPath
-	 * @param mixed        $loader
-	 * @param boolean      $debug
-	 * @param LoggerInterface	$logger
+	 * @param \Config\View    $config
+	 * @param string          $viewPath
+	 * @param mixed           $loader
+	 * @param boolean         $debug
+	 * @param LoggerInterface $logger
 	 */
 	public function __construct($config, string $viewPath = null, $loader = null, bool $debug = null, LoggerInterface $logger = null)
 	{
@@ -157,20 +157,25 @@ public function render(string $view, array $options = null, bool $saveData = nul
 			throw ViewException::forInvalidFile($file);
 		}
 
+		if (is_null($this->tempData))
+		{
+			$this->tempData = $this->data;
+		}
+
 		$template = file_get_contents($file);
-		$output   = $this->parse($template, $this->data, $options);
+		$output   = $this->parse($template, $this->tempData, $options);
 		$this->logPerformance($start, microtime(true), $view);
 
-		if (! $saveData)
+		if ($saveData)
 		{
-			$this->data = [];
+			$this->data = $this->tempData;
 		}
 		// Should we cache?
 		if (isset($options['cache']))
 		{
 			cache()->save($cacheName, $output, (int) $options['cache']);
 		}
-
+		$this->tempData = null;
 		return $output;
 	}
 
@@ -196,14 +201,22 @@ public function renderString(string $template, array $options = null, bool $save
 			$saveData = $this->config->saveData;
 		}
 
-		$output = $this->parse($template, $this->data, $options);
+		if (is_null($this->tempData))
+		{
+			$this->tempData = $this->data;
+		}
+
+		$output = $this->parse($template, $this->tempData, $options);
 
 		$this->logPerformance($start, microtime(true), $this->excerpt($template));
 
-		if (! $saveData)
+		if ($saveData)
 		{
-			$this->data = [];
+			$this->data = $this->tempData;
 		}
+
+		$this->tempData = null;
+
 		return $output;
 	}
 
@@ -243,7 +256,8 @@ public function setData(array $data = [], string $context = null): RendererInter
 			}
 		}
 
-		$this->data = array_merge($this->data, $data);
+		$this->tempData = $this->tempData ?? $this->data;
+		$this->tempData = array_merge($this->tempData, $data);
 
 		return $this;
 	}
@@ -532,7 +546,14 @@ protected function parseConditionals(string $template): string
 
 		// Parse the PHP itself, or insert an error so they can debug
 		ob_start();
-		extract($this->data);
+
+		if (is_null($this->tempData))
+		{
+			$this->tempData = $this->data;
+		}
+
+		extract($this->tempData);
+
 		try
 		{
 			eval('?>' . $template . '<?php ');
@@ -542,6 +563,7 @@ protected function parseConditionals(string $template): string
 			ob_end_clean();
 			throw ViewException::forTagSyntaxError(str_replace(['?>', '<?php '], '', $template));
 		}
+
 		return ob_get_clean();
 	}
 
diff --git a/system/View/View.php b/system/View/View.php
index 01241dd60d86..ff138dd74a85 100644
--- a/system/View/View.php
+++ b/system/View/View.php
@@ -58,6 +58,11 @@ class View implements RendererInterface
 	 */
 	protected $data = [];
 
+	/**
+	 * Merge savedData and userData
+	 */
+	protected $tempData = null;
+
 	/**
 	 * The base directory to look in for our Views.
 	 *
@@ -189,11 +194,10 @@ public function render(string $view, array $options = null, bool $saveData = nul
 		// Store the results here so even if
 		// multiple views are called in a view, it won't
 		// clean it unless we mean it to.
-		if ($saveData !== null)
+		if (is_null($saveData))
 		{
-			$this->saveData = $saveData;
+			$saveData = $this->saveData;
 		}
-
 		$fileExt                     = pathinfo($view, PATHINFO_EXTENSION);
 		$realPath                    = empty($fileExt) ? $view . '.php' : $view; // allow Views as .html, .tpl, etc (from CI3)
 		$this->renderVars['view']    = $realPath;
@@ -225,11 +229,17 @@ public function render(string $view, array $options = null, bool $saveData = nul
 		}
 
 		// Make our view data available to the view.
-		extract($this->data);
 
-		if (! $this->saveData)
+		if (is_null($this->tempData))
 		{
-			$this->data = [];
+			$this->tempData = $this->data;
+		}
+
+		extract($this->tempData);
+
+		if ($saveData)
+		{
+			$this->data = $this->tempData;
 		}
 
 		ob_start();
@@ -277,6 +287,8 @@ public function render(string $view, array $options = null, bool $saveData = nul
 			cache()->save($this->renderVars['cacheName'], $output, (int) $this->renderVars['options']['cache']);
 		}
 
+		$this->tempData = null;
+
 		return $output;
 	}
 
@@ -300,16 +312,22 @@ public function render(string $view, array $options = null, bool $saveData = nul
 	public function renderString(string $view, array $options = null, bool $saveData = null): string
 	{
 		$start = microtime(true);
+
 		if (is_null($saveData))
 		{
-			$saveData = $this->config->saveData;
+			$saveData = $this->saveData;
 		}
 
-		extract($this->data);
+		if (is_null($this->tempData))
+		{
+			$this->tempData = $this->data;
+		}
+
+		extract($this->tempData);
 
-		if (! $saveData)
+		if ($saveData)
 		{
-			$this->data = [];
+			$this->data = $this->tempData;
 		}
 
 		ob_start();
@@ -320,6 +338,8 @@ public function renderString(string $view, array $options = null, bool $saveData
 
 		$this->logPerformance($start, microtime(true), $this->excerpt($view));
 
+		$this->tempData = null;
+
 		return $output;
 	}
 
@@ -355,7 +375,8 @@ public function setData(array $data = [], string $context = null): RendererInter
 			$data = \esc($data, $context);
 		}
 
-		$this->data = array_merge($this->data, $data);
+		$this->tempData = $this->tempData ?? $this->data;
+		$this->tempData = array_merge($this->tempData, $data);
 
 		return $this;
 	}
@@ -379,7 +400,8 @@ public function setVar(string $name, $value = null, string $context = null): Ren
 			$value = \esc($value, $context);
 		}
 
-		$this->data[$name] = $value;
+		$this->tempData        = $this->tempData ?? $this->data;
+		$this->tempData[$name] = $value;
 
 		return $this;
 	}
@@ -407,7 +429,7 @@ public function resetData(): RendererInterface
 	 */
 	public function getData(): array
 	{
-		return $this->data;
+		return is_null($this->tempData) ? $this->data : $this->tempData;
 	}
 
 	//--------------------------------------------------------------------
diff --git a/tests/_support/View/Views/simples.php b/tests/_support/View/Views/simples.php
new file mode 100644
index 000000000000..74c2b3710760
--- /dev/null
+++ b/tests/_support/View/Views/simples.php
@@ -0,0 +1 @@
+<h1><?= $testString ?? 'is_not' ?></h1>
\ No newline at end of file
diff --git a/tests/system/CommonFunctionsTest.php b/tests/system/CommonFunctionsTest.php
index a855d0ceb296..2853b6d08fc3 100644
--- a/tests/system/CommonFunctionsTest.php
+++ b/tests/system/CommonFunctionsTest.php
@@ -25,7 +25,8 @@ class CommonFunctionsTest extends \CodeIgniter\Test\CIUnitTestCase
 	protected function setUp(): void
 	{
 		parent::setUp();
-
+		$renderer = Services::renderer();
+		$renderer->resetData();
 		unset($_ENV['foo'], $_SERVER['foo']);
 	}
 
@@ -429,4 +430,14 @@ public function testTrace()
 		$this->assertStringContainsString('Debug Backtrace', $content);
 	}
 
+	public function testViewNotSaveData()
+	{
+		$data = [
+			'testString' => 'bar',
+			'bar'        => 'baz',
+		];
+		$this->assertStringContainsString('<h1>bar</h1>', view('\Tests\Support\View\Views\simples', $data, ['saveData' => false]));
+		$this->assertStringContainsString('<h1>is_not</h1>', view('\Tests\Support\View\Views\simples'));
+	}
+
 }
diff --git a/tests/system/View/ParserTest.php b/tests/system/View/ParserTest.php
index b25927d7eb47..6ab515340af1 100644
--- a/tests/system/View/ParserTest.php
+++ b/tests/system/View/ParserTest.php
@@ -940,27 +940,31 @@ public function testRenderCantFindView()
 
 	public function testRenderSavingData()
 	{
-		$parser = new Parser($this->config, $this->viewsDir, $this->loader);
+		$parser   = new Parser($this->config, $this->viewsDir, $this->loader);
+		$expected = "<h1>Hello World</h1>\n";
+
 		$parser->setData(['testString' => 'Hello World']);
+		$this->assertEquals($expected, $parser->render('Simpler', [], false));
+		$this->assertArrayNotHasKey('testString', $parser->getData());
 
-		$expected = "<h1>Hello World</h1>\n";
+		$parser->setData(['testString' => 'Hello World']);
 		$this->assertEquals($expected, $parser->render('Simpler', [], true));
 		$this->assertArrayHasKey('testString', $parser->getData());
-		$this->assertEquals($expected, $parser->render('Simpler', [], false));
-		$this->assertArrayNotHasKey('testString', $parser->getData());
 	}
 
 	public function testRenderStringSavingData()
 	{
-		$parser = new Parser($this->config, $this->viewsDir, $this->loader);
-		$parser->setData(['testString' => 'Hello World']);
-
+		$parser   = new Parser($this->config, $this->viewsDir, $this->loader);
 		$expected = '<h1>Hello World</h1>';
 		$pattern  = '<h1>{testString}</h1>';
-		$this->assertEquals($expected, $parser->renderString($pattern, [], true));
-		$this->assertArrayHasKey('testString', $parser->getData());
+
+		$parser->setData(['testString' => 'Hello World']);
 		$this->assertEquals($expected, $parser->renderString($pattern, [], false));
 		$this->assertArrayNotHasKey('testString', $parser->getData());
+		//last set data is not saved
+		$parser->setData(['testString' => 'Hello World']);
+		$this->assertEquals($expected, $parser->renderString($pattern, [], true));
+		$this->assertArrayHasKey('testString', $parser->getData());
 	}
 
 	public function testRenderFindsOtherView()
diff --git a/tests/system/View/ViewTest.php b/tests/system/View/ViewTest.php
index 7827ee048cc5..c58c358488aa 100644
--- a/tests/system/View/ViewTest.php
+++ b/tests/system/View/ViewTest.php
@@ -230,14 +230,17 @@ public function testCachedRender()
 
 	public function testRenderStringSavingData()
 	{
-		$view = new View($this->config, $this->viewsDir, $this->loader);
+		$view     = new View($this->config, $this->viewsDir, $this->loader);
+		$expected = '<h1>Hello World</h1>';
 
+		//I think saveData is sava current data, is not clean already set data.
 		$view->setVar('testString', 'Hello World');
-		$expected = '<h1>Hello World</h1>';
-		$this->assertEquals($expected, $view->renderString('<h1><?= $testString ?></h1>', [], true));
-		$this->assertArrayHasKey('testString', $view->getData());
 		$this->assertEquals($expected, $view->renderString('<h1><?= $testString ?></h1>', [], false));
 		$this->assertArrayNotHasKey('testString', $view->getData());
+
+		$view->setVar('testString', 'Hello World');
+		$this->assertEquals($expected, $view->renderString('<h1><?= $testString ?></h1>', [], true));
+		$this->assertArrayHasKey('testString', $view->getData());
 	}
 
 	//--------------------------------------------------------------------
@@ -343,4 +346,22 @@ public function testRenderLayoutNoContentSection()
 		$this->assertStringContainsString($expected, $view->render('apples'));
 	}
 
+	public function testRenderSaveDataCover()
+	{
+		$view = new View($this->config, $this->viewsDir, $this->loader);
+		$this->setPrivateProperty($view, 'saveData', true);
+		$view->setVar('testString', 'test');
+		$view->render('simple', null, false);
+		$this->assertEquals(true, $this->getPrivateProperty($view, 'saveData'));
+	}
+
+	public function testRenderSaveDataUseAflterSaveDataFalse()
+	{
+		$view = new View($this->config, $this->viewsDir, $this->loader);
+		$view->setVar('testString', 'test');
+		$view->render('simple', null, true);
+		$view->render('simple', null, false);
+		$this->assertStringContainsString('<h1>test</h1>', $view->render('simple', null, false));
+	}
+
 }
diff --git a/tests/system/View/Views/simple.php b/tests/system/View/Views/simple.php
index 5bb1d81f9fc9..afd6c25fe226 100644
--- a/tests/system/View/Views/simple.php
+++ b/tests/system/View/Views/simple.php
@@ -1 +1 @@
-<h1><?= $testString ?></h1>
+<h1><?= $testString ?></h1>
\ No newline at end of file