Merge branch 'release/5.6.0'

version bump
added changelog
2026-08-04 04:24:18 +02:00 · 2025-10-03 23:22:25 +02:00 · 2025-10-03 23:22:23 +02:00 · 2025-10-03 23:19:22 +02:00 · 2025-10-03 23:17:55 +02:00 · 2025-08-26 10:38:06 +02:00
40 changed files with 1995 additions and 1094 deletions
@@ -0,0 +1 @@
+github: [wisskid]
@@ -38,31 +38,10 @@ jobs:
        compiler:
          - default

-        include:
-          - os: ubuntu-latest
-            php-version: "8.0"
-            compiler: jit
-          - os: ubuntu-latest
-            php-version: "8.1"
-            compiler: jit
-          - os: ubuntu-latest
-            php-version: "8.2"
-            compiler: jit
-          - os: ubuntu-latest
-            php-version: "8.3"
-            compiler: jit
-          - os: ubuntu-latest
-            php-version: "8.4"
-            compiler: jit
-
    steps:
    - name: Checkout
      uses: actions/checkout@v4

-    - name: Override PHP ini values for JIT compiler
-      if: matrix.compiler == 'jit'
-      run: echo "PHP_INI_VALUES::assert.exception=1, zend.assertions=1, opcache.enable=1, opcache.enable_cli=1, opcache.optimization_level=-1, opcache.jit=1255, opcache.jit_buffer_size=32M" >> $GITHUB_ENV
-
    - name: Install PHP with extensions
      uses: shivammathur/setup-php@v2
      with:
@@ -6,6 +6,36 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0

 ## [Unreleased]

+## [5.6.0] - 2025-10-03
+- Added support for shorttags in functions [#1005](https://github.com/smarty-php/smarty/issues/1005)
+
+
+## [5.5.2] - 2025-08-26
+
+
+- Fixed escaping of array/object keys in debug_print_var
+
+## [5.5.1] - 2025-05-19
+- Fix missing support for loading modifiercompilers from plugin dir in BCPluginsAdapter [#1132](https://github.com/smarty-php/smarty/pull/1132)
+
+
+## [5.5.0] - 2025-05-03
+- Support trailing comma in array [#1013](https://github.com/smarty-php/smarty/issues/1013)
+
+
+## [5.4.5] - 2025-04-15
+- Fixed deprecation notice in StringEval in PHP8.4 [#1119](https://github.com/smarty-php/smarty/issues/1119)
+
+
+## [5.4.4] - 2025-04-13
+- Fix syntax error occurring when registering a function plugin that ends with the string 'close' [#1122](https://github.com/smarty-php/smarty/issues/1122)
+- Replace SMARTY_VERSION constant with $smarty.version in debug.tpl [#1073](https://github.com/smarty-php/smarty/issues/1073)
+
+
+## [5.4.3] - 2024-12-23
+- Fix PHP backtraces by qualifying/replacing `call_user_func_array` calls [#1074](https://github.com/smarty-php/smarty/issues/1074)
+
+
 ## [5.4.2] - 2024-11-20


@@ -18,3 +18,11 @@ composer require smarty/smarty
 ````

 More in the [Getting Started](./docs/getting-started.md) section of the docs.
+
+## Sponsors
+
+Smarty is sponsored by:
+- Marc Laporte [@marclaporte](https://github.com/marclaporte)
+- [Temma](https://github.com/Digicreon/Temma), the MVC framework based on Smarty
+
+Thank you!
@@ -0,0 +1,10 @@
+# empty
+
+Returns true if var does not exist or has a value that is empty or equal to zero, aka falsey, see conversion to boolean. Otherwise returns false.
+
+## Basic usage
+
+```smarty
+{if $myVar|empty}it's an empty variable{/if}
+{if empty($myVar)}it's an empty variable{/if}
+```
@@ -0,0 +1,17 @@
+# in_array
+
+test if value is contained in an array
+
+## Basic usage
+
+```smarty
+{if in_array('value2', $myarray)} value2 is in myarray{/if}
+```
+
+Can be replaced by operator *is in*
+
+```smarty
+{if 'value2' is in $myarray}value2 is in myarray{/if}
+```
+
+See Also [operators](../language-basic-syntax/language-syntax-operators.md)
@@ -1,7 +1,7 @@
 # Getting started

 ## Requirements
-Smarty can be run with PHP 7.2 to PHP 8.3.
+Smarty can be run with PHP 7.2 to PHP 8.4.

 ## Installation
 Smarty can be installed with [Composer](https://getcomposer.org/).
@@ -0,0 +1,30 @@
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+<style type="text/css">
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+	.st1{fill:#FFFFFF;}
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+	C343.3,4.3,339,0,333.8,0z"/>
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+		c0,4.9,3.8,9.1,8.6,9.6c0.3,0,0.7,0.1,1,0.1c5.3,0,9.5-4.4,9.5-9.6v-7.5l3.3-3l14.5,16.4c0.6,0.6,1.3,1.3,2.1,1.9
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+	<circle class="st1" cx="293.3" cy="106.7" r="9.5"/>
+</g>
+</svg>
@@ -0,0 +1,68 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   width="195mm"
+   height="43.093071mm"
+   viewBox="0 0 195 43.093071"
+   version="1.1"
+   id="svg1156"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:svg="http://www.w3.org/2000/svg">
+  <defs
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@@ -32,4 +32,14 @@ and 480 for $height, the result is:
 - [Troubleshooting](./appendixes/troubleshooting.md)

 ## Source code
- [Smarty repository at GitHub](https://github.com/smarty-php/smarty)
+- [Smarty repository at GitHub](https://github.com/smarty-php/smarty)
+
+## Sponsors
+
+### <img src="img/iwink-logo.svg" alt="iWink logo" width="100">
+
+[iWink](https://www.iwink.nl/), fullservice digital agency
+
+### <img src="img/temma-logo.svg" alt="Temma logo" width="100">
+
+[Temma](https://www.temma.net/), the MVC framework based on Smarty
@@ -49,6 +49,11 @@ $smarty->registerPlugin('modifier', 'my_special_func', 'my_special_func');

 But you may want to consider writing a proper [extension](api/extending/extensions.md).

+#### Passing parameters by reference
+You cannot use plugins that expect a parameter by reference anymore. PHP-function such as `reset()`, `prev()`, 
+`next()` and `end()` can be registered as plugin, but they won't work because they expect a parameter by 
+reference and Smarty will try to pass it by value.
+
 ### Removed undocumented tags

 Smarty 4 still supported some tags that have been carried over from previous version, but have never been documented.
@@ -102,6 +107,15 @@ Search your code for the following changes:
 - `$smarty->assignByRef()` should be replaced with `$smarty->assign()`
 - `$smarty->loadPlugin()` should be replaced with `$smarty->registerPlugin()`

+### Removed undocumented magic API methods
+
+Smarty v4 allowed setting (internal) properties for which no setter existed by using magic methods 
+that start with either `set` or `get`. This has been removed in Smarty 5.
+
+For example, `$smarty->setErrorUnassigned(true);` would set the `error_unassigned` property.
+
+Every setter of getter that was ever documented or unit tested has been kept.
+
 ### Removed PHP constants

 The following constants have been removed to prevent global side effects.
@@ -57,9 +57,11 @@ nav:
        - 'date_format': 'designers/language-modifiers/language-modifier-date-format.md'
        - 'debug_print_var': 'designers/language-modifiers/language-modifier-debug-print-var.md'
        - 'default': 'designers/language-modifiers/language-modifier-default.md'
+        - 'empty': "designers/language-modifiers/language-modifier-empty.md"
        - 'escape': 'designers/language-modifiers/language-modifier-escape.md'
        - 'from_charset': 'designers/language-modifiers/language-modifier-from-charset.md'
        - 'indent': 'designers/language-modifiers/language-modifier-indent.md'
+        - 'in_array': 'designers/language-modifiers/language-modifier-in_array.md'
        - 'is_array': 'designers/language-modifiers/language-modifier-is_array.md'
        - 'isset': 'designers/language-modifiers/language-modifier-isset.md'
        - 'join': 'designers/language-modifiers/language-modifier-join.md'
@@ -14,6 +14,6 @@ class BlockPluginWrapper extends Base {
 	}

 	public function handle($params, $content, Template $template, &$repeat) {
-		return call_user_func_array($this->callback, [$params, $content, &$template, &$repeat]);
+		return \call_user_func_array($this->callback, [$params, $content, &$template, &$repeat]);
 	}
 }
@@ -0,0 +1,144 @@
+<?php
+
+namespace Smarty\Compile;
+
+/**
+ * This class handles compiling the attributes.
+ */
+class AttributeCompiler
+{
+	/**
+	 * Array of names of required attributes required by tag
+	 *
+	 * @var array
+	 */
+	protected $required_attributes = [];
+
+	/**
+	 * Array of names of optional attribute required by tag
+	 * use array('_any') if there is no restriction of attributes names
+	 *
+	 * @var array
+	 */
+	protected $optional_attributes = [];
+
+	/**
+	 * Shorttag attribute order defined by its names
+	 *
+	 * @var array
+	 */
+	protected $shorttag_order = [];
+
+	/**
+	 * Array of names of valid option flags
+	 *
+	 * @var array
+	 */
+	protected $option_flags = [];
+
+	public function __construct(
+		array $required_attributes = [],
+		array $optional_attributes = [],
+		array $shorttag_order = [],
+		array $option_flags = []
+	) {
+		$this->required_attributes = $required_attributes;
+		$this->optional_attributes = $optional_attributes;
+		$this->shorttag_order = $shorttag_order;
+		$this->option_flags = $option_flags;
+	}
+
+	/**
+	 * This function checks if the attributes passed are valid
+	 * The attributes passed for the tag to compile are checked against the list of required and
+	 * optional attributes. Required attributes must be present. Optional attributes are check against
+	 * the corresponding list. The keyword '_any' specifies that any attribute will be accepted
+	 * as valid
+	 *
+	 * @param object $compiler compiler object
+	 * @param array $attributes attributes applied to the tag
+	 *
+	 * @return array  of mapped attributes for further processing
+	 */
+	public function getAttributes($compiler, $attributes)
+	{
+		$_indexed_attr = [];
+		$options = array_fill_keys($this->option_flags, true);
+		foreach ($attributes as $key => $mixed) {
+			// shorthand ?
+			if (!is_array($mixed)) {
+				// options flag ?
+				if (isset($options[trim($mixed, '\'"')])) {
+					$_indexed_attr[trim($mixed, '\'"')] = true;
+					// shorthand attribute ?
+				} elseif (isset($this->shorttag_order[$key])) {
+					$_indexed_attr[$this->shorttag_order[$key]] = $mixed;
+				} else {
+					// too many shorthands
+					$compiler->trigger_template_error('too many shorthand attributes', null, true);
+				}
+				// named attribute
+			} else {
+				foreach ($mixed as $k => $v) {
+					// options flag?
+					if (isset($options[$k])) {
+						if (is_bool($v)) {
+							$_indexed_attr[$k] = $v;
+						} else {
+							if (is_string($v)) {
+								$v = trim($v, '\'" ');
+							}
+
+							// Mapping array for boolean option value
+							static $optionMap = [1 => true, 0 => false, 'true' => true, 'false' => false];
+
+							if (isset($optionMap[$v])) {
+								$_indexed_attr[$k] = $optionMap[$v];
+							} else {
+								$compiler->trigger_template_error(
+									"illegal value '" . var_export($v, true) .
+									"' for options flag '{$k}'",
+									null,
+									true
+								);
+							}
+						}
+						// must be named attribute
+					} else {
+						$_indexed_attr[$k] = $v;
+					}
+				}
+			}
+		}
+		// check if all required attributes present
+		foreach ($this->required_attributes as $attr) {
+			if (!isset($_indexed_attr[$attr])) {
+				$compiler->trigger_template_error("missing '{$attr}' attribute", null, true);
+			}
+		}
+		// check for not allowed attributes
+		if ($this->optional_attributes !== ['_any']) {
+			$allowedAttributes = array_fill_keys(
+				array_merge(
+					$this->required_attributes,
+					$this->optional_attributes,
+					$this->option_flags
+				),
+				true
+			);
+			foreach ($_indexed_attr as $key => $dummy) {
+				if (!isset($allowedAttributes[$key]) && $key !== 0) {
+					$compiler->trigger_template_error("unexpected '{$key}' attribute", null, true);
+				}
+			}
+		}
+		// default 'false' for all options flags not set
+		foreach ($this->option_flags as $flag) {
+			if (!isset($_indexed_attr[$flag])) {
+				$_indexed_attr[$flag] = false;
+			}
+		}
+
+		return $_indexed_attr;
+	}
+}
@@ -82,84 +82,12 @@ abstract class Base implements CompilerInterface {
 	 * @return array  of mapped attributes for further processing
 	 */
 	protected function getAttributes($compiler, $attributes) {
-		$_indexed_attr = [];
-		$options = array_fill_keys($this->option_flags, true);
-		foreach ($attributes as $key => $mixed) {
-			// shorthand ?
-			if (!is_array($mixed)) {
-				// options flag ?
-				if (isset($options[trim($mixed, '\'"')])) {
-					$_indexed_attr[trim($mixed, '\'"')] = true;
-					// shorthand attribute ?
-				} elseif (isset($this->shorttag_order[$key])) {
-					$_indexed_attr[$this->shorttag_order[$key]] = $mixed;
-				} else {
-					// too many shorthands
-					$compiler->trigger_template_error('too many shorthand attributes', null, true);
-				}
-				// named attribute
-			} else {
-				foreach ($mixed as $k => $v) {
-					// options flag?
-					if (isset($options[$k])) {
-						if (is_bool($v)) {
-							$_indexed_attr[$k] = $v;
-						} else {
-							if (is_string($v)) {
-								$v = trim($v, '\'" ');
-							}
-
-							// Mapping array for boolean option value
-							static $optionMap = [1 => true, 0 => false, 'true' => true, 'false' => false];
-
-							if (isset($optionMap[$v])) {
-								$_indexed_attr[$k] = $optionMap[$v];
-							} else {
-								$compiler->trigger_template_error(
-									"illegal value '" . var_export($v, true) .
-									"' for options flag '{$k}'",
-									null,
-									true
-								);
-							}
-						}
-						// must be named attribute
-					} else {
-						$_indexed_attr[$k] = $v;
-					}
-				}
-			}
-		}
-		// check if all required attributes present
-		foreach ($this->required_attributes as $attr) {
-			if (!isset($_indexed_attr[$attr])) {
-				$compiler->trigger_template_error("missing '{$attr}' attribute", null, true);
-			}
-		}
-		// check for not allowed attributes
-		if ($this->optional_attributes !== ['_any']) {
-			$allowedAttributes = array_fill_keys(
-				array_merge(
-					$this->required_attributes,
-					$this->optional_attributes,
-					$this->option_flags
-				),
-				true
-			);
-			foreach ($_indexed_attr as $key => $dummy) {
-				if (!isset($allowedAttributes[$key]) && $key !== 0) {
-					$compiler->trigger_template_error("unexpected '{$key}' attribute", null, true);
-				}
-			}
-		}
-		// default 'false' for all options flags not set
-		foreach ($this->option_flags as $flag) {
-			if (!isset($_indexed_attr[$flag])) {
-				$_indexed_attr[$flag] = false;
-			}
-		}
-
-		return $_indexed_attr;
+		return (new AttributeCompiler(
+			$this->required_attributes,
+			$this->optional_attributes,
+			$this->shorttag_order,
+			$this->option_flags
+		))->getAttributes($compiler, $attributes);
 	}

 	/**
@@ -3,24 +3,18 @@
 * Smarty Internal Plugin Compile Registered Function
 * Compiles code for the execution of a registered function
 *
-
-
 * @author     Uwe Tews
 */

 namespace Smarty\Compile;

 use Smarty\Compiler\Template;
-use Smarty\CompilerException;
+use Smarty\FunctionHandler\AttributeFunctionHandlerInterface;

 /**
 * Smarty Internal Plugin Compile Registered Function Class
- *
-
-
 */
 class FunctionCallCompiler extends Base {
-
 	/**
 	 * Attribute definition: Overwrites base class.
 	 *
@@ -51,17 +45,27 @@ class FunctionCallCompiler extends Base {
 	 */
 	public function compile($args, Template $compiler, $parameter = [], $tag = null, $function = null): string
 	{
-
-		// check and get attributes
-		$_attr = $this->getAttributes($compiler, $args);
-		unset($_attr['nocache']);
-
-		$_paramsArray = $this->formatParamsArray($_attr);
-		$_params = 'array(' . implode(',', $_paramsArray) . ')';
-
-
 		if ($functionHandler = $compiler->getSmarty()->getFunctionHandler($function)) {

+			$attribute_overrides = [];
+
+			if ($functionHandler instanceof AttributeFunctionHandlerInterface) {
+				$attribute_overrides = $functionHandler->getSupportedAttributes();
+			}
+
+			// check and get attributes
+			$_attr = (new AttributeCompiler(
+				$attribute_overrides['required_attributes'] ?? $this->required_attributes,
+				$attribute_overrides['optional_attributes'] ?? $this->optional_attributes,
+				$attribute_overrides['shorttag_order'] ?? $this->shorttag_order,
+				$attribute_overrides['option_flags'] ?? $this->option_flags
+			))->getAttributes($compiler, $args);
+
+			unset($_attr['nocache']);
+
+			$_paramsArray = $this->formatParamsArray($_attr);
+			$_params = 'array(' . implode(',', $_paramsArray) . ')';
+
 			// not cacheable?
 			$compiler->tag_nocache = $compiler->tag_nocache || !$functionHandler->isCacheable();
 			$output = "\$_smarty_tpl->getSmarty()->getFunctionHandler(" . var_export($function, true) . ")";
@@ -505,7 +505,7 @@ class Template extends BaseCompiler {
 	 *
 	 * @return string
 	 */
-	public function compileVariable($variable) {
+	public function triggerTagNoCache($variable): void {
 		if (!strpos($variable, '(')) {
 			// not a variable variable
 			$var = trim($variable, '\'');
@@ -516,7 +516,6 @@ class Template extends BaseCompiler {
 					false
 				)->isNocache();
 		}
-		return '$_smarty_tpl->getValue(' . $variable . ')';
 	}

 	/**
@@ -665,7 +664,7 @@ class Template extends BaseCompiler {
 		$script = null;
 		$cacheable = true;

-		$result = call_user_func_array(
+		$result = \call_user_func_array(
 			$defaultPluginHandlerFunc,
 			[
 				$tag,
@@ -1147,12 +1146,12 @@ class Template extends BaseCompiler {
 		}

 		// check if tag is a function
-		if ($this->smarty->getFunctionHandler($base_tag)) {
-			if (!isset($this->smarty->security_policy) || $this->smarty->security_policy->isTrustedTag($base_tag, $this)) {
+		if ($this->smarty->getFunctionHandler($tag)) {
+			if (!isset($this->smarty->security_policy) || $this->smarty->security_policy->isTrustedTag($tag, $this)) {
 				return (new \Smarty\Compile\PrintExpressionCompiler())->compile(
 					['nofilter'], // functions are never auto-escaped
 					$this,
-					['value' =>	$this->compileFunctionCall($base_tag, $args, $parameter)]
+					['value' =>	$this->compileFunctionCall($tag, $args, $parameter)]
 				);
 			}
 		}
@@ -1165,16 +1164,16 @@ class Template extends BaseCompiler {
 		}

 		// the default plugin handler is a handler of last resort, it may also handle not specifically registered tags.
-		if ($callback = $this->getPluginFromDefaultHandler($base_tag, Smarty::PLUGIN_COMPILER)) {
+		if ($callback = $this->getPluginFromDefaultHandler($tag, Smarty::PLUGIN_COMPILER)) {
 			if (!empty($parameter['modifierlist'])) {
-				throw new CompilerException('No modifiers allowed on ' . $base_tag);
+				throw new CompilerException('No modifiers allowed on ' . $tag);
 			}
 			$tagCompiler = new \Smarty\Compile\Tag\BCPluginWrapper($callback);
 			return $tagCompiler->compile($args, $this, $parameter);
 		}

 		if ($this->getPluginFromDefaultHandler($base_tag, Smarty::PLUGIN_FUNCTION)) {
-			return $this->defaultHandlerFunctionCallCompiler->compile($args, $this, $parameter, $tag, $base_tag);
+			return $this->defaultHandlerFunctionCallCompiler->compile($args, $this, $parameter, $tag, $tag);
 		}

 		if ($this->getPluginFromDefaultHandler($base_tag, Smarty::PLUGIN_BLOCK)) {
@@ -1281,9 +1280,10 @@ class Template extends BaseCompiler {
 		}
 		// call post compile callbacks
 		foreach ($this->postCompileCallbacks as $cb) {
-			$parameter = $cb;
-			$parameter[0] = $this;
-			call_user_func_array($cb[0], $parameter);
+			$callbackFunction = $cb[0];
+			$parameters = $cb;
+			$parameters[0] = $this;
+			$callbackFunction(...$parameters);
 		}
 		// return compiled code
 		return $this->prefixCompiledCode . $this->parser->retvalue . $this->postfixCompiledCode;
@@ -168,7 +168,6 @@ class BCPluginsAdapter extends Base {
 	}

 	public function loadPluginsFromDir(string $path) {
-
 		foreach([
 			'function',
 			'modifier',
@@ -177,6 +176,7 @@ class BCPluginsAdapter extends Base {
 		    'prefilter',
 		    'postfilter',
 		    'outputfilter',
+		    'modifiercompiler',
 		] as $type) {
 			foreach (glob($path  . $type . '.?*.php') as $filename) {
 				$pluginName = $this->getPluginNameFromFilename($filename);
@@ -226,4 +226,4 @@ class BCPluginsAdapter extends Base {
 		return $matches[1];
 	}

-}
+}
@@ -26,7 +26,7 @@ class CallbackWrapper {

 	public function handle(...$params) {
 		try {
-			return call_user_func_array($this->callback, $params);
+			return ($this->callback)(...$params);
 		} catch (\ArgumentCountError $e) {
 			throw new Exception("Invalid number of arguments to modifier " . $this->modifierName);
 		}
@@ -320,7 +320,7 @@ class DefaultExtension extends Base {
 					break;
 				}
 				foreach ($var as $curr_key => $curr_val) {
-					$results .= '<br>' . str_repeat('&nbsp;', $depth * 2) . '<b>' . strtr($curr_key, $_replace) .
+					$results .= '<br>' . str_repeat('&nbsp;', $depth * 2) . '<b>' . htmlspecialchars(strtr($curr_key, $_replace)) .
 						'</b> =&gt; ' .
 						$this->smarty_modifier_debug_print_var($curr_val, $max, $length, ++$depth, $objects);
 					$depth--;
@@ -338,7 +338,7 @@ class DefaultExtension extends Base {
 				}
 				$objects[] = $var;
 				foreach ($object_vars as $curr_key => $curr_val) {
-					$results .= '<br>' . str_repeat('&nbsp;', $depth * 2) . '<b> -&gt;' . strtr($curr_key, $_replace) .
+					$results .= '<br>' . str_repeat('&nbsp;', $depth * 2) . '<b> -&gt;' . htmlspecialchars(strtr($curr_key, $_replace)) .
 						'</b> = ' . $this->smarty_modifier_debug_print_var($curr_val, $max, $length, ++$depth, $objects);
 					$depth--;
 				}
@@ -0,0 +1,77 @@
+<?php
+
+namespace Smarty\FunctionHandler;
+
+use Smarty\Template;
+
+/**
+ * Abstract implementation for function handlers which support custom attributes
+ */
+abstract class AttributeBase implements AttributeFunctionHandlerInterface
+{
+	/**
+	 * Array of names of required attribute required by tag
+	 *
+	 * @var array
+	 */
+	protected array $required_attributes = [];
+
+	/**
+	 * Array of names of optional attribute required by tag
+	 * use array('_any') if there is no restriction of attributes names
+	 *
+	 * @var array
+	 */
+	protected array $optional_attributes = [];
+
+	/**
+	 * Shorttag attribute order defined by its names
+	 *
+	 * @var array
+	 */
+	protected array $shorttag_order = [];
+
+	/**
+	 * Array of names of valid option flags
+	 *
+	 * @var array
+	 */
+	protected array $option_flags = [];
+
+	/**
+	 * Return whether the output is cacheable.
+	 * @var bool
+	 */
+	protected bool $cacheable = true;
+
+	/**
+	 * Return whether the output is cacheable.
+	 * @return bool
+	 */
+	public function isCacheable(): bool
+	{
+		return $this->cacheable;
+	}
+
+	/**
+	 * Function body
+	 * @param mixed $params The supplied parameters.
+	 * @param Smarty\Template $template 
+	 * @return mixed 
+	 */
+	abstract public function handle($params, Template $template): ?string;
+
+	/**
+	 * Return the support attributes for this function.
+	 * @return array<string, array> 
+	 */
+	public function getSupportedAttributes(): array
+	{
+		return [
+			'required_attributes' => $this->required_attributes,
+			'optional_attributes' => $this->optional_attributes,
+			'shorttag_order' => $this->shorttag_order,
+			'option_flags' => $this->option_flags,
+		];
+	}
+}
@@ -0,0 +1,15 @@
+<?php
+
+namespace Smarty\FunctionHandler;
+
+/**
+ * Function handler interface with support for specifying supported properties
+ */
+interface AttributeFunctionHandlerInterface extends FunctionHandlerInterface
+{
+	/**
+	 * Returns an array with the supported attributes, flags, and shorttags
+	 * @return array<string, array>
+	 */
+	public function getSupportedAttributes(): array;
+}
@@ -19,7 +19,7 @@ use \Smarty\ParseTree\Code;
 use \Smarty\ParseTree\Dq;
 use \Smarty\ParseTree\DqContent;
 use \Smarty\ParseTree\Tag;
-
+use \Smarty\CompilerException;

 /**
 * Smarty Template Parser Class
@@ -306,7 +306,8 @@ smartytag(A)   ::= SIMPELOUTPUT(B). {
        $attributes[] = 'nocache';
        $var = $match[1];
    }
-    A = $this->compiler->compilePrintExpression($this->compiler->compileVariable('\''.$var.'\''), $attributes);
+    $this->compiler->triggerTagNoCache($var);
+    A = $this->compiler->compilePrintExpression('$_smarty_tpl->getValue(\''.$var.'\')', $attributes);
 }

 // simple tag like {name}
@@ -375,7 +376,7 @@ outattr(A) ::= output(B) attributes(C). {
    A = array(B,C);
 }

-output(A) ::= variable(B). {
+output(A) ::= variablevalue(B). {
    A = B;
 }
 output(A) ::= value(B). {
@@ -689,7 +690,8 @@ nullcoalescing(res)        ::= expr(v) QMARK QMARK expr(e2). {
 // ternary
 //
 ternary(res)        ::= expr(v) QMARK DOLLARID(e1) COLON  expr(e2). {
-    res = v.' ? '. $this->compiler->compileVariable('\''.substr(e1,1).'\'') . ' : '.e2;
+    $this->compiler->triggerTagNoCache(substr(e1,1));
+    res = v.' ? $_smarty_tpl->getValue(\''.substr(e1,1).'\') : '.e2;
 }

 ternary(res)        ::= expr(v) QMARK value(e1) COLON expr(e2). {
@@ -706,7 +708,7 @@ ternary(res)        ::= expr(v) QMARK COLON expr(e2). {
 }

                 // value
-value(res)       ::= variable(v). {
+value(res)       ::= variablevalue(v). {
    res = v;
 }

@@ -724,7 +726,7 @@ value(res)       ::= TYPECAST(t) value(v). {
    res = t.v;
 }

-value(res)       ::= variable(v) INCDEC(o). {
+value(res)       ::= variablevalue(v) INCDEC(o). {
    res = v.o;
 }

@@ -771,10 +773,10 @@ value(res)       ::= OPENP expr(e) CLOSEP. {
    res = '('. e .')';
 }

-value(res)        ::= variable(v1) INSTANCEOF(i) ns1(v2). {
+value(res)        ::= variablevalue(v1) INSTANCEOF(i) ns1(v2). {
      res = v1.i.v2;
 }
-value(res)        ::= variable(v1) INSTANCEOF(i) variable(v2). {
+value(res)        ::= variablevalue(v1) INSTANCEOF(i) variablevalue(v2). {
      res = v1.i.v2;
 }

@@ -797,7 +799,8 @@ value(res)    ::= varindexed(vi) DOUBLECOLON static_class_access(r). {
    if (vi['var'] === '\'smarty\'') {
        $this->compiler->appendPrefixCode("<?php {$prefixVar} = ". (new \Smarty\Compile\SpecialVariableCompiler())->compile(array(),$this->compiler,vi['smarty_internal_index']).';?>');
     } else {
-        $this->compiler->appendPrefixCode("<?php  {$prefixVar} = ". $this->compiler->compileVariable(vi['var']).vi['smarty_internal_index'].';?>');
+        $this->compiler->triggerTagNoCache(vi['var']);
+        $this->compiler->appendPrefixCode("<?php  {$prefixVar} = \$_smarty_tpl->getValue(" . vi['var'] . ')'.vi['smarty_internal_index'].';?>');
    }
    res = $prefixVar .'::'.r[0].r[1];
 }
@@ -847,54 +850,88 @@ ns1(res)           ::= NAMESPACE(i). {
    }


+// variable lists

+// multiple variables
+variablelist(res)       ::= variablelist(l) COMMA variable(v). {
+    res = array_merge(l,array(v));
+}
+
+variablelist(res)       ::= variablelist(l) COMMA expr(e). {
+    res = array_merge(l,array(e));
+}
+
+// single variable
+variablelist(res)       ::= variable(v). {
+    res = array(v);
+}
+
+// single expression
+variablelist(res)       ::= expr(e). {
+    res = array(e);
+}
+
+// no variable
+variablelist(res)       ::= . {
+    res = array();
+}

 //
 // variables 
 //
                  // Smarty variable (optional array)
 variable(res)    ::= DOLLARID(i). {
-   res = $this->compiler->compileVariable('\''.substr(i,1).'\'');
+   $this->compiler->triggerTagNoCache(substr(i,1));
+   res = array('$_smarty_tpl->hasVariable(\''.substr(i,1).'\')','$_smarty_tpl->getValue(\''.substr(i,1).'\')');
 }
 variable(res)    ::= varindexed(vi). {
    if (vi['var'] === '\'smarty\'') {
        $smarty_var = (new \Smarty\Compile\SpecialVariableCompiler())->compile(array(),$this->compiler,vi['smarty_internal_index']);
-        res = $smarty_var;
+        res = array('true', $smarty_var);
    } else {
        // used for array reset,next,prev,end,current 
        $this->last_variable = vi['var'];
        $this->last_index = vi['smarty_internal_index'];
-        res = $this->compiler->compileVariable(vi['var']).vi['smarty_internal_index'];
+        $this->compiler->triggerTagNoCache(vi['var']);
+        res = array('true', '$_smarty_tpl->getValue(' . vi['var'] . ')'.vi['smarty_internal_index']);
    }
 }

                  // variable with property
 variable(res)    ::= varvar(v) AT ID(p). {
-    res = '$_smarty_tpl->getVariable('. v .')->'.p;
+    res = array('true', '$_smarty_tpl->getVariable('. v .')->'.p);
 }

                  // object
 variable(res)    ::= object(o). {
-    res = o;
+    res = array('true', o);
 }

                  // config variable
-variable(res)    ::= HATCH ID(i) HATCH. {
+configvariable(res)    ::= HATCH ID(i) HATCH. {
    res = $this->compiler->compileConfigVariable('\'' . i . '\'');
 }

-variable(res)    ::= HATCH ID(i) HATCH arrayindex(a). {
+configvariable(res)    ::= HATCH ID(i) HATCH arrayindex(a). {
    res = '(is_array($tmp = ' . $this->compiler->compileConfigVariable('\'' . i . '\'') . ') ? $tmp'.a.' :null)';
 }

-variable(res)    ::= HATCH variable(v) HATCH. {
+configvariable(res)    ::= HATCH variablevalue(v) HATCH. {
    res = $this->compiler->compileConfigVariable(v);
 }

-variable(res)    ::= HATCH variable(v) HATCH arrayindex(a). {
+configvariable(res)    ::= HATCH variablevalue(v) HATCH arrayindex(a). {
    res = '(is_array($tmp = ' . $this->compiler->compileConfigVariable(v) . ') ? $tmp'.a.' : null)';
 }

+variablevalue(res)    ::= variable(v). {
+    res = v[1];
+}
+
+variablevalue(res)    ::= configvariable(v). {
+    res = v;
+}
+
 varindexed(res)  ::= DOLLARID(i) arrayindex(a). {
    res = array('var'=>'\''.substr(i,1).'\'', 'smarty_internal_index'=>a);
 }
@@ -918,14 +955,17 @@ arrayindex        ::= . {
 // single index definition
                    // Smarty2 style index 
 indexdef(res)    ::= DOT DOLLARID(i).  {
-    res = '['.$this->compiler->compileVariable('\''.substr(i,1).'\'').']';
+    $this->compiler->triggerTagNoCache(substr(i,1));
+    res = '[$_smarty_tpl->getValue(\''.substr(i,1).'\')]';
 }
 indexdef(res)    ::= DOT varvar(v).  {
-    res = '['.$this->compiler->compileVariable(v).']';
+    $this->compiler->triggerTagNoCache(v);
+    res = '[$_smarty_tpl->getValue(' . v . ')]';
 }

 indexdef(res)    ::= DOT varvar(v) AT ID(p). {
-    res = '['.$this->compiler->compileVariable(v).'->'.p.']';
+    $this->compiler->triggerTagNoCache(v);
+    res = '[$_smarty_tpl->getValue(' . v . ')->'.p.']';
 }

 indexdef(res)   ::= DOT ID(i). {
@@ -956,9 +996,10 @@ indexdef(res)   ::= OPENB INTEGER(n) CLOSEB. {
    res = '['.n.']';
 }
 indexdef(res)   ::= OPENB DOLLARID(i) CLOSEB. {
-    res = '['.$this->compiler->compileVariable('\''.substr(i,1).'\'').']';
+    $this->compiler->triggerTagNoCache(substr(i,1));
+    res = '[$_smarty_tpl->getValue(\''.substr(i,1).'\')]';
 }
-indexdef(res)   ::= OPENB variable(v) CLOSEB. {
+indexdef(res)   ::= OPENB variablevalue(v) CLOSEB. {
    res = '['.v.']';
 }
 indexdef(res)   ::= OPENB value(v) CLOSEB. {
@@ -1000,7 +1041,8 @@ varvarele(res)   ::= ID(s). {
 }
 varvarele(res)   ::= SIMPELOUTPUT(i). {
    $var = trim(substr(i, $this->compiler->getLdelLength(), -$this->compiler->getRdelLength()), ' $');
-    res = $this->compiler->compileVariable('\''.$var.'\'');
+    $this->compiler->triggerTagNoCache($var);
+    res = '$_smarty_tpl->getValue(\''.$var.'\')';
 }

                    // variable sections of element
@@ -1015,7 +1057,8 @@ object(res)    ::= varindexed(vi) objectchain(oc). {
    if (vi['var'] === '\'smarty\'') {
        res = (new \Smarty\Compile\SpecialVariableCompiler())->compile(array(),$this->compiler,vi['smarty_internal_index']).oc;
    } else {
-        res = $this->compiler->compileVariable(vi['var']).vi['smarty_internal_index'].oc;
+        $this->compiler->triggerTagNoCache(vi['var']);
+        res = '$_smarty_tpl->getValue(' . vi['var'] . ')'.vi['smarty_internal_index'].oc;
    }
 }

@@ -1041,7 +1084,8 @@ objectelement(res)::= PTR varvar(v) arrayindex(a). {
    if ($this->security) {
        $this->compiler->trigger_template_error (self::ERR2);
    }
-    res = '->{'.$this->compiler->compileVariable(v).a.'}';
+    $this->compiler->triggerTagNoCache(v);
+    res = '->{$_smarty_tpl->getValue(' . v . ')'.a.'}';
 }

 objectelement(res)::= PTR LDEL expr(e) RDEL arrayindex(a). {
@@ -1067,8 +1111,41 @@ objectelement(res)::= PTR method(f).  {
 //
 // function
 //
-function(res)     ::= ns1(f) OPENP params(p) CLOSEP. {
-    res = $this->compiler->compileModifierInExpression(f, p);
+function(res)     ::= ns1(f) OPENP variablelist(v) CLOSEP. {
+
+    if (f == 'isset') {
+        res = '(true';
+        if (count(v) == 0) {
+            throw new CompilerException("Invalid number of arguments for isset. isset expects at least one parameter.");
+        }
+        foreach (v as $value) {
+            if (is_array($value)) {
+                res .= ' && (' . $value[0] . ' && null !== (' . $value[1] . ' ?? null))';
+            } else {
+                res .= ' && (' . $value . ' !== null)';
+            }
+        }
+        res .= ')';
+    } elseif (f == 'empty') {
+        if (count(v) != 1) {
+            throw new CompilerException("Invalid number of arguments for empty. empty expects at exactly one parameter.");
+        }
+        if (is_array(v[0])) {
+            res .= '( !' . v[0][0] . ' || empty(' . v[0][1] . '))';
+        } else {
+            res = 'false == ' . v[0];
+        }
+    } else {
+        $p = array();
+        foreach (v as $value) {
+            if (is_array($value)) {
+                $p[] = $value[1];
+            } else {
+                $p[] = $value;
+            }
+        }
+        res = $this->compiler->compileModifierInExpression(f, $p);
+    }
 }


@@ -1087,7 +1164,8 @@ method(res)     ::= DOLLARID(f) OPENP params(p) CLOSEP.  {
        $this->compiler->trigger_template_error (self::ERR2);
    }
    $prefixVar = $this->compiler->getNewPrefixVariable();
-    $this->compiler->appendPrefixCode("<?php {$prefixVar} = ".$this->compiler->compileVariable('\''.substr(f,1).'\'').';?>');
+    $this->compiler->triggerTagNoCache(substr(f,1));
+    $this->compiler->appendPrefixCode("<?php {$prefixVar} = \$_smarty_tpl->getValue('".substr(f,1).'\')'.';?>');
    res = $prefixVar .'('. implode(',',p) .')';
 }

@@ -1243,6 +1321,10 @@ arrayelements(res)   ::=  arrayelements(a1) COMMA arrayelement(a).  {
    res = a1.','.a;
 }

+arrayelements(res)   ::=  arrayelements(a) COMMA.  {
+    res = a.',';
+}
+
 arrayelements        ::=  .  {
    return;
 }
@@ -1282,7 +1364,7 @@ doublequoted(res)          ::= doublequotedcontent(o). {
    res = new Dq($this, o);
 }

-doublequotedcontent(res)           ::=  BACKTICK variable(v) BACKTICK. {
+doublequotedcontent(res)           ::=  BACKTICK variablevalue(v) BACKTICK. {
    res = new Code('(string)'.v);
 }

@@ -1294,7 +1376,7 @@ doublequotedcontent(res)           ::=  DOLLARID(i). {
    res = new Code('(string)$_smarty_tpl->getValue(\''. substr(i,1) .'\')');
 }

-doublequotedcontent(res)           ::=  LDEL variable(v) RDEL. {
+doublequotedcontent(res)           ::=  LDEL variablevalue(v) RDEL. {
    res = new Code('(string)'.v);
 }

@@ -31,7 +31,7 @@ class StringEval extends RecompiledPlugin
     *
     * @return void
     */
-    public function populate(\Smarty\Template\Source $source, \Smarty\Template $_template = null)
+    public function populate(\Smarty\Template\Source $source, ?\Smarty\Template $_template = null)
    {
        $source->uid = sha1($source->name);
        $source->timestamp = $source->exists = true;
@@ -26,7 +26,7 @@ class DefaultPluginHandlerRuntime {
 		$script = null;
 		$cacheable = null;

-		return (call_user_func_array(
+		return (\call_user_func_array(
 				$this->defaultPluginHandler,
 				[
 					$tag,
@@ -54,7 +54,7 @@ class DefaultPluginHandlerRuntime {
 		$script = null;
 		$cacheable = null;

-		if (call_user_func_array(
+		if (\call_user_func_array(
 				$this->defaultPluginHandler,
 				[
 					$tag,
@@ -54,7 +54,7 @@ class Smarty extends \Smarty\TemplateBase {
 	/**
 	 * smarty version
 	 */
-	const SMARTY_VERSION = '5.4.2';
+	const SMARTY_VERSION = '5.6.0';

 	/**
 	 * define caching modes
@@ -203,7 +203,7 @@ class Source {
 	 */
 	public function _getDefaultTemplate($default_handler) {
 		$_content = $_timestamp = null;
-		$_return = call_user_func_array(
+		$_return = \call_user_func_array(
 			$default_handler,
 			[$this->type, $this->name, &$_content, &$_timestamp, $this->smarty]
 		);
@@ -108,7 +108,7 @@
    </head>
    <body>

-    <h1>Smarty {\Smarty\Smarty::SMARTY_VERSION} Debug Console
+    <h1>Smarty {$smarty.version} Debug Console
        -  {if isset($template_name)}{$template_name|debug_print_var nofilter} {/if}{if !empty($template_data)}Total Time {$execution_time|string_format:"%.5f"}{/if}</h1>

    {if !empty($template_data)}
@@ -65,15 +65,34 @@ class UndefinedTemplateVarTest extends PHPUnit_Smarty
     */
    public function testError()
    {
-		$this->smarty->error_unassigned = true;
+        $this->smarty->error_unassigned = true;
        $this->expectException(PHPUnit\Framework\Error\Error::class);
-		$this->expectExceptionMessage('Undefined ');
+        $this->expectExceptionMessage('Undefined ');
        $e1 = error_reporting();
        $this->assertEquals('undefined = ', $this->smarty->fetch('001_main.tpl'));
        $e2 = error_reporting();
        $this->assertEquals($e1, $e2);
    }

+    public function testNoError()
+    {
+        $this->smarty->error_unassigned = false;
+        $e1 = error_reporting();
+        $this->assertEquals('undefined = ', $this->smarty->fetch('001_main.tpl'));
+        $e2 = error_reporting();
+        $this->assertEquals($e1, $e2);
+    }
+
+    public function testNoErrorForIssetOrEmpty()
+    {
+        $this->smarty->error_unassigned = true;
+        $e1 = error_reporting();
+        $this->assertEquals('undefined = ', $this->smarty->fetch('001_isset.tpl'));
+        $this->assertEquals('undefined = ', $this->smarty->fetch('001_empty.tpl'));
+        $e2 = error_reporting();
+        $this->assertEquals($e1, $e2);
+    }
+
    public function testUndefinedSimpleVar() {
        $this->smarty->muteUndefinedOrNullWarnings();
        $tpl = $this->smarty->createTemplate('string:a{if $undef}def{/if}b');
@@ -133,30 +152,30 @@ class UndefinedTemplateVarTest extends PHPUnit_Smarty
    }


-	public function testDereferenceOnNull() {
-		$this->smarty->setErrorReporting(E_ALL & ~E_WARNING & ~E_NOTICE);
-		$this->smarty->muteUndefinedOrNullWarnings();
-		$tpl = $this->smarty->createTemplate('string:a{if $object->myprop}def{/if}b');
-		$this->smarty->assign('object', null);
-		$this->assertEquals("ab", $this->smarty->fetch($tpl));
-	}
+    public function testDereferenceOnNull() {
+        $this->smarty->setErrorReporting(E_ALL & ~E_WARNING & ~E_NOTICE);
+        $this->smarty->muteUndefinedOrNullWarnings();
+        $tpl = $this->smarty->createTemplate('string:a{if $object->myprop}def{/if}b');
+        $this->smarty->assign('object', null);
+        $this->assertEquals("ab", $this->smarty->fetch($tpl));
+    }


-	public function testDereferenceOnBool() {
-		$this->smarty->setErrorReporting(E_ALL & ~E_NOTICE);
-		$this->smarty->muteUndefinedOrNullWarnings();
-		$tpl = $this->smarty->createTemplate('string:a{if $object->myprop}def{/if}b');
-		$this->smarty->assign('object', false);
-		$this->assertEquals("ab", $this->smarty->fetch($tpl));
-	}
+    public function testDereferenceOnBool() {
+        $this->smarty->setErrorReporting(E_ALL & ~E_NOTICE);
+        $this->smarty->muteUndefinedOrNullWarnings();
+        $tpl = $this->smarty->createTemplate('string:a{if $object->myprop}def{/if}b');
+        $this->smarty->assign('object', false);
+        $this->assertEquals("ab", $this->smarty->fetch($tpl));
+    }


-	public function testDereferenceOnString() {
-		$this->smarty->setErrorReporting(E_ALL & ~E_NOTICE);
-		$this->smarty->muteUndefinedOrNullWarnings();
-		$tpl = $this->smarty->createTemplate('string:a{if $object->myprop}def{/if}b');
-		$this->smarty->assign('object', 'xyz');
-		$this->assertEquals("ab", $this->smarty->fetch($tpl));
-	}
+    public function testDereferenceOnString() {
+        $this->smarty->setErrorReporting(E_ALL & ~E_NOTICE);
+        $this->smarty->muteUndefinedOrNullWarnings();
+        $tpl = $this->smarty->createTemplate('string:a{if $object->myprop}def{/if}b');
+        $this->smarty->assign('object', 'xyz');
+        $this->assertEquals("ab", $this->smarty->fetch($tpl));
+    }

 }
@@ -0,0 +1 @@
+undefined = {if empty($foo)}{/if}
@@ -0,0 +1 @@
+undefined = {if isset($foo)}{/if}
@@ -0,0 +1,193 @@
+<?php
+
+use Smarty\Compile\AttributeCompiler;
+use Smarty\Compiler\Template;
+
+class AttributeCompilerTest extends PHPUnit\Framework\TestCase
+{
+	/**
+	 * The template compiler.
+	 */
+	private $template_compiler;
+
+	/**
+	 * The attributes
+	 */
+	private $attributes = [];
+
+	/**
+	 * @inheritDoc
+	 * Set up attribute compiler class
+	 */
+	protected function setUp(): void
+	{
+		$this->template_compiler = $this->createMock(Template::class);
+
+		// reset attributes to empty arrays
+		$this->attributes = [
+			'required_attributes' => [],
+			'optional_attributes' => [],
+			'shorttag_order' => [],
+			'option_flags' => [],
+		];
+	}
+
+	/**
+	 * Create the attribute compiler for testing.
+	 */
+	private function createAttributeCompiler() {
+		return new AttributeCompiler(
+			$this->attributes['required_attributes'],
+			$this->attributes['optional_attributes'],
+			$this->attributes['shorttag_order'],
+			$this->attributes['option_flags']
+		);
+	}
+
+	/**
+	 * Tests shorthand attribute compiling.
+	 */
+	public function testAttributeCompiler(): void
+	{
+		$this->attributes['shorttag_order'] = ['shorttag'];
+		$this->attributes['required_attributes'] = ['required'];
+		$this->attributes['option_flags'] = ['option', 'option_two'];
+
+		$payload = [
+			0 => 'shorttag value',
+			1 => [
+				'required' => 'required_value'
+			],
+			2 => 'option',
+		];
+
+		$this->assertEquals(
+			$this->createAttributeCompiler()
+				->getAttributes($this->template_compiler, $payload),
+			[
+				'shorttag' => 'shorttag value',
+				'required' => 'required_value',
+				'option' => true,
+				'option_two' => false,
+			]
+		);
+	}
+
+	/**
+	 * Tests normal optional attribute compiling.
+	 */
+	public function testAttributeCompilerOptionalArguments(): void
+	{
+		$this->attributes['optional_attributes'] = ['optional'];
+
+		$payload = [
+			0 => [
+				'optional' => 'optional value'
+			],
+		];
+
+		$this->assertEquals(
+			$this->createAttributeCompiler()
+				->getAttributes($this->template_compiler, $payload),
+			[
+				'optional' => 'optional value',
+			]
+		);
+
+		$this->assertEquals(
+			$this->createAttributeCompiler()
+				->getAttributes($this->template_compiler, []),
+			[]
+		);
+	}
+
+	/** 
+	 * Tests any attribute compiling.
+	 */
+	public function testAttributeCompilerAnyOptionalArguments(): void
+	{
+		$this->attributes['optional_attributes'] = ['_any'];
+
+		$payload = [
+			0 => [
+				'optional' => 'optional value'
+			],
+			1 => [
+				'optional_two' => 'optional value two'
+			],
+		];
+
+		$this->assertEquals(
+			$this->createAttributeCompiler()
+				->getAttributes($this->template_compiler, $payload),
+			[
+				'optional' => 'optional value',
+				'optional_two' => 'optional value two',
+			]
+		);
+	}
+
+	/**
+	 * Test if the attribute compiler tries to throw a too many shorthand attributes error.
+	 */
+	public function testAttributeCompilerTooManyShorthands(): void
+	{
+		$payload = [
+			0 => 'option one',
+		];
+
+		$this->template_compiler
+			->expects(self::once())
+			->method('trigger_template_error')
+			->with('too many shorthand attributes', null, true);
+
+		$this->createAttributeCompiler()
+			->getAttributes($this->template_compiler, $payload);
+	}
+
+	/**
+	 * Test if the attribute compiler tries to throw a missing required attribute error.
+	 */
+	public function testAttributeCompilerWithMissingRequiredAttributes(): void
+	{
+		$this->attributes['required_attributes'] = ['required'];
+
+		$this->template_compiler
+			->expects(self::once())
+			->method('trigger_template_error')
+			->with('missing \'required\' attribute', null, true);
+
+		$this->createAttributeCompiler()
+			->getAttributes($this->template_compiler, []);
+	}
+
+	/**
+	 * Test if the attribute compiler tries to throw a illegal value template error.
+	 */
+	public function testAttributeCompilerWithInvalidOptionAttribute(): void
+	{
+		$this->attributes['option_flags'] = ['option'];
+
+		$this->template_compiler
+			->expects(self::once())
+			->method('trigger_template_error')
+			->with('illegal value \'\'foo\'\' for options flag \'option\'', null, true);
+
+		$this->createAttributeCompiler()
+			->getAttributes($this->template_compiler, [0 => ['option' => 'foo']]);
+	}
+
+	/**
+	 * Test if the attribute compiler tries to throw an unexpected attribute error.
+	 */
+	public function testAttributeCompilerWithInvalidUnexpectedAttribute(): void
+	{
+		$this->template_compiler
+			->expects(self::once())
+			->method('trigger_template_error')
+			->with('unexpected \'unexpected\' attribute', null, true);
+
+		$this->createAttributeCompiler()
+			->getAttributes($this->template_compiler, [0 => ['unexpected' => 'bar']]);
+	}
+}
@@ -0,0 +1,62 @@
+<?php
+
+use Smarty\Compile\FunctionCallCompiler;
+use Smarty\Compiler\Template;
+use Smarty\FunctionHandler\AttributeFunctionHandlerInterface;
+use Smarty\Smarty;
+
+class FunctionCallCompilerTest extends PHPUnit\Framework\TestCase
+{
+	/**
+	 * @inheritDoc
+	 * Set up attribute compiler class
+	 */
+	protected function setUp(): void
+	{
+		$this->smarty = $this->createMock(Smarty::class);
+		$this->template_compiler = $this->createMock(Template::class);
+		$this->template_compiler
+			->expects(self::once())
+			->method('getSmarty')
+			->willReturn($this->smarty);
+	}
+
+	public function testAttributeFunctionHandlerInterface(): void
+	{
+		$attribute_function_handler = $this->createMock(AttributeFunctionHandlerInterface::class);
+
+		$attribute_function_handler
+			->expects(self::once())
+			->method('getSupportedAttributes')
+			->willReturn([
+				'required_attributes' => ['required'],
+				'optional_attributes' => ['optional'],
+				'shorttag_order' => ['short'],
+				'option_flags' => ['option'],
+			]);
+
+		$args = [
+			0 => 'short',
+			1 => 'option',
+			2 => [
+				'optional' => 'optional',
+			],
+			3 => [
+				'required' => 'required',
+			],
+		];
+
+		$this->smarty
+			->expects(self::once())
+			->method('getFunctionHandler')
+			->with('method')
+			->willReturn($attribute_function_handler);
+
+		$function_call_compiler = new FunctionCallCompiler();
+
+		$this->assertEquals(
+			$function_call_compiler->compile($args, $this->template_compiler, [], null, 'method'),
+			'$_smarty_tpl->getSmarty()->getFunctionHandler(\'method\')->handle(array(\'short\'=>short,\'option\'=>1,\'optional\'=>optional,\'required\'=>required), $_smarty_tpl)'
+		);
+	}
+}
@@ -192,6 +192,15 @@ class RegisterFunctionTest extends PHPUnit_Smarty
        ];
    }

+    /**
+     * test registerPlugin for function name ending in 'close' #1122
+     */
+    public function testRegisterFunctionEndingInClose()
+    {
+        $this->smarty->registerPlugin(Smarty::PLUGIN_FUNCTION, 'window_close', 'myfunction');
+        $this->assertEquals('hello world 1', $this->smarty->fetch('eval:{window_close value=1}'));
+    }
+
 }

 function myfunction($params, $smarty)
@@ -0,0 +1,55 @@
+<?php
+// first class callables where introduced in PHP 8.1
+if (PHP_VERSION_ID >= 80100) {
+
+	/**
+	 * class for register modifier with (first class) callables tests
+	 *
+	 * @runTestsInSeparateProcess
+	 * @preserveGlobalState disabled
+	 * @backupStaticAttributes enabled
+	 */
+	class RegisterModifierFirstClassCallablesTest extends PHPUnit_Smarty
+	{
+		public function setUp(): void
+		{
+			$this->setUpSmarty(__DIR__);
+		}
+
+
+		public function testInit()
+		{
+			$this->cleanDirs();
+		}
+
+		public function testRegisterFirstClassCallable()
+		{
+			$this->smarty->registerPlugin(\Smarty\Smarty::PLUGIN_MODIFIER, 'testmodifier', eval('return strrev(...);'));
+			$this->assertEquals('mosredna', $this->smarty->fetch('string:{"andersom"|testmodifier}'));
+		}
+
+		public function testRegisterFirstClassCallableSameName()
+		{
+			$this->smarty->registerPlugin(\Smarty\Smarty::PLUGIN_MODIFIER, 'mymodifier', eval('return strrev(...);'));
+			$this->assertEquals('mosredna', $this->smarty->fetch('string:{"andersom"|mymodifier}'));
+		}
+
+		public function testRegisterFirstClassCallableAsFunc()
+		{
+			$this->smarty->registerPlugin(\Smarty\Smarty::PLUGIN_MODIFIER, 'kprint_r_out', eval('return strrev(...);'));
+			$this->smarty->assign('myVar', 'andersom');
+			$this->assertEquals('mosredna', $this->smarty->fetch('string:{kprint_r_out($myVar)}'));
+		}
+
+		public function testRegisterFirstClassCallableSameNameAsPhpFunc()
+		{
+			$this->smarty->registerPlugin(\Smarty\Smarty::PLUGIN_MODIFIER, 'mymodifierfcc', eval('return strrev(...);'));
+			$this->assertEquals('mosredna', $this->smarty->fetch('string:{mymodifierfcc("andersom")}'));
+		}
+
+	}
+}
+function mymodifierfcc($a, $b, $c)
+{
+	return "$a function $b $c";
+}
@@ -135,6 +135,20 @@ class RegisterModifierTest extends PHPUnit_Smarty
 		$this->assertEquals($expectedValue, $this->smarty->fetch('string:' . $template));
 	}

+	public function testRegisterNativePhpFuncAsString()
+	{
+		$this->smarty->registerPlugin(\Smarty\Smarty::PLUGIN_MODIFIER, 'strrev', 'strrev');
+		$this->smarty->assign('myVar', 'andersom');
+		$this->assertEquals('mosredna', $this->smarty->fetch('string:{strrev($myVar)}'));
+	}
+
+	public function testRegisterNativePhpFuncUnderDifferentName()
+	{
+		$this->smarty->registerPlugin(\Smarty\Smarty::PLUGIN_MODIFIER, 'k_xyz_a', 'strrev');
+		$this->smarty->assign('myVar', 'andersom');
+		$this->assertEquals('mosredna', $this->smarty->fetch('string:{k_xyz_a($myVar)}'));
+	}
+
 }

 class WildcardExtension extends \Smarty\Extension\Base {
@@ -41,10 +41,9 @@ class CompileIfTest extends PHPUnit_Smarty
        $name = empty($testName) ? $testNumber : $testName;
        $file = "testIf_{$name}.tpl";
        $this->makeTemplateFile($file, $code);
-        $this->smarty->assignGlobal('file', $file);
+        $this->smarty->assign('file', $file);
        $this->smarty->assign('bar', 'buh');
-        $this->assertEquals($result, $this->smarty->fetch($file),
-                            "testIf - {$code} - {$name}");
+        $this->assertEquals($result, $this->smarty->fetch($file), "testIf - {$code} - {$name}");
    }

    /*
@@ -70,6 +70,8 @@ class ArrayTest extends PHPUnit_Smarty
                     array('{$foo=[1,2,[7,8,9],4,5]}{$x=2}{$foo.$x.0}', '7', 'T13', $i++),
                     array('{$foo=[1,2,[7,8,9],4,5]}{$x=0}{$foo.2.$x}', '7', 'T14', $i++),
                     array('{$foo=[1,2,[7,8,9],4,5]}{$x=[1,0]}{$foo.2.{$x.1}}', '7', 'T15', $i++),
+                     array('{$foo=[1,2,3,4,5,]}{foreach $foo as $bar}{$bar}{/foreach}', '12345', 'T16', $i++),
+                     array('{$foo=[1,2,3,4,5,[6,7,8,],]}{$foo[5][2]}', '8', 'T17', $i++),
        );
    }
 }
@@ -1,4 +1,4 @@
-FROM php:8.4-rc-cli-bullseye
+FROM php:8.4-cli-bullseye

 ## Basic utilities
 RUN apt-get update -yqq && apt-get install -y curl apt-utils git zip unzip
Author	SHA1	Message	Date
Simon Wisselink	1fc41e385d	Merge branch 'release/5.6.0'	2025-10-03 23:22:25 +02:00
Simon Wisselink	fe325daec0	version bump	2025-10-03 23:22:23 +02:00
Simon Wisselink	3f0f308a7b	added changelog	2025-10-03 23:19:22 +02:00
pharixces	b390e50974	Add support for shorttags in functions (#1142 ) * Add support for shorttags in functions Co-authored-by: Anne Zijlstra <a.zijlstra@iwink.nl> Co-authored-by: Simon Wisselink <s.wisselink@iwink.nl>	2025-10-03 23:17:55 +02:00
Simon Wisselink	0e46ae3add	Merge branch 'release/5.5.2'	2025-08-26 10:38:06 +02:00
Simon Wisselink	4d793ee04c	version bump	2025-08-26 10:38:05 +02:00
Simon Wisselink	7677b84058	Fixed escaping of array/object keys in debug_print_var	2025-08-26 10:32:02 +02:00
Simon Wisselink	e7457d78cb	Add iWink and Temma logos	2025-05-27 22:39:34 +02:00
Simon Wisselink	cbcd66e1de	Merge branch 'release/5.5.1'	2025-05-19 11:29:42 +02:00
Simon Wisselink	46cd224efb	version bump	2025-05-19 11:29:40 +02:00
Simon Wisselink	d3b716a0b9	changelog	2025-05-19 11:29:30 +02:00
pharixces	693502c341	Bugfix/bcpluginsadapter support modifiercompiler (#1132 ) * Add support for modifiercompiler in the BCPluginsAdapter class. --------- Co-authored-by: Anne Zijlstra <a.zijlstra@iwink.nl>	2025-05-19 11:28:10 +02:00
Shad	bb968469fa	add empty and in_array modifier doc (#1113 )	2025-05-06 14:23:46 +02:00
Simon Wisselink	372f7cf41a	Merge branch 'release/5.5.0'	2025-05-03 23:36:46 +02:00
Simon Wisselink	f659193c94	version bump	2025-05-03 23:36:44 +02:00
Simon Wisselink	0b6166482a	changelog	2025-05-03 23:36:27 +02:00
hirosan	4ff25bbe59	Support trailing comma in array (#1128 )	2025-05-03 23:34:15 +02:00
hirosan	afbd71b868	Update getting-started.md (#1111 ) Indicate support for php8.4 in docs.	2025-04-16 08:11:00 +02:00
Simon Wisselink	e26f82d02c	Merge branch 'release/5.4.5'	2025-04-15 13:20:08 +02:00
Simon Wisselink	6ad6a35824	version bump	2025-04-15 13:20:06 +02:00
Simon Wisselink	baa53399f5	changelog	2025-04-15 13:19:54 +02:00
gherosh	37bea77ea7	Update StringEval.php (#1126 ) Fix: Implicitly marking parameter $_template as nullable is deprecated, the explicit nullable type must be used instead	2025-04-15 13:19:00 +02:00
Simon Wisselink	0d33f3acde	Added sponsor	2025-04-13 22:34:16 +02:00
Simon Wisselink	05adbf45f3	Drop jit runs from CI unit tests. Fixes #1125	2025-04-13 22:20:14 +02:00
Simon Wisselink	df4795b803	Merge branch 'release/5.4.4'	2025-04-13 22:12:10 +02:00
Simon Wisselink	5401418258	version bump	2025-04-13 22:12:08 +02:00
Simon Wisselink	a5bbba3f05	Fix syntax error occurring when registering a function plugin that ends with the string 'close' (#1124 ) Fixes #1122	2025-04-10 23:47:44 +02:00
Simon Wisselink	a0664a4ab2	Added funding options	2025-04-10 22:39:35 +02:00
Simon Wisselink	a4b8466205	Added unit tests to prevent regressions of issue #1100 that was fixed in v4	2025-02-13 23:20:05 +01:00
Simon Wisselink	5d1ea5806a	change SMARTY_VERSION to $smarty.version. Fixes #1073	2024-12-28 17:40:25 +01:00
Simon Wisselink	ab247c723b	Add upgrading remarks on magic APi methods. Fixes #979	2024-12-27 23:37:21 +01:00
Simon Wisselink	fb997111f4	Add note to docs about plugins that expect parameters by reference	2024-12-27 23:08:17 +01:00
Simon Wisselink	c6bff57950	Merge branch 'release/5.4.3'	2024-12-23 01:38:44 +01:00
Simon Wisselink	07faafe4da	version bump	2024-12-23 01:38:41 +01:00
Simon Wisselink	295b7fb582	move to official php8.4 image for unit testing in CI	2024-12-23 01:34:55 +01:00
Simon Wisselink	cf9de567c1	Restore special handling of isset and empty as it was in v4. Fixes #1063 (#1093 ) * Restore special handling of isset and empty as it was in v4. Fixes #1063	2024-12-23 01:29:07 +01:00
Simon Wisselink	f47ac761af	replace/qualify call_user_func_array. (#1083 ) Fixes #1074	2024-11-20 23:05:14 +01:00