1 files changed, 17 insertions, 13 deletions

diff --git a/src/Compile/FunctionCallCompiler.php b/src/Compile/FunctionCallCompiler.php
index 107dd98b..3ce50da2 100644
--- a/src/Compile/FunctionCallCompiler.php
+++ b/src/Compile/FunctionCallCompiler.php
@@ -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.
 	 *
@@ -51,16 +45,26 @@ class FunctionCallCompiler extends Base {
 	 */
 	public function compile($args, Template $compiler, $parameter = [], $tag = null, $function = null): string
 	{
+		if ($functionHandler = $compiler->getSmarty()->getFunctionHandler($function)) {
 
-		// check and get attributes
-		$_attr = $this->getAttributes($compiler, $args);
-		unset($_attr['nocache']);
+			$attribute_overrides = [];
 
-		$_paramsArray = $this->formatParamsArray($_attr);
-		$_params = 'array(' . implode(',', $_paramsArray) . ')';
+			if ($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);
 
-		if ($functionHandler = $compiler->getSmarty()->getFunctionHandler($function)) {
+			unset($_attr['nocache']);
+
+			$_paramsArray = $this->formatParamsArray($_attr);
+			$_params = 'array(' . implode(',', $_paramsArray) . ')';
 
 			// not cacheable?
 			$compiler->tag_nocache = $compiler->tag_nocache || !$functionHandler->isCacheable();