replace/qualify call_user_func_array. (#1083)

Fixes #1074

changelog/1074.md

@@ -0,0 +1 @@
+- Fix PHP backtraces by qualifying/replacing `call_user_func_array` calls [#1074](https://github.com/smarty-php/smarty/issues/1074)

src/BlockHandler/BlockPluginWrapper.php

@@ -14,6 +14,6 @@ public function __construct($callback, bool $cacheable = true) {
 	}
 
 	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]);
 	}
 }

src/Compiler/Template.php

@@ -665,7 +665,7 @@ public function getPluginFromDefaultHandler($tag, $plugin_type) {
 		$script = null;
 		$cacheable = true;
 
-		$result = call_user_func_array(
+		$result = \call_user_func_array(
 			$defaultPluginHandlerFunc,
 			[
 				$tag,
@@ -1281,9 +1281,10 @@ protected function doCompile($_content, $isTemplateSource = false) {
 		}
 		// call post compile callbacks
 		foreach ($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;

src/Extension/CallbackWrapper.php

@@ -26,7 +26,7 @@ public function __construct(string $modifierName, $callback) {
 
 	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);
 		}

src/Runtime/DefaultPluginHandlerRuntime.php

@@ -26,7 +26,7 @@ public function hasPlugin($tag, $plugin_type): bool {
 		$script = null;
 		$cacheable = null;
 
-		return (call_user_func_array(
+		return (\call_user_func_array(
 				$this->defaultPluginHandler,
 				[
 					$tag,
@@ -54,7 +54,7 @@ public function getCallback($tag, $plugin_type) {
 		$script = null;
 		$cacheable = null;
 
-		if (call_user_func_array(
+		if (\call_user_func_array(
 				$this->defaultPluginHandler,
 				[
 					$tag,

src/Template/Source.php

@@ -203,7 +203,7 @@ public function getContent() {
 	 */
 	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]
 		);