https://github.com/mage2pro/core/issues/435

Core/lib/lang/call/.php

@@ -71,10 +71,7 @@ function df_call($o, $f, array $p = []) {/** @var mixed $r */
 							# 2024-09-21
 							# 1) "`df_call()` should use `df_bool()` for `bool` arguments":
 							# https://github.com/mage2pro/core/issues/435
-							# 2) https://www.php.net/manual/en/reflectionparameter.gettype.php
-							# 3) https://www.php.net/manual/en/class.reflectionnamedtype.php
-							# 4) https://www.php.net/manual/en/reflectionnamedtype.getname.php#128874
-							if (($rt = $rp->getType()) instanceof RNT && 'bool' === $rt->getName()) {/** @var ?RT|?RNT $rt */
+							if (dfr_param_is_bool($rp)) {
 								$r = df_bool($r);
 							};
 						}

Core/lib/reflection/param/is/bool.php

@@ -1,9 +1,8 @@
 <?php
-use ReflectionNamedType as NT; # 2024-09-21 https://www.php.net/manual/en/class.reflectionnamedtype.php
 use ReflectionParameter as P;
-use ReflectionType as T; # 2024-09-21 https://www.php.net/manual/en/class.reflectiontype.php
 
 /**
- * 2024-09-21
+ * 2024-09-21 https://www.php.net/manual/en/reflectionnamedtype.getname.php#128874
+ * @used-by df_call()
  */
-function dfr_param_is_bool(P $p):bool {return false;}
+function dfr_param_is_bool(P $p):bool {return 'bool' === dfr_param_type($p);}

Core/lib/reflection/param/type.php

@@ -7,5 +7,6 @@
  * https://www.php.net/manual/en/reflectionparameter.gettype.php
  * https://www.php.net/manual/en/class.reflectionnamedtype.php
  * https://www.php.net/manual/en/reflectionnamedtype.getname.php#128874
+ * @used-by dfr_param_is_bool()
  */
 function dfr_param_type(P $p):string {return ($t = $p->getType()) instanceof NT ? $t->getName() : '';}