fixes

composer.json

@@ -15,5 +15,7 @@
         }
     ],
     "minimum-stability": "dev",
-    "require": {}
+    "require": {
+        "php" : ">=8.2"
+    }
 }

readme.md

@@ -8,10 +8,11 @@ A simple lightweight PHP Inversion of Control (IoC) container with the following
 - can bind with optional arguments
 - detect cyclic dependencies during the object creation phase
 - support for multiple, independent containers
+- no external dependencies
 - easy to use
 
 ## Requirements
-- php 8.3 or higher
+- php 8.2 or higher
 
 ## Usage
 

src/Binding.php

@@ -109,7 +109,11 @@ public function resolve(): ?object
             }
             // b) callable => return callable result
             else if (is_callable($this->implementation)) {
-                $refl = new \ReflectionFunction($this->implementation);
+                if (is_array($this->implementation)) {
+                    $refl = new \ReflectionMethod($this->implementation[0], $this->implementation[1]);
+                } else {
+                    $refl = new \ReflectionFunction($this->implementation);
+                }
                 $args = ParameterResolver::resolve($this->ioc, $refl->getParameters(), $this->overrides);
                 $this->object = call_user_func_array($this->implementation, $args);
             }
@@ -129,14 +133,15 @@ public function resolve(): ?object
                 $this->object = $this->implementation;
             }
 
-            $this->isResolving = false;
             return $this->object;
         } catch (Exception $ex) {
             if ($this->fireExceptions) {
                 throw $ex;
             } else {
                 return null;
             }
+        } finally {
+            $this->isResolving = false;
         }
     }
 }

src/Ioc.php

@@ -42,7 +42,11 @@ public static function bindSingleton(string $name, string|callable|null|object $
 
     public static function get(string $name): ?object {
         return static::$default->resolve($name);    
-    }    
+    }
+
+    public static function has(string $name): bool {
+        return isset(static::$default->bindings[$name]);    
+    }
 
     #endregion