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<?php class Foo {} class Bar { public function __construct($param1) {} } $reflection = new \ReflectionClass('Foo'); var_dump($reflection->newInstanceArgs(array())); try { var_dump($reflection->newInstanceArgs(array(1))); } catch (Exception $e) { echo $e; } $reflectionB = new \ReflectionClass('Bar'); var_dump($reflectionB->newInstanceArgs(array())); var_dump($reflectionB->newInstanceArgs(array(1))); var_dump($reflectionB->newInstanceArgs(array(1,2)));
Output for 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
object(Foo)#2 (0) { } ReflectionException: Class Foo does not have a constructor, so you cannot pass any constructor arguments in /in/jM8ph:11 Stack trace: #0 /in/jM8ph(11): ReflectionClass->newInstanceArgs(Array) #1 {main} Fatal error: Uncaught ArgumentCountError: Too few arguments to function Bar::__construct(), 0 passed and exactly 1 expected in /in/jM8ph:5 Stack trace: #0 [internal function]: Bar->__construct() #1 /in/jM8ph(17): ReflectionClass->newInstanceArgs(Array) #2 {main} thrown in /in/jM8ph on line 5
Process exited with code 255.
Output for 7.0.0 - 7.0.20
object(Foo)#2 (0) { } ReflectionException: Class Foo does not have a constructor, so you cannot pass any constructor arguments in /in/jM8ph:11 Stack trace: #0 /in/jM8ph(11): ReflectionClass->newInstanceArgs(Array) #1 {main} Warning: Missing argument 1 for Bar::__construct() in /in/jM8ph on line 5 object(Bar)#4 (0) { } object(Bar)#4 (0) { } object(Bar)#4 (0) { }
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
object(Foo)#2 (0) { } exception 'ReflectionException' with message 'Class Foo does not have a constructor, so you cannot pass any constructor arguments' in /in/jM8ph:11 Stack trace: #0 /in/jM8ph(11): ReflectionClass->newInstanceArgs(Array) #1 {main} Warning: Missing argument 1 for Bar::__construct() in /in/jM8ph on line 5 object(Bar)#4 (0) { } object(Bar)#4 (0) { } object(Bar)#4 (0) { }

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