Online PHP editor | perf for svfeO

<?php enum SpecialReturnValue { case NoReturn; case ReturnWithoutValue; case ReturnDollarThis; case ReturnVoid; case ReturnNever; } class ShouldTypeError { public $uniqueId; public function __construct($returnValue) { static $uniqueId = 0; $this->uniqueId = $uniqueId; $uniqueId++; if ($returnValue !== SpecialReturnValue::NoReturn) { if ($returnValue === SpecialReturnValue::ReturnWithoutValue) { return; } elseif ($returnValue === SpecialReturnValue::ReturnDollarThis) { return $this; } elseif ($returnValue === SpecialReturnValue::ReturnVoid) { return void; } elseif ($returnValue === SpecialReturnValue::ReturnNever) { return never; } return $returnValue; } } } const SOMECONST = 'Const hello'; enum SomeEnum { case Hearts; case Diamonds; case Clubs; case Spades; } function SomeFunction() { } $SomeFunctionClosure = function() { }; $SomeFunctionFirstClassCallable = SomeFunction(...); $someFunctionClosureFromCallabe = Closure::fromCallable('SomeFunction'); $arrowFunction = fn($a) => $a; $testcases = [ SpecialReturnValue::NoReturn, SpecialReturnValue::ReturnWithoutValue, SpecialReturnValue::ReturnDollarThis, new ShouldTypeError(SpecialReturnValue::NoReturn), SOMECONST, 'abc', 1, 1.23, null, true, false, ['a', 'b', 'c'], [6 => 'six', 7 => 'seven', 67 => 'six seven'], ['a' => 'a', 'b' => 'b', 'c' => 'c', 0 => 'Zero'], SpecialReturnValue::ReturnVoid, SpecialReturnValue::ReturnNever, SomeEnum::Spades, function() {}, $SomeFunctionClosure, $SomeFunctionFirstClassCallable, $someFunctionClosureFromCallabe, $arrowFunction, new DateTimeImmutable(), fopen('php://memory', 'w+'), ]; foreach($testcases as $testcase) { echo "--------------[ TESTCASE ]--------------\n"; var_dump($testcase); echo "\n"; try { $didReturn = new ShouldTypeError($testcase); if ($testcase === SpecialReturnValue::NoReturn) { echo "Success: without a return statement is always valid.\n"; } elseif ($testcase === SpecialReturnValue::ReturnWithoutValue) { echo "Success: a return statement without a value is always valid.\n"; } elseif ($testcase === SpecialReturnValue::ReturnDollarThis) { echo "Dubious: return \$this is dubious.\n"; echo "- it fullfills the return type, so it could be allowed.\n"; echo "- but returning anything from a constructor is nonsense, because it is discarded by \"new\".\n"; echo " As shown by the fourth testcase new SomeTypeError(SpecialReturnValue::NoReturn).\n"; } else { echo "Error: why is it not a return TypeError?\n"; } if ($didReturn instanceof ShouldTypeError) { echo "Created uniqueId ".$didReturn->uniqueId."\n"; } else { echo "Failed to new a ShouldTypeError.\n"; } } catch (Throwable $ex) { echo "Success: throwable: ".$ex->getMessage()."\n"; } }

Version	System time (s)	User time (s)	Memory (MiB)
8.5.9	0.006	0.002	17.41
8.5.8	0.003	0.006	17.21
8.5.7	0.013	0.004	17.18
8.5.6	0.004	0.004	17.41
8.5.5	0.005	0.003	18.84
8.5.3	0.012	0.006	19.52
8.5.2	0.020	0.009	17.48
8.5.1	0.005	0.005	18.59
8.4.24	0.005	0.006	19.85
8.4.23	0.013	0.001	19.86
8.4.22	0.012	0.011	19.89
8.4.21	0.010	0.012	20.03
8.4.18	0.013	0.012	19.89
8.4.17	0.005	0.006	22.43
8.4.16	0.019	0.008	22.16
8.4.9	0.012	0.009	19.95
8.3.33	0.009	0.010	18.94
8.3.32	0.011	0.011	18.95
8.3.31	0.005	0.004	18.82
8.3.30	0.007	0.006	20.56
8.3.29	0.005	0.006	20.50
8.3.18	0.011	0.012	18.75
8.3.5	0.006	0.003	18.71
8.2.32	0.015	0.009	18.42
8.2.31	0.011	0.010	18.38