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<?php class TestingAccessWrapper { /** @var mixed The object, or the class name for static-only access */ public $object; /** * Return a proxy object which can be used the same way as the original, * except that access restrictions can be ignored (protected and private methods and properties * are available for any caller). * @param object $object * @return TestingAccessWrapper * @throws InvalidArgumentException */ public static function newFromObject( $object ) { if ( !is_object( $object ) ) { throw new InvalidArgumentException( __METHOD__ . ' must be called with an object' ); } $wrapper = new TestingAccessWrapper(); $wrapper->object = $object; return $wrapper; } /** * Allow access to non-public static methods and properties of the class. * Returns an object whose methods/properties will correspond to the * static methods/properties of the given class. * @param string $className * @return TestingAccessWrapper * @throws InvalidArgumentException */ public static function newFromClass( $className ) { if ( !is_string( $className ) ) { throw new InvalidArgumentException( __METHOD__ . ' must be called with a class name' ); } $wrapper = new TestingAccessWrapper(); $wrapper->object = $className; return $wrapper; } public function __call( $method, $args ) { $methodReflection = $this->getMethod( $method ); if ( $this->isStatic() && !$methodReflection->isStatic() ) { throw new DomainException( __METHOD__ . ': Cannot call non-static method when wrapping static class' ); } return $methodReflection->invokeArgs( $methodReflection->isStatic() ? null : $this->object, $args ); } public function __set( $name, $value ) { $propertyReflection = $this->getProperty( $name ); if ( $this->isStatic() && !$propertyReflection->isStatic() ) { throw new DomainException( __METHOD__ . ': Cannot set non-static property when wrapping static class' ); } $propertyReflection->setValue( $this->object, $value ); } public function __get( $name ) { $propertyReflection = $this->getProperty( $name ); if ( $this->isStatic() && !$propertyReflection->isStatic() ) { throw new DomainException( __METHOD__ . ': Cannot get non-static property when wrapping static class' ); } return $propertyReflection->getValue( $this->object ); } /** * Tells whether this object was created for an object or a class. * @return bool */ private function isStatic() { return is_string( $this->object ); } /** * Return a method and make it accessible. * @param string $name * @return ReflectionMethod */ private function getMethod( $name ) { $classReflection = new ReflectionClass( $this->object ); $methodReflection = $classReflection->getMethod( $name ); $methodReflection->setAccessible( true ); return $methodReflection; } /** * Return a property and make it accessible. * * ReflectionClass::getProperty() fails if the private property is defined * in a parent class. This works more like ReflectionClass::getMethod(). * * @param string $name * @return ReflectionProperty * @throws ReflectionException */ private function getProperty( $name ) { $classReflection = new ReflectionClass( $this->object ); try { $propertyReflection = $classReflection->getProperty( $name ); } catch ( ReflectionException $ex ) { while ( true ) { $classReflection = $classReflection->getParentClass(); if ( !$classReflection ) { throw $ex; } try { $propertyReflection = $classReflection->getProperty( $name ); } catch ( ReflectionException $ex2 ) { continue; } if ( $propertyReflection->isPrivate() ) { break; } else { // @codeCoverageIgnoreStart throw $ex; // @codeCoverageIgnoreEnd } } } $propertyReflection->setAccessible( true ); return $propertyReflection; } } class A { private static function func( &$ref ) { $ref = 42; } } $a = TestingAccessWrapper::newFromClass( A::class ); $b = 0; $a->func( $b ); $a->func( &$b ); echo $b;

Version	System time (s)	User time (s)	Memory (MiB)
8.0.8	0.003	0.012	16.81
8.0.7	0.015	0.009	16.82
8.0.6	0.020	0.003	16.84
8.0.5	0.010	0.013	16.75
8.0.3	0.012	0.018	16.88
8.0.2	0.020	0.008	16.82
8.0.1	0.022	0.003	16.93
8.0.0	0.007	0.010	16.96
7.4.21	0.006	0.019	16.39
7.4.20	0.013	0.010	16.43
7.4.19	0.017	0.006	16.48
7.4.18	0.021	0.008	16.52
7.4.16	0.059	0.011	16.30
7.4.15	0.026	0.006	16.41
7.4.14	0.000	0.023	16.31
7.4.13	0.016	0.006	16.09
7.4.12	0.011	0.014	16.31
7.4.11	0.021	0.002	16.32
7.4.10	0.004	0.018	16.25
7.4.9	0.019	0.004	16.38
7.4.8	0.019	0.005	16.33
7.4.7	0.014	0.009	16.16
7.4.6	0.012	0.010	16.20
7.4.5	0.013	0.013	16.16
7.4.4	0.011	0.014	16.27
7.4.3	0.042	0.005	16.31
7.4.2	0.011	0.011	16.09
7.4.1	0.013	0.010	16.27
7.4.0	0.016	0.006	16.12
7.3.29	0.018	0.006	16.10
7.3.28	0.016	0.007	16.11
7.3.27	0.015	0.015	16.30
7.3.26	0.004	0.019	16.11
7.3.25	0.015	0.008	16.11
7.3.24	0.031	0.014	16.30
7.3.23	0.011	0.012	16.14
7.3.22	0.018	0.006	16.05
7.3.21	0.016	0.012	16.09
7.3.20	0.027	0.003	16.09
7.3.19	0.016	0.012	16.24
7.3.18	0.022	0.007	16.23
7.3.17	0.018	0.011	16.16
7.3.16	0.016	0.011	16.14
7.3.15	0.017	0.007	16.04
7.3.14	0.017	0.008	16.15
7.3.13	0.017	0.010	16.05
7.3.12	0.030	0.013	16.03
7.3.11	0.012	0.012	16.02
7.3.10	0.015	0.007	16.05
7.3.9	0.013	0.009	16.23
7.3.8	0.011	0.011	16.05
7.3.7	0.013	0.009	16.22
7.3.6	0.017	0.006	16.27
7.3.5	0.020	0.008	16.24
7.3.4	0.011	0.015	16.27
7.3.3	0.023	0.003	16.18
7.3.2	0.016	0.007	16.18
7.3.1	0.036	0.007	16.09
7.3.0	0.014	0.009	16.21