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<?php $pdo = new ReflectionClass('Pdo'); $constructor = $pdo->getMethod('__construct'); $parameters = $constructor->getParameters(); $option = $parameters[3]; var_dump($option->isOptional()); // bool(true) var_dump($option->isDefaultValueAvailable()); // bool(false)
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
bool(true) bool(true)
Output for 5.2.5 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
bool(true) bool(false)
Output for 5.1.1 - 5.1.6, 5.2.0 - 5.2.4
Notice: Undefined offset: 3 in /in/Ll7Mj on line 7 Fatal error: Call to a member function isOptional() on a non-object in /in/Ll7Mj on line 9
Process exited with code 255.
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/Ll7Mj on line 10
Process exited with code 255.
Output for 5.0.3 - 5.0.5
Fatal error: Uncaught exception 'ReflectionException' with message 'Class Pdo does not exist' in /in/Ll7Mj:4 Stack trace: #0 /in/Ll7Mj(4): ReflectionClass->__construct('Pdo') #1 {main} thrown in /in/Ll7Mj on line 4
Process exited with code 255.
Output for 5.0.0 - 5.0.2
Fatal error: Uncaught exception 'ReflectionException' with message 'Class Pdo does not exist' in /in/Ll7Mj:4 Stack trace: #0 {main} thrown in /in/Ll7Mj on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9
Fatal error: Cannot instantiate non-existent class: reflectionclass in /in/Ll7Mj on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: reflectionclass in /in/Ll7Mj on line 4

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