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run code in 150+ php & hhvm versions
Bugs & Features
<?php $rf = new ReflectionMethod('DOMDocument', 'loadHTML'); echo $rf->getNumberOfParameters();
Output for 5.4.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
2
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.2.6 - 5.3.29
1
Output for 5.0.3 - 5.2.5
0
Output for 5.0.0 - 5.0.2
Fatal error: Call to undefined method ReflectionMethod::getNumberOfParameters() in /in/ECvs8 on line 4
Process exited with code 255.
Output for 4.3.2 - 4.4.9
Fatal error: Cannot instantiate non-existent class: reflectionmethod in /in/ECvs8 on line 3
Process exited with code 255.
Output for 4.3.1
Fatal error: Cannot instantiate non-existent class: reflectionmethod in /in/ECvs8 on line 3
Output for 4.3.0
Fatal error: Cannot instantiate non-existent class: reflectionmethod in /in/jenYV on line 3