3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function a() {} $r = new \ReflectionFunction('a'); var_dump($r->getNamespaceName());
Output for 5.3.0 - 7.2.0
string(0) ""
Output for 5.0.0 - 5.2.17
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/ELcvv on line 5 Fatal error: Call to undefined method ReflectionFunction::getNamespaceName() in /in/ELcvv on line 7
Process exited with code 255.
Output for 4.3.2 - 4.4.9
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/ELcvv on line 5 Fatal error: Cannot instantiate non-existent class: reflectionfunction in /in/ELcvv on line 5
Process exited with code 255.
Output for 4.3.1
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/ELcvv on line 5 Fatal error: Cannot instantiate non-existent class: reflectionfunction in /in/ELcvv on line 5
Output for 4.3.0
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/bdN0K on line 5 Fatal error: Cannot instantiate non-existent class: reflectionfunction in /in/bdN0K on line 5