3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump((new ReflectionFunction("xml_set_external_entity_ref_handler"))->getReturnType()->getName());
Output for 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
string(4) "true"
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.33
string(4) "bool"
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Fatal error: Uncaught Error: Call to a member function getName() on null in /in/fnFO5:3 Stack trace: #0 {main} thrown in /in/fnFO5 on line 3
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Fatal error: Call to undefined method ReflectionFunction::getReturnType() in /in/fnFO5 on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_OBJECT_OPERATOR in /in/fnFO5 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_OBJECT_OPERATOR in /in/fnFO5 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/fnFO5 on line 3
Process exited with code 255.

preferences:
156.57 ms | 413 KiB | 5 Q