3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { function bar($test = false) { var_dump($test); return 'baz'; } } $foo = array(new Foo, 'bar'); var_dump($foo(true));
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 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, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
bool(true) string(3) "baz"
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Fatal error: Function name must be a string in /in/Qb8Rs on line 14
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Notice: Array to string conversion in /in/Qb8Rs on line 14 Fatal error: Call to undefined function: array() in /in/Qb8Rs on line 14
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
Notice: Array to string conversion in /in/Qb8Rs on line 14 Fatal error: Call to undefined function: array() in /in/Qb8Rs on line 14
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Notice: Array to string conversion in /in/Qb8Rs on line 14 Fatal error: Call to undefined function: array() in /in/Qb8Rs on line 14

preferences:
224.59 ms | 401 KiB | 322 Q