3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { private $_bar; private $_baz; public function __construct($bar, $baz) { $this->_bar = $bar; $this->_baz = $baz; } } $params = [42, null]; $foo = new Foo(...$params); print_r($foo);
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Foo Object ( [_bar:Foo:private] => 42 [_baz:Foo:private] => )
Output for 5.5.0 - 5.5.38
Parse error: syntax error, unexpected '.' in /in/46feF on line 13
Process exited with code 255.
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected '.', expecting ')' in /in/46feF on line 13
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/46feF on line 12
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/46feF on line 12
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/46feF on line 4
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
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/46feF on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/46feF on line 4
Process exited with code 255.

preferences:
296.09 ms | 401 KiB | 460 Q