3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace Foo; class Bar {} class Baz { public function __construct(public Bar $bar = new Bar()) {} } var_export(new Baz());
Output for 8.2.0 - 8.2.29, 8.3.5 - 8.3.27, 8.4.1 - 8.4.14
\Foo\Baz::__set_state(array( 'bar' => \Foo\Bar::__set_state(array( )), ))
Output for 8.1.0 - 8.1.33
Foo\Baz::__set_state(array( 'bar' => Foo\Bar::__set_state(array( )), ))
Output for 8.0.0 - 8.0.26
Fatal error: Constant expression contains invalid operations in /in/8MABn on line 6
Process exited with code 255.
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Parse error: syntax error, unexpected 'public' (T_PUBLIC), expecting variable (T_VARIABLE) in /in/8MABn on line 6
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38
Parse error: syntax error, unexpected 'public' (T_PUBLIC), expecting '&' or variable (T_VARIABLE) in /in/8MABn on line 6
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_PUBLIC, expecting '&' or T_VARIABLE in /in/8MABn on line 6
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
Parse error: syntax error, unexpected T_STRING in /in/8MABn 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_STRING in /in/8MABn on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/8MABn on line 3
Process exited with code 255.

preferences:
121.89 ms | 416 KiB | 5 Q