3v4l.org

run code in 500+ PHP versions simultaneously
<?php class Bar { } class Foo { public function __construct( public Bar $bar = new Bar() ) { } } var_dump(new Foo());
Output for 8.1.0 - 8.1.34, 8.2.21 - 8.2.30, 8.3.5 - 8.3.31, 8.4.1 - 8.4.22, 8.5.0 - 8.5.7
object(Foo)#1 (1) { ["bar"]=> object(Bar)#2 (0) { } }
Output for 8.0.1 - 8.0.14
Fatal error: Constant expression contains invalid operations in /in/vcqT5 on line 9
Process exited with code 255.
Output for 7.4.0 - 7.4.27
Parse error: syntax error, unexpected 'public' (T_PUBLIC), expecting variable (T_VARIABLE) in /in/vcqT5 on line 10
Process exited with code 255.
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56.03 ms | 934 KiB | 4 Q