3v4l.org

run code in 500+ PHP versions simultaneously
<?php class Foo { public function __construct( public ?string|array $bar, ) { } } $foo = new Foo('test'); var_dump($foo);
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.25
Parse error: syntax error, unexpected 'public' (T_PUBLIC), expecting variable (T_VARIABLE) in /in/r7KOM on line 6
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.34, 8.3.0 - 8.3.5
Parse error: syntax error, unexpected token "|", expecting variable in /in/r7KOM on line 6
Process exited with code 255.
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