3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Test{ public $delta = ['0']; public static function test(){ $t = function( $id = 1) { print_r($id); }; return $t; } } var_dump(Test::test());
Output for 8.1.23 - 8.1.28, 8.2.10 - 8.2.18, 8.3.0 - 8.3.7
object(Closure)#1 (1) { ["parameter"]=> array(1) { ["$id"]=> string(10) "<optional>" } }
Output for 5.4.0 - 5.4.34
Fatal error: Constructor Test::test() cannot be static in /in/GKB1Y on line 10
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/GKB1Y on line 3
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/GKB1Y on line 3
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/GKB1Y 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
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/GKB1Y on line 3
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/GKB1Y on line 3
Process exited with code 255.

preferences:
125.46 ms | 401 KiB | 145 Q