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<?php class Test{ public $delta = ['0']; public function test(){ $t = static function( $id = 1) { print_r($id); }; return $t; } } $Test = new Test; var_dump($Test->test());
based on uHino
Output for 7.0.0 - 7.1.0
Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; Test has a deprecated constructor in /in/BtbtL on line 2 object(Closure)#2 (1) { ["parameter"]=> array(1) { ["$id"]=> string(10) "<optional>" } }
Output for hhvm-3.12.0
object(Closure$Test::test;1133715408)#3 (1) { ["parameter"]=> array(1) { ["$id"]=> string(10) "<optional>" } }
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.4.0 - 5.6.28
object(Closure)#2 (1) { ["parameter"]=> array(1) { ["$id"]=> string(10) "<optional>" } }
Output for 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/BtbtL on line 3
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/BtbtL 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/BtbtL on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/BtbtL 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/BtbtL on line 3
Process exited with code 255.