3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace { class Foo { public function method () { return function () { var_dump(__FUNCTION__, __METHOD__); }; } } $closure = (new Foo())->method(); $closure(); } namespace InNamespace { class Foo { public function method () { return function () { var_dump(__FUNCTION__, __METHOD__); }; } } $closure = (new Foo())->method(); $closure(); }
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
string(9) "{closure}" string(9) "{closure}" string(21) "InNamespace\{closure}" string(21) "InNamespace\{closure}"
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28
string(9) "{closure}" string(14) "Foo::{closure}" string(21) "InNamespace\{closure}" string(38) "InNamespace\Foo::InNamespace\{closure}"
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_OBJECT_OPERATOR in /in/4fVFE on line 11
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 '{' in /in/4fVFE 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 '{' in /in/4fVFE on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/4fVFE on line 3
Process exited with code 255.

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