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run code in 150+ php & hhvm versions
Bugs & Features
<?php namespace { call_user_func(function () { var_dump(__FUNCTION__, __METHOD__); }); class Foo { public function method () { return function () { var_dump(__FUNCTION__, __METHOD__); }; } } $closure = (new Foo())->method(); $closure(); } namespace InNamespace { var_dump(__CLASS__); call_user_func(function () { var_dump(__FUNCTION__, __METHOD__); }); class Foo { public function method () { return function () { var_dump(__FUNCTION__, __METHOD__); }; } } $closure = (new Foo())->method(); $closure(); }
Output for 7.0.0 - 7.1.0
string(9) "{closure}" string(9) "{closure}" string(9) "{closure}" string(9) "{closure}" string(0) "" string(21) "InNamespace\{closure}" string(21) "InNamespace\{closure}" string(21) "InNamespace\{closure}" string(21) "InNamespace\{closure}"
Output for hhvm-3.12.0
string(9) "{closure}" string(9) "{closure}" string(9) "{closure}" string(14) "Foo::{closure}" string(0) "" string(9) "{closure}" string(9) "{closure}" string(9) "{closure}" string(26) "InNamespace\Foo::{closure}"
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.4.0 - 5.6.28
string(9) "{closure}" string(9) "{closure}" string(9) "{closure}" string(14) "Foo::{closure}" string(0) "" string(21) "InNamespace\{closure}" string(21) "InNamespace\{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/lP2AD on line 13
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected '{' in /in/lP2AD on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '{' in /in/lP2AD on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/lP2AD on line 3
Process exited with code 255.