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<?php namespace { $closure = function () { var_dump(CONSTANT()); }; $closure = $closure->bindTo(null, 'Foo\\Scope'); $closure(); $closure = $closure->bindTo(null, 'Bar\\Scope'); $closure(); } namespace Foo { function CONSTANT() { return __NAMESPACE__; } class Scope {} } namespace Bar { function CONSTANT() { return __NAMESPACE__; } class Scope {} }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
Fatal error: Uncaught ArgumentCountError: constant() expects exactly 1 argument, 0 given in /in/NRDpU:5 Stack trace: #0 /in/NRDpU(5): constant() #1 /in/NRDpU(9): Foo\Scope::{closure}() #2 {main} thrown in /in/NRDpU on line 5
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33
Warning: constant() expects exactly 1 parameter, 0 given in /in/NRDpU on line 5 NULL Warning: constant() expects exactly 1 parameter, 0 given in /in/NRDpU on line 5 NULL
Output for 5.3.0 - 5.3.29
Fatal error: Call to undefined method Closure::bindTo() in /in/NRDpU on line 8
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/NRDpU 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/NRDpU on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/NRDpU on line 3
Process exited with code 255.

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