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<?php var_dump(0 == '0'); namespace Foo\Bar\Baz; $closureBeforeDefined = function () { return A_RELATIVE_CONSTANT; }; define('A_RELATIVE_CONSTANT', 'IN GLOBAL NAMESPACE'); var_dump($closureBeforeDefined()); define('Foo\\Bar\\Baz\\A_RELATIVE_CONSTANT', 'IN RELATIVE NAMESPACE'); $closureAfterDefined = function () { return A_RELATIVE_CONSTANT; }; var_dump($closureBeforeDefined()); var_dump($closureAfterDefined());
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.32
Fatal error: Namespace declaration statement has to be the very first statement in the script in /in/kv9uD on line 5
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 T_STRING in /in/kv9uD on line 5
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 T_STRING in /in/kv9uD on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/kv9uD on line 5
Process exited with code 255.

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