3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace Foo\Bar\Baz; $closureBeforeDefined = function () { return constant('A_RELATIVE_CONSTANT'); }; define('A_RELATIVE_CONSTANT', 'IN GLOBAL NAMESPACE'); var_dump($closureBeforeDefined()); define('Foo\\Bar\\Baz\\A_RELATIVE_CONSTANT', 'IN RELATIVE NAMESPACE'); $closureAfterDefined = function () { return constant('A_RELATIVE_CONSTANT'); }; var_dump($closureBeforeDefined()); var_dump($closureAfterDefined()); $constants = get_defined_constants(true); var_dump($constants['user']);
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
string(19) "IN GLOBAL NAMESPACE" string(19) "IN GLOBAL NAMESPACE" string(19) "IN GLOBAL NAMESPACE" array(2) { ["A_RELATIVE_CONSTANT"]=> string(19) "IN GLOBAL NAMESPACE" ["Foo\Bar\Baz\A_RELATIVE_CONSTANT"]=> string(21) "IN RELATIVE NAMESPACE" }
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/44AEp 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 T_STRING in /in/44AEp on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/44AEp on line 3
Process exited with code 255.
preferences:
208.86 ms | 401 KiB | 310 Q