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<?php namespace N; define('false', '- false -'); define('\N\false', '- \\N\\false -'); define('N\false', '- N\\false -'); define('FALSE', '- FALSE -'); define('null', '- null -'); define('\N\null', '- \\N\\null -'); define('N\null', '- N\\null -'); define('NULL', '- NULL -'); define('N\NULL', '- N\\NULL -'); var_export(array(TRUE, true, FALSE, false, NULL, null));
Output for 8.5.0 - 8.5.3
Warning: Constant false already defined, this will be an error in PHP 9 in /in/i796C on line 3 Warning: Constant FALSE already defined, this will be an error in PHP 9 in /in/i796C on line 6 Warning: Constant null already defined, this will be an error in PHP 9 in /in/i796C on line 7 Warning: Constant NULL already defined, this will be an error in PHP 9 in /in/i796C on line 10 array ( 0 => true, 1 => true, 2 => false, 3 => false, 4 => NULL, 5 => NULL, )
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18
Warning: Constant false already defined in /in/i796C on line 3 Warning: Constant FALSE already defined in /in/i796C on line 6 Warning: Constant null already defined in /in/i796C on line 7 Warning: Constant NULL already defined in /in/i796C on line 10 array ( 0 => true, 1 => true, 2 => false, 3 => false, 4 => NULL, 5 => NULL, )
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: Constant false already defined in /in/i796C on line 3 Notice: Constant null already defined in /in/i796C on line 7 array ( 0 => true, 1 => true, 2 => false, 3 => false, 4 => NULL, 5 => NULL, )
Output for 7.3.32 - 7.3.33
array ( 0 => true, 1 => true, 2 => false, 3 => false, 4 => NULL, 5 => NULL, )
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Notice: Constant false already defined in /in/i796C on line 3 Notice: Constant null already defined in /in/i796C on line 7 array ( 0 => true, 1 => true, 2 => '- FALSE -', 3 => '- N\\false -', 4 => '- N\\NULL -', 5 => '- N\\null -', )
preferences:
104.85 ms | 1742 KiB | 4 Q