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<?php var_dump(null); // null var_dump(NULL); // null define("NULL","hello world"); var_dump(null); // null var_dump(NULL); // hello world define("null","hello world"); //Notice: Constant null already defined
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
NULL NULL Warning: Constant NULL already defined in /in/sjAR8 on line 4 NULL NULL Warning: Constant null already defined in /in/sjAR8 on line 7
Output for 5.1.3 - 5.1.6, 5.2.0 - 5.2.17, 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 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.33
NULL NULL NULL NULL Notice: Constant null already defined in /in/sjAR8 on line 7
Output for 7.3.32 - 7.3.33
NULL NULL NULL NULL
Output for 4.3.0 - 4.3.6, 4.3.9 - 4.3.11, 4.4.0 - 4.4.9, 5.0.1 - 5.0.5, 5.1.1 - 5.1.2
NULL NULL NULL string(11) "hello world" Notice: Constant null already defined in /in/sjAR8 on line 7
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/sjAR8 on line 7
Process exited with code 255.
Output for 4.3.7 - 4.3.8, 5.0.0
NULL NULL NULL string(11) "hello world" Notice: Constant already defined in /in/sjAR8 on line 7
preferences:
197.6 ms | 401 KiB | 312 Q