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run code in 150+ php & hhvm versions
Bugs & Features
<?php namespace foo; define('NULL', 1); define('TRUE', false); define('FALSE', true); var_dump(NULL, TRUE, FALSE); # 1, false, true
based on rmRKg
Output for 7.0.0 - 7.1.0
NULL bool(true) bool(false)
Output for hhvm-3.10.0 - 3.12.0
Notice: Constant NULL already defined in /in/WMHbD on line 5 Notice: Constant TRUE already defined in /in/WMHbD on line 6 Notice: Constant FALSE already defined in /in/WMHbD on line 7 NULL bool(true) bool(false)
Output for 5.3.0 - 5.6.28
int(1) bool(false) bool(true)
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_STRING in /in/WMHbD on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STRING in /in/WMHbD on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/WMHbD on line 3
Process exited with code 255.