3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php namespace { const A = 1; } namespace Alt { const A = 3; } namespace UsingAlt { use const Alt\A; var_dump(A); }
based on 8XXAb
Output for 5.6.8 - 5.6.28, 7.0.0 - 7.1.0
int(3)
Output for hhvm-3.10.0 - 3.12.0
Fatal error: Cannot use const Alt\A as A because the name is already in use in (Line: 12, Char: 17) in /in/udEv1 on line 12
Process exited with code 255.
Output for 5.4.0 - 5.5.35
Parse error: syntax error, unexpected 'const' (T_CONST), expecting identifier (T_STRING) or \\ (T_NS_SEPARATOR) in /in/udEv1 on line 12
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_CONST, expecting T_STRING or T_NS_SEPARATOR in /in/udEv1 on line 12
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected '{' in /in/udEv1 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 '{' in /in/udEv1 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/udEv1 on line 3
Process exited with code 255.