3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function __NAMESPACE__() { return 42; } $f = "__NAMESPACE__"; var_dump($f());
based on bjMqc
Output for 5.4.11 - 5.4.45, 7.0.0 - 7.0.1
Parse error: syntax error, unexpected '__NAMESPACE__' (T_NS_C), expecting identifier (T_STRING) or '(' in /in/1E2EO on line 2
Process exited with code 255.
Output for 5.5.24 - 5.6.16
Parse error: syntax error, unexpected '__NAMESPACE__' (T_NS_C), expecting '(' in /in/1E2EO on line 2
Process exited with code 255.
Output for 5.3.21 - 5.3.29
Parse error: syntax error, unexpected T_NS_C, expecting T_STRING or '(' in /in/1E2EO on line 2
Process exited with code 255.