3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $subdir = 'rasmus'; $file = 'phpfi'; class _ { const DIR = __DIR__; } echo "{${'_'::DIR}}/{$subdir}/{$file}\n"; ?>
based on 9JEWD
Output for hhvm-3.15.4, 7.0.0 - 7.2.6
Notice: Undefined variable: /in in /in/2mMKb on line 8 /rasmus/phpfi
Output for 5.6.0 - 5.6.30
Parse error: syntax error, unexpected '::' (T_PAAMAYIM_NEKUDOTAYIM) in /in/2mMKb on line 8
Process exited with code 255.