3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function pop($f) { echo $f } function hop(Callable $on) { if (!is_string($on)) { echo "no pat no, don't sit on that"; } } hop('pop'); hop(NULL);
based on WEuFL
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.4.32
Parse error: syntax error, unexpected '}', expecting ',' or ';' in /in/4gqj5 on line 4
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 '}', expecting ',' or ';' in /in/4gqj5 on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `','' or `';'' in /in/4gqj5 on line 4
Process exited with code 255.