3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function g($x=0){ return $x?'o':function($y){return g($y);}; } echo g() , PHP_EOL; echo g()() , PHP_EOL; echo g()()() , PHP_EOL; echo g()()()() , PHP_EOL;
based on gNd72
Output for 7.1.0
Recoverable fatal error: Object of class Closure could not be converted to string in /in/LkFm7 on line 6
Process exited with code 255.
Output for 7.0.0 - 7.0.14
Catchable fatal error: Object of class Closure could not be converted to string in /in/LkFm7 on line 6
Process exited with code 255.
Output for hhvm-3.10.0 - 3.12.0
Catchable fatal error: Object of class Closure$g;747190780 could not be converted to string in /in/LkFm7 on line 6
Process exited with code 255.
Output for 5.3.0 - 5.6.28
Parse error: syntax error, unexpected '(', expecting ',' or ';' in /in/LkFm7 on line 7
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/LkFm7 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_FUNCTION in /in/LkFm7 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/LkFm7 on line 3
Process exited with code 255.