3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function reduce(int $a, int $b, callback $reducer) : int { return $reducer($a, $b); } reduce(1, 2, function($a, $b, $c){ return $a + $b + $c; });
Output for 7.0.0 - 7.3.1
Fatal error: Uncaught TypeError: Argument 3 passed to reduce() must be an instance of callback, instance of Closure given, called in /in/4iIs6 on line 9 and defined in /in/4iIs6:3 Stack trace: #0 /in/4iIs6(9): reduce(1, 2, Object(Closure)) #1 {main} thrown in /in/4iIs6 on line 3
Process exited with code 255.
Output for hhvm-3.22.0
Fatal error: Uncaught TypeError: Argument 3 passed to reduce() must be an instance of callback, Closure$;4 given in /in/4iIs6:-1 Stack trace: #0 /in/4iIs6(-1): reduce() #1 {main}
Process exited with code 255.
Output for hhvm-3.21.0 - 3.21.3
Fatal error: Uncaught TypeError: Argument 3 passed to reduce() must be an instance of callback, Closure$;4 given in /in/4iIs6:5 Stack trace: #0 /in/4iIs6(9): reduce() #1 {main}
Process exited with code 255.
Output for hhvm-3.17.3 - 3.20.2
Fatal error: Uncaught TypeError: Argument 3 passed to reduce() must be an instance of callback, Closure$;2 given in /in/4iIs6:5 Stack trace: #0 /in/4iIs6(9): reduce() #1 {main}
Process exited with code 255.
Output for hhvm-3.15.4
Fatal error: Uncaught TypeError: Argument 3 passed to reduce() must be an instance of callback, Closure$reduce;1093096838$be815933166184ca70e302d82b26b5ef$ given in /in/4iIs6:5 Stack trace: #0 /in/4iIs6(9): reduce() #1 {main}
Process exited with code 255.
Output for hhvm-3.12.14 - 3.13.2
Fatal error: Uncaught TypeError: Argument 3 passed to reduce() must be an instance of callback, Closure$reduce;1093096838$f95ed5fdf8d0d8c428d4fbd21234eab4$ given in /in/4iIs6:5 Stack trace: #0 /in/4iIs6(9): reduce() #1 {main}
Process exited with code 255.
Output for hhvm-3.11.1
Fatal error: Uncaught TypeError: Argument 3 passed to reduce() must be an instance of callback, Closure$reduce;1093096838$2f592210d0b76cbfbcd577ddb540115$ given in /in/4iIs6:5 Stack trace: #0 /in/4iIs6(9): reduce() #1 {main}
Process exited with code 255.
Output for hhvm-3.10.1
Fatal error: Syntax only allowed in Hack files (<?hh) or with -v Eval.EnableHipHopSyntax=true in /in/4iIs6 on line 3
Process exited with code 255.
Output for 5.1.0 - 5.6.38
Parse error: syntax error, unexpected ':', expecting '{' in /in/4iIs6 on line 3
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected ':', expecting '{' in /in/4iIs6 on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting ')' in /in/4iIs6 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting ')' in /in/4iIs6 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/4iIs6 on line 3
Process exited with code 255.