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run code in 150+ php & hhvm versions
Bugs & Features
<?php function userland_call_user_func(callable $function, ...$args) { return $function(...$args); } class Test { private function foo($bar) { echo new Exception; } public function call($callfunc) { $callfunc(array($this, 'foo'), 'bar'); } } $o = new Test; $o->call('call_user_func'); $o->call('userland_call_user_func');
based on QcNFf
Output for 7.0.0 - 7.1.0
Exception in /in/7ZCOM:6 Stack trace: #0 [internal function]: Test->foo('bar') #1 /in/7ZCOM(7): call_user_func(Array, 'bar') #2 /in/7ZCOM(11): Test->call('call_user_func') #3 {main} Fatal error: Uncaught TypeError: Argument 1 passed to userland_call_user_func() must be callable, array given, called in /in/7ZCOM on line 7 and defined in /in/7ZCOM:3 Stack trace: #0 /in/7ZCOM(7): userland_call_user_func(Array, 'bar') #1 /in/7ZCOM(12): Test->call('userland_call_u...') #2 {main} thrown in /in/7ZCOM on line 3
Process exited with code 255.
Output for hhvm-3.12.0
exception 'Exception' with message '' in /in/7ZCOM:6 Stack trace: #0 (): Test->foo() #1 /in/7ZCOM(7): call_user_func() #2 /in/7ZCOM(11): Test->call() #3 {main} Catchable fatal error: Argument 1 passed to userland_call_user_func() must be an instance of callable, array given in /in/7ZCOM on line 3
Process exited with code 255.
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.6.8 - 5.6.28
exception 'Exception' in /in/7ZCOM:6 Stack trace: #0 [internal function]: Test->foo('bar') #1 /in/7ZCOM(7): call_user_func(Array, 'bar') #2 /in/7ZCOM(11): Test->call('call_user_func') #3 {main} Catchable fatal error: Argument 1 passed to userland_call_user_func() must be callable, array given, called in /in/7ZCOM on line 7 and defined in /in/7ZCOM on line 3
Process exited with code 255.
Output for 5.4.0 - 5.5.35
Parse error: syntax error, unexpected '.', expecting '&' or variable (T_VARIABLE) in /in/7ZCOM on line 3
Process exited with code 255.
Output for 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '.', expecting '&' or T_VARIABLE in /in/7ZCOM on line 3
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected '.', expecting '&' or T_VARIABLE in /in/7ZCOM 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/7ZCOM 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/7ZCOM on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/7ZCOM on line 3
Process exited with code 255.