3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function f($req, $opt = null,Exception ...$params) { // $params is an array containing the remaining arguments. printf('$req: %d; $opt: %d; number of params: %d'."\n", $req, $opt, count($params)); } f(1); f(1, 2); f(1, 2, 3); f(1, 2, 3, 4); f(1, 2, 3, 4, 5);
based on KpHIL
Output for 7.0.0 - 7.1.0
$req: 1; $opt: 0; number of params: 0 $req: 1; $opt: 2; number of params: 0 Fatal error: Uncaught TypeError: Argument 3 passed to f() must be an instance of Exception, integer given, called in /in/18i89 on line 10 and defined in /in/18i89:2 Stack trace: #0 /in/18i89(10): f(1, 2, 3) #1 {main} thrown in /in/18i89 on line 2
Process exited with code 255.
Output for hhvm-3.12.0
Fatal error: Parameter $params is variadic and has a type constraint (Exception); variadic params with type constraints are not supported in /in/18i89 on line 2
Process exited with code 255.
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.6.8 - 5.6.28
$req: 1; $opt: 0; number of params: 0 $req: 1; $opt: 2; number of params: 0 Catchable fatal error: Argument 3 passed to f() must be an instance of Exception, integer given, called in /in/18i89 on line 10 and defined in /in/18i89 on line 2
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/18i89 on line 2
Process exited with code 255.
Output for 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '.', expecting '&' or T_VARIABLE in /in/18i89 on line 2
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected '.', expecting '&' or T_VARIABLE in /in/18i89 on line 2
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting '&' or T_VARIABLE or T_CONST in /in/18i89 on line 2
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 '&' or T_VARIABLE or T_CONST in /in/18i89 on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `'&'' or `T_VARIABLE' or `T_CONST' in /in/18i89 on line 2
Process exited with code 255.