3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php // https://gist.github.com/dave1010/11393640 class Bar{} $bars = [new Bar, new Bar, new Bar]; $ints = [1, 2, 3]; // without variadics // lots of manual type checking function oldFoo($bars) { foreach ($bars as $bar) { if (!$bar instanceof Bar) { throw new InvalidArgumentException("Must be a Bar."); } } echo "Got " . count($bars) . " bars.\n"; } // php 5.6 style // just look at this lovely type checking! function foo(Bar ...$bars) { echo "Got " . count($bars) . " bars.\n"; } foo(...$bars); // fatal error foo(...$ints); oldFoo($bars); // InvalidArgumentException oldFoo($ints);
Output for 7.0.0 - 7.1.0
Got 3 bars. Fatal error: Uncaught TypeError: Argument 1 passed to foo() must be an instance of Bar, integer given, called in /in/Pj7m9 on line 31 and defined in /in/Pj7m9:23 Stack trace: #0 /in/Pj7m9(31): foo(1, 2, 3) #1 {main} Next TypeError: Argument 2 passed to foo() must be an instance of Bar, integer given, called in /in/Pj7m9 on line 31 and defined in /in/Pj7m9:23 Stack trace: #0 /in/Pj7m9(31): foo(1, 2, 3) #1 {main} Next TypeError: Argument 3 passed to foo() must be an instance of Bar, integer given, called in /in/Pj7m9 on line 31 and defined in /in/Pj7m9:23 Stack trace: #0 /in/Pj7m9(31): foo(1, 2, 3) #1 {main} thrown in /in/Pj7m9 on line 23
Process exited with code 255.
Output for hhvm-3.10.0 - 3.12.0
Fatal error: Parameter $bars is variadic and has a type constraint (Bar); variadic params with type constraints are not supported in /in/Pj7m9 on line 23
Process exited with code 255.
Output for 5.6.8 - 5.6.28
Got 3 bars. Catchable fatal error: Argument 1 passed to foo() must be an instance of Bar, integer given, called in /in/Pj7m9 on line 31 and defined in /in/Pj7m9 on line 23
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/Pj7m9 on line 23
Process exited with code 255.
Output for 5.3.7 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/Pj7m9 on line 6
Process exited with code 255.