3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php class Chain { private $values = []; public function __construct($x) { $this->values[] = $x; } public function __invoke($x) { if ($x instanceof Closure) { return array_reduce($this->values, $x); } $this->values[] = $x; return $this; } } var_dump((new Chain(1))(2)(3)(function ($x, $y) { return $x + $y; }));
Output for 7.0.0 - 7.2.0
int(6)
Output for 5.4.10 - 5.6.28
Parse error: syntax error, unexpected '(' in /in/SgZjT on line 16
Process exited with code 255.
Output for 5.3.20 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/SgZjT on line 3
Process exited with code 255.