3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Number { private $v = 0; public function __construct($v) { $this->v = $v; } public function mul() { return function ($x) { return $this->v * $x; }; $one = new Number(1); $two = new Number(2); $double = $two->mul()->bindTo($one); echo $double(5);
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.29, 7.3.0 - 7.3.16, 7.4.0 - 7.4.4
Parse error: syntax error, unexpected end of file in /in/6qCQb on line 10
Process exited with code 255.
preferences:
213.8 ms | 1400 KiB | 168 Q