3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function sum($a) { return new class($a) { protected $value; public function __construct($value) { $this->value = $value; } public function __invoke($a) { return new static($this->value + $a); } public function __toString() { return (string) $this->value; } }; } echo sum(1)(2)(3)(4)(5); // 15 echo sum(10)(10)(10); // 30 echo sum(-1)(-2)(3)(-3)(2)(1); // 0
based on p10bk
Output for 7.0.0 - 7.2.0
15300
Output for 5.4.0 - 5.6.28
Parse error: syntax error, unexpected 'class' (T_CLASS) in /in/TmBPo on line 5
Process exited with code 255.
Output for 5.3.18 - 5.3.29
Parse error: syntax error, unexpected T_CLASS in /in/TmBPo on line 5
Process exited with code 255.