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<?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
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
15
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28
Parse error: syntax error, unexpected 'class' (T_CLASS) in /in/p10bk on line 5
Process exited with code 255.
preferences:
199.64 ms | 402 KiB | 271 Q