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run code in 300+ PHP versions simultaneously
<?php class Foo { public function __construct(public readonly string $name) {} } class FancyArray { public function __construct(public readonly array $array = []) {} public function addElement(mixed $element): self { if (false === $element instanceof Foo) { throw new Exception("GOVNYAK!!!"); } return new self(array_merge($this->array, [$element])); } public function removeElementByIndex(mixed $index): self { return new self(array_splice(...[$this->array, $index, 1])); } } $array = new FancyArray([new Foo('a'), new Foo('b')]); $modifiedArray = $array->removeElementByIndex(1) ->addElement(new Foo('c')) ->addElement(new Foo('d')); var_dump($array); var_dump($modifiedArray);
Output for 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
object(FancyArray)#1 (1) { ["array"]=> array(2) { [0]=> object(Foo)#2 (1) { ["name"]=> string(1) "a" } [1]=> object(Foo)#3 (1) { ["name"]=> string(1) "b" } } } object(FancyArray)#7 (1) { ["array"]=> array(3) { [0]=> object(Foo)#3 (1) { ["name"]=> string(1) "b" } [1]=> object(Foo)#5 (1) { ["name"]=> string(1) "c" } [2]=> object(Foo)#4 (1) { ["name"]=> string(1) "d" } } }
preferences:
58.57 ms | 408 KiB | 5 Q