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run code in 300+ PHP versions simultaneously
<?php class Collection { private $things; public function __construct(Thing ...$things) { $this->things = $things; } public function applyToAll() { /** * This was the function in question */ array_map(function($thing) { $thing->apply(); }, $this->things); } } interface Thing { public function apply(); } class FooThing implements Thing { public function apply() { echo 'applied the way Foo does things.'; } } class BarThing implements Thing { public function apply() { echo 'Bar had something different done to it.'; } } $collection = new Collection(new FooThing, new BarThing); $collection->applyToAll();
Output for 5.6.38, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.31, 8.2.0 - 8.2.27, 8.3.0 - 8.3.16, 8.4.1 - 8.4.3
applied the way Foo does things.Bar had something different done to it.
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130.55 ms | 408 KiB | 5 Q