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<?php class Courier implements Countable { protected $count = 0; public function ship(Parcel $parcel) { $this->count++; return true; } public function count() { return $this->count; } } $courier = new Courier(); $courier->ship(new Parcel()); $courier->ship(new Parcel()); $courier->ship(new Parcel()); $courier->ship(new Parcel()); echo count($courier);
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: Return type of Courier::count() should either be compatible with Countable::count(): int, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/jvDs5 on line 12 Fatal error: Uncaught Error: Class "Parcel" not found in /in/jvDs5:18 Stack trace: #0 {main} thrown in /in/jvDs5 on line 18
Process exited with code 255.

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