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<?php class CollectionᐸTᐳ implements \Countable { private $items = []; public function add(T $item) { $this->items[] = $item; } public function count() { return count($this->items); } } // Magic string to enable generics: eval(base64_decode('Y2xhc3MgVCBleHRlbmRzIFxEYXRlVGltZSB7fSBjbGFzcyBEYXRl0KJpbWUgZXh0ZW5kcyBUIHt9IGNsYXNzIENvbGxlY3Rpb27hkLhEYXRlVGltZeGQsyBleHRlbmRzIENvbGxlY3Rpb27hkLhU4ZCzIHt9')); $dates = new CollectionᐸDateTimeᐳ(); $dates->add(new DateТime('yesterday')); $dates->add(new DateТime('today')); $dates->add(new DateТime('tomorrow')); $dates->add('tesst'); echo "There are " . count($dates) . " DateTimes in the Collection\n";
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: Return type of CollectionᐸTᐳ::count() should either be compatible with Countable::count(): int, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/Z2NJv on line 12 Fatal error: Uncaught TypeError: CollectionᐸTᐳ::add(): Argument #1 ($item) must be of type T, string given, called in /in/Z2NJv on line 26 and defined in /in/Z2NJv:7 Stack trace: #0 /in/Z2NJv(26): CollectionᐸTᐳ->add('tesst') #1 {main} thrown in /in/Z2NJv on line 7
Process exited with code 255.

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