zend_interfaces.stub.php

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<?php

 
interface Traversable {}
 
interface IteratorAggregate extends Traversable
{
    public function getIterator(): Traversable;
}
 
interface Iterator extends Traversable
{
    public function current(): mixed;

    public function next(): void;

    public function key(): mixed;

    public function valid(): bool;

    public function rewind(): void;
}
 
interface ArrayAccess
{
    public function offsetExists(mixed $offset): bool;

    public function offsetGet(mixed $offset): mixed;

    public function offsetSet(mixed $offset, mixed $value): void;

    public function offsetUnset(mixed $offset): void;
}
 
interface Serializable
{
    public function serialize();

    public function unserialize(string $data);
}
 
interface Countable
{
    public function count(): int;
}
 
interface Stringable
{
    public function __toString(): string;
}

final class InternalIterator implements Iterator
{
    private function __construct() {}
 
    public function current(): mixed {}
 
    public function key(): mixed {}
 
    public function next(): void {}
 
    public function valid(): bool {}
 
    public function rewind(): void {}
}