The ArrayIterator class

(PHP 5, PHP 7, PHP 8)

Introduction

Allows the removal of elements, and the modification of keys or values while iterating over arrays or objects.

To iterate the same array more than once, it is recommended to instantiate ArrayObject and use the ArrayIterator instance either implicitly created when using foreach to iterate over the array stored internally, or create one by calling the ArrayObject::getIterator() method manually.

Class synopsis

class ArrayIterator implements SeekableIterator, ArrayAccess, Serializable, Countable {
/* Constants */
public const int STD_PROP_LIST;
public const int ARRAY_AS_PROPS;
/* Methods */
public __construct(array|object $array = [], int $flags = 0)
public append(mixed $value): void
public asort(int $flags = SORT_REGULAR): true
public count(): int
public current(): mixed
public getArrayCopy(): array
public getFlags(): int
public key(): string|int|null
public ksort(int $flags = SORT_REGULAR): true
public natcasesort(): true
public natsort(): true
public next(): void
public offsetExists(mixed $key): bool
public offsetGet(mixed $key): mixed
public offsetSet(mixed $key, mixed $value): void
public offsetUnset(mixed $key): void
public rewind(): void
public seek(int $offset): void
public serialize(): string
public setFlags(int $flags): void
public uasort(callable $callback): true
public uksort(callable $callback): true
public unserialize(string $data): void
public valid(): bool
}

Predefined Constants

ArrayIterator Flags

ArrayIterator::STD_PROP_LIST

Properties of the object have their normal functionality when accessed as list (var_dump(), foreach, etc.).

ArrayIterator::ARRAY_AS_PROPS

Entries can be accessed as properties (read and write).

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