Constructs a new MultipleIterator

# MultipleIterator::__construct

(PHP 5 >= 5.3.0, PHP 7, PHP 8)

MultipleIterator::__construct — Constructs a new MultipleIterator

### Description

public MultipleIterator::__construct(int `$flags` = MultipleIterator::MIT_NEED_ALL | MultipleIterator::MIT_KEYS_NUMERIC)

Construct a new MultipleIterator.

### Parameters

`flags`

  The flags to set, according to the Flag Constants.

  - `MultipleIterator::MIT_NEED_ALL` or `MultipleIterator::MIT_NEED_ANY`
  - `MultipleIterator::MIT_KEYS_NUMERIC` or `MultipleIterator::MIT_KEYS_ASSOC`

  Defaults to `MultipleIterator::MIT_NEED_ALL`|`MultipleIterator::MIT_KEYS_NUMERIC`.

### Examples

Example #1 Iterating a MultipleIterator

`<?php
$people = new ArrayIterator(array('John', 'Jane', 'Jack', 'Judy'));
$roles = new ArrayIterator(array('Developer', 'Scrum Master', 'Project Owner'));
$team = new MultipleIterator($flags);
$team->attachIterator($people, 'person');
$team->attachIterator($roles, 'role');
foreach ($team as $member) {
print_r($member);
}
?>`

Output with `$flags = MIT_NEED_ALL|MIT_KEYS_NUMERIC`

    Array
    (
        [0] => John
        [1] => Developer
    )
    Array
    (
        [0] => Jane
        [1] => Scrum Master
    )
    Array
    (
        [0] => Jack
        [1] => Project Owner
    )

Output with `$flags = MIT_NEED_ANY|MIT_KEYS_NUMERIC`

    Array
    (
        [0] => John
        [1] => Developer
    )
    Array
    (
        [0] => Jane
        [1] => Scrum Master
    )
    Array
    (
        [0] => Jack
        [1] => Project Owner
    )
    Array
    (
        [0] => Judy
        [1] =>
    )

Output with `$flags = MIT_NEED_ALL|MIT_KEYS_ASSOC`

    Array
    (
        [person] => John
        [role] => Developer
    )
    Array
    (
        [person] => Jane
        [role] => Scrum Master
    )
    Array
    (
        [person] => Jack
        [role] => Project Owner
    )

Output with `$flags = MIT_NEED_ANY|MIT_KEYS_ASSOC`

    Array
    (
        [person] => John
        [role] => Developer
    )
    Array
    (
        [person] => Jane
        [role] => Scrum Master
    )
    Array
    (
        [person] => Jack
        [role] => Project Owner
    )
    Array
    (
        [person] => Judy
        [role] =>
    )

### See Also

- Flag Constants
- MultipleIterator::valid() - Checks the validity of sub iterators

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