Appends an iterator

# AppendIterator::append

(PHP 5 >= 5.1.0, PHP 7, PHP 8)

AppendIterator::append — Appends an iterator

### 说明

public function AppendIterator::append(Iterator `$iterator`): void

Appends an iterator.

### 参数

`iterator`

  The iterator to append.

### 返回值

没有返回值。

### 示例

示例 #1 AppendIterator::append() example

    <?php
    $array_a = new ArrayIterator(array('a', 'b', 'c'));
    $array_b = new ArrayIterator(array('d', 'e', 'f'));

    $iterator = new AppendIterator;
    $iterator->append($array_a);
    $iterator->append($array_b);

    foreach ($iterator as $current) {
        echo $current;
    }
    ?>

以上示例会输出：

    abcdef

### 参见

- AppendIterator::__construct() - Constructs an AppendIterator

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