ArrayIterator::rewind
(PHP 5, PHP 7, PHP 8)
ArrayIterator::rewind — 配列を最初に巻き戻す
パラメータ
この関数にはパラメータはありません。
戻り値
値を返しません。
例
例1 ArrayIterator::rewind() の例
<?php
$arrayobject = new ArrayObject();
$arrayobject[] = 'zero';
$arrayobject[] = 'one';
$arrayobject[] = 'two';
$iterator = $arrayobject->getIterator();
$iterator->next();
echo $iterator->key(); //1
$iterator->rewind(); //最初に巻き戻す
echo $iterator->key(); //0
?>
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