(PHP 5, PHP 7, PHP 8)
ArrayObject::getIterator — Create a new iterator from an ArrayObject instance
此函数没有参数。
An iterator from an ArrayObject.
示例 #1 ArrayObject::getIterator() example
<?php
$array = array('1' => 'one',
'2' => 'two',
'3' => 'three');
$arrayobject = new ArrayObject($array);
$iterator = $arrayobject->getIterator();
while($iterator->valid()) {
echo $iterator->key() . ' => ' . $iterator->current() . "\n";
$iterator->next();
}
?>以上示例会输出：
1 => one 2 => two 3 => three