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FilterIterator::__construct

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

FilterIterator::__constructConstruct a filterIterator

说明

public FilterIterator::__construct(Iterator $iterator)

Constructs a new FilterIterator, which consists of a passed in iterator with filters applied to it.

警告

本函数还未编写文档,仅有参数列表。

参数

iterator

The iterator that is being filtered.

参见

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User Contributed Notes 1 note

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-2
michael dot kaefer1 at gmx dot at
5 years ago
Usage example:

<?php

class AdultFilter extends \FilterIterator
{
public function
accept()
{
$person = $this->current();
if (
18 <= $person[1]) {
return
true;
}
return
false;
}
}

$persons = new \ArrayIterator([
[
'John', 27],
[
'Jack', 15],
[
'Jeff', 54],
]);

$adults = new AdultFilter($persons);

foreach (
$adults as $adult) {
var_dump($adult);
}
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