ConFoo 2025

Класс InfiniteIterator

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

Введение

Класс InfiniteIterator позволяет сделать бесконечный перебор итератора без необходимости вручную перебирать итератор до момента достижения его конца.

Обзор класса

class InfiniteIterator extends IteratorIterator {
/* Методы */
public __construct(Iterator $iterator)
public next(): void
/* Наследуемые методы */
}

Содержание

Добавить

Примечания пользователей 2 notes

up
20
Anonymous
12 years ago
to loop through object keys and reset to the start, try this:
<?php

$obj
= new stdClass();
$obj->Mon = "Monday";
$obj->Tue = "Tuesday";
$obj->Wed = "Wednesday";
$obj->Thu = "Thursday";
$obj->Fri = "Friday";
$obj->Sat = "Saturday";
$obj->Sun = "Sunday";

$infinate = new InfiniteIterator(new ArrayIterator($obj));
foreach ( new
LimitIterator($infinate, 0, 14) as $value ) {
print(
$value . PHP_EOL);
}

?>

will output:

Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday

Can be useful when doing date operations or recurring events
up
13
vascowhite at gmail dot com
11 years ago
It is important to realise that rewind() must be called on any iterator before using it or you may experience undefined behaviour, see example code and output here http://3v4l.org/rvNpU

See this bug report https://bugs.php.net/bug.php?id=63823&edit=2 for a fuller explanation.
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