ConFoo 2025

A classe InfiniteIterator

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

Introdução

InfiniteIterator permite iterar infinitamente sobre um iterador sem ter que rebobiná-lo manualmente ao alcançar o seu final.

Resumo da classe

class InfiniteIterator extends IteratorIterator {
/* Métodos */
public __construct(Iterator $iterator)
public next(): void
/* Métodos herdados */
}

Índice

adicione uma nota

Notas Enviadas por Usuários (em inglês) 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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