[edit] Last updated: Fri, 28 Jun 2013

The InfiniteIterator class

(PHP 5 >= 5.1.0)

Introduction

The InfiniteIterator allows one to infinitely iterate over an iterator without having to manually rewind the iterator upon reaching its end.

Class synopsis

InfiniteIterator extends IteratorIterator implements OuterIterator {

/* Methods */

public __construct ( Iterator $iterator )

public void next ( void )

/* Inherited methods */

public IteratorIterator::__construct ( Traversable $iterator )

public mixed IteratorIterator::current ( void )

public Traversable IteratorIterator::getInnerIterator ( void )

public scalar IteratorIterator::key ( void )

public void IteratorIterator::next ( void )

public void IteratorIterator::rewind ( void )

public bool IteratorIterator::valid ( void )

}

InfiniteIterator::__construct — Constructs an InfiniteIterator
InfiniteIterator::next — Moves the inner Iterator forward or rewinds it

add a note User Contributed Notes InfiniteIterator - [2 notes]

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Anonymous ¶

8 months 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

down

vascowhite at gmail dot com ¶

27 days 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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The InfiniteIterator class

Introduction

Class synopsis

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