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Gets an index of iterators


AppendIterator::getIteratorIndex

(PHP 5 >= 5.1.0)

AppendIterator::getIteratorIndexGets an index of iterators

Description

public int AppendIterator::getIteratorIndex ( void )

Gets the index of the current inner iterator.

Parameters

This function has no parameters.

Return Values

Returns an integer, which is the zero-based index of the current inner iterator.

Examples

Example #1 AppendIterator.getIteratorIndex() basic example

<?php
$array_a 
= new ArrayIterator(array('a' => 'aardwolf''b' => 'bear''c' => 'capybara'));
$array_b = new ArrayIterator(array('apple''orange''lemon'));

$iterator = new AppendIterator;
$iterator->append($array_a);
$iterator->append($array_b);

foreach (
$iterator as $key => $current) {
    echo 
$iterator->getIteratorIndex() . '  ' $key ' ' $current PHP_EOL;
}
?>

The above example will output:

 0 a aardwolf 0 b bear 0 c capybara 1 0 apple 1 1 orange 1 2 lemon 

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