GoLang AppendIterator::getIteratorIndex

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PHP AppendIterator::getIteratorIndex

PHP original manual for AppendIterator::getIteratorIndex [ show | php.net ]

AppendIterator::getIteratorIndex

(PHP 5 >= 5.2.0, PHP 7)

AppendIterator::getIteratorIndex — Gets 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

See Also