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AppendIterator::getIteratorIndex

(PHP 5 >= 5.1.0, PHP 7)

AppendIterator::getIteratorIndex — Gets an index of iterators

Description

代码语言:javascript
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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

代码语言:javascript
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<?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:

代码语言:javascript
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0  a aardwolf
0  b bear
0  c capybara
1  0 apple
1  1 orange
1  2 lemon

See Also

  • AppendIterator::getInnerIterator() - Gets the inner iterator
  • AppendIterator::getArrayIterator() - Gets the ArrayIterator

← AppendIterator::getInnerIterator

AppendIterator::key →

代码语言:txt
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 © 1997–2017 The PHP Documentation Group

Licensed under the Creative Commons Attribution License v3.0 or later.

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