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CachingIterator::hasNext

(PHP 5, PHP 7, PHP 8)

CachingIterator::hasNextCheck whether the inner iterator has a valid next element

Description

public CachingIterator::hasNext(): bool
Warning

This function is currently not documented; only its argument list is available.

Parameters

This function has no parameters.

Return Values

Returns true on success or false on failure.

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User Contributed Notes 1 note

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7
andresdzphp at php dot net
12 years ago
CachingIterator::hasNext Example

<?php
$ait
= new ArrayIterator(array('Value 1', 'Value 2', 'Value 3', 'Value 4'));
$cit = new CachingIterator($ait);

foreach (
$cit as $value) {
echo
$value;
//if has a next value, print a comma
if ($cit->hasNext()) {
echo
', ';
}
}
?>

Result: Value 1, Value 2, Value 3, Value 4
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