PHP | CachingIterator next() Function
Last Updated :
26 Nov, 2019
The CachingIterator::next() function is an inbuilt function in PHP which is used to move the iterator to the forward.
Syntax:
void CachingIterator::next( void )
Parameters: This function does not accept any parameters.
Return Value: This function does not return any value.
Below programs illustrate the CachingIterator::next() function in PHP:
Program 1:
<?php
$arr = array ( 'G' , 'e' , 'e' , 'k' , 's' );
$cachIt = new CachingIterator(
new ArrayIterator( $arr ),
CachingIterator::FULL_CACHE
);
foreach ( $cachIt as $element ) {
echo $cachIt ->current() . " " ;
$cachIt ->next();
}
?>
|
Program 2:
<?php
$arr = array (
"a" => "Geeks" ,
"b" => "for" ,
"c" => "Geeks" ,
"d" => "Computer" ,
"e" => "Science" ,
"f" => "Portal"
);
$cachIt = new CachingIterator(
new ArrayIterator( $arr ),
CachingIterator::FULL_CACHE
);
foreach ( $cachIt as $key => $value ) {
echo $key . " => " . $cachIt ->current() . "\n" ;
$cachIt ->next();
}
?>
|
Output:
a => Geeks
c => Geeks
e => Science
Reference: https://www.php.net/manual/en/cachingiterator.next.php
Share your thoughts in the comments
Please Login to comment...