PHP | CachingIterator current() Function

The CachingIterator::current() function is an inbuilt function in PHP which is used to return the current element. Syntax:

mixed CachingIterator::current( void )

Parameters: This function does not accept any parameters. Return Value: This function returns the current value of CachingIterator. Below programs illustrate the CachingIterator::current() function in PHP: Program 1: php

<?php
  
// Declare an array
$arr = array('G', 'e', 'e', 'k', 's');
  
// Create a new CachingIterator
$cachIt = new CachingIterator(
    new ArrayIterator($arr), 
    CachingIterator::FULL_CACHE
);
 
// Display the result
foreach($cachIt as $element) {
    echo $cachIt->current() . " ";
}
  
?>

Program 2: php

<?php
  
// Declare an ArrayIterator
$arr = array(
    "a" => "Geeks",
    "b" => "for",
    "c" => "Geeks",
    "d" => "Computer",
    "e" => "Science",
    "f" => "Portal"
);

// Create a new CachingIterator
$cachIt = new CachingIterator(
    new ArrayIterator($arr), 
    CachingIterator::FULL_CACHE
);

// Display the result
foreach($cachIt as $element) {
    echo $cachIt->current() . "\n";
}
  
?>

Reference: https://www.php.net/manual/en/cachingiterator.current.php