PHP | ArrayIterator offsetGet() Function

The ArrayIterator::offsetGet() function is an inbuilt function in PHP which is used to get the value of an offset.

Syntax:

mixed ArrayIterator::offsetGet( mixed $index )

Parameters: This function accepts single parameter $index which holds the offset to get the value from.

Return Value: This function returns the value at offset index.

Below programs illustrate the ArrayIterator::offsetGet() function in PHP:

Program 1:

<?php

// Declare an ArrayIterator
$arrItr = new ArrayIterator(
    array(
        "a" => 4,
        "b" => 2,
        "g" => 8,
        "d" => 6,
        "e" => 1,
        "f" => 9
    )
);

// Value present at index "a"
echo ($arrItr->offsetGet("a")) . " ";

// Value present at index "g"
echo ($arrItr->offsetGet("g")) . " ";

// Value present at index "f"
echo ($arrItr->offsetGet("f"));

?>

Output:

4 8 9

Program 2:

<?php

// Declare an ArrayIterator
$arrItr = new ArrayIterator(
    array(
        "for", "Geeks", "Science",
        "Geeks", "Portal", "Computer"
    )
);


// Print the value at index 1
echo $arrItr->offsetGet(1) . "\n";

// Print the value at index 0
echo $arrItr->offsetGet(0) . "\n";

// Print the value at index 3
echo $arrItr->offsetGet(3);

?>

Output:

Geeks
for
Geeks

Reference: https://www.php.net/manual/en/arrayiterator.offsetget.php