PHP SplFixedArray offsetGet() Function

The SplFixedArray::offsetGet() function is an inbuilt function in PHP that is used to get the offset of the specified index in an array.

Syntax:

mixed SplFixedArray::offsetGet( $index )

Parameters: This function accepts a single parameter $index which specifies the requested offset.

Return Value: This function returns the offset of the array.
Below programs illustrate the SplFixedArray::offsetGet() function in PHP:
Program 1:

php

<?php

// Create a fixed size array
$gfg = new SplFixedArray(6);

$gfg[0] = 1;
$gfg[1] = 5;
$gfg[2] = 10;

// Check whether index exist or not
var_dump($gfg->offsetGet(2));
?>

Output:

int(10)

Program 2:

php

<?php

// Create some fixed size array
$gfg = new SplFixedArray(6);

$gfg[0] = 1;
$gfg[1] = 5;
$gfg[2] = 1;
$gfg[3] = 11;
$gfg[4] = 15;
$gfg[5] = 17;

$i = 0;

while($i < 6) {

    // Print the offset of the current index
    var_dump($gfg->offsetGet($i));

    $i++;
}
?>

Output:

int(1)
int(5)
int(1)
int(11)
int(15)
int(17)

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