PHP | ArrayIterator offsetGet() Function

Last Updated : 21 Nov, 2019
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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 
<?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 
<?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

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