PHP | ArrayIterator offsetGet() Function

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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 
  
// 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);  
  
?> 