PHP | DsDeque set() Function

The Ds\Deque::set() function is an inbuilt function in PHP which is used to set the value at the given index in the Deque.

Syntax:

public Ds\Deque::set( $index, $value ) : void

Parameters: This function accept two parameters as mentioned above and described below:

index: This parameter holds the index value on which the element is to be set.
value: This parameter holds the value to be set at given index.

Return Value: This function does not return any value.

Below programs illustrate the Ds\Deque::set() function in PHP:

Program 1:

<?php 
  
// Declare a deque 
$deck = new \Ds\Deque(["geeks", "for", "geeks", "practice"]); 
  
echo("Elements of Deque\n"); 
  
// Display the Deque elements 
print_r($deck); 
  
// Updating the deque element at index 2 
$deck->set(2, "geeksforgeeks"); 
   
echo("Deque after setting value at index 2\n"); 
  
// Display the Deque elements 
print_r($deck); 
  
?> 

Output:

Elements of Deque
Ds\Deque Object
(
    [0] => geeks
    [1] => for
    [2] => geeks
    [3] => practice
)
Deque after setting value at index 2
Ds\Deque Object
(
    [0] => geeks
    [1] => for
    [2] => geeksforgeeks
    [3] => practice
)

Program 2:

<?php 
  
// Declare a deque 
$deck = new \Ds\Deque([1, 2, 3, 4, 5, 6]); 
  
echo("Elements of Deque\n"); 
  
// Display the Deque elements 
print_r($deck); 
  
// Updating the deque element at index 2 
$deck->set(4, 10); 
   
echo("Deque after setting value at index 2\n"); 
  
// Display the Deque elements 
print_r($deck); 
  
?> 

Output:

Elements of Deque
Ds\Deque Object
(
    [0] => 1
    [1] => 2
    [2] => 3
    [3] => 4
    [4] => 5
    [5] => 6
)
Deque after setting value at index 2
Ds\Deque Object
(
    [0] => 1
    [1] => 2
    [2] => 3
    [3] => 4
    [4] => 10
    [5] => 6
)

Reference: http://php.net/manual/en/ds-deque.set.php

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PHP | Ds\Deque set() Function

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