The Ds\Deque::remove() function is an inbuilt function in PHP which is used to remove and return the index value.
Syntax:
public Ds\Deque::remove( $index ) : mixed
Parameters: This function accepts single parameter $index which holds the index of Deque for which the element is to be returned and removed.
Return Value: This function returns and remove the element at given index in the Deque.
Below programs illustrate the Ds\Deque::remove() function in PHP:
Program 1:
<?php   // Declare a deque $deck = new \Ds\Deque([10, 20, 30, 40, 50, 60]);   echo("Elements of Deque\n");   // Display the Deque elements print_r($deck);   echo("\nElement at index 2: ");   // Use remove() function to remove the // element at index 2 and return it print_r($deck->remove(2));   ?> |
Output:
Elements of Deque
Ds\Deque Object
(
[0] => 10
[1] => 20
[2] => 30
[3] => 40
[4] => 50
[5] => 60
)
Element at index 2: 30
Program 2:
<?php   // Declare a deque $deck = new \Ds\Deque(["neveropen", "for", "neveropen"]);   echo("Elements of Deque\n");   // Display the Deque elements print_r($deck);   echo("\nElement at index 1: ");   // Use remove() function to remove the // element at index 2 and return it print_r($deck->remove(1));   ?> |
Output:
Elements of Deque
Ds\Deque Object
(
[0] => neveropen
[1] => for
[2] => neveropen
)
Element at index 1: for
Reference: http://php.net/manual/en/ds-deque.remove.php
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