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)); ?> |
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)); ?> |
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