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([ "geeks" , "for" , "geeks" ]);
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] => geeks [1] => for [2] => geeks ) Element at index 1: for
Reference: http://php.net/manual/en/ds-deque.remove.php