PHP | Ds\Deque sorted() Function

The Ds\Deque::sorted() function is an inbuilt function in PHP which is used to return a copy of Deque which contains the element in the original Deque in increasing order. Syntax:

public Ds\Deque::sorted( $comparator ) : Ds\Deque

Parameters: This function accepts single parameter $comparator which holds the comparator function to sorts the Deque. Return Value: This function returns a Deque which contains elements of original Deque in the sorted order. Below programs illustrate the Ds\Deque::sorted() function in PHP: Program 1: PHP

<?php

// Declare a deque
$deck = new \Ds\Deque([4, 5, 3, 2, 8, 1, 9]);

echo("Elements of Deque\n");

// Display the Deque elements
print_r($deck);

echo("Sorted Deque\n");

// Use sorted() function to 
// sort Deque elements
print_r($deck->sorted());

?>

Program 2: PHP

<?php

// Declare a deque
$deck = new \Ds\Deque([4, 5, 3, 2, 8, 1, 9]);

echo("Elements of Deque\n");

// Display the Deque elements
print_r($deck);

// Use comparator function to sort elements
$deck = $deck->sorted(function($var1, $var2) {
    return $var1 <= $var2;
});

echo("Sorted Deque\n");

// Use sorted() function to 
// sort Deque elements
print_r($deck);

?>

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