PHP Ds Deque set() 函数

Ds\Deque::set() 函数可以更新给定索引处的值。

语法

public void Ds\Deque::set( int index , mixedvalue )

Ds\Deque::set()函数没有返回任何值。如果索引无效，该函数可能会抛出OutOfRangeException。

示例1

<?php 
   deque = new \Ds\Deque([1, 2, 3, 4, 5]);   echo("The elements in deque: \n");   print_r(deque); 

   deque->set(4, 10);   echo("The deque after setting value at index 2: \n");   print_r(deque); 
?>

示例2

<?php 
   deque = new \Ds\Deque(["Tutorials", "Point", "India", "Tutorix"]);   echo("The elements of deque: \n");   print_r(deque); 

   deque->set(2, "tutorialspoint");   echo("The deque after setting value at index 2: \n");   print_r(deque); 
?>