PHP Ds Deque get()用法及代碼示例

Ds\Deque::get() 函數可以返回給定索引處的值。

用法

public mixed Ds\Deque::get( int $index )

Ds\Deque::get() 函數可以返回請求索引處的值。如果索引無效，此函數可能會拋出 OutOfRangeException。

例子1

<?php 
   $deque = new \Ds\Deque([10, 20, 5, 40, 50, 8]); 
   echo("The elements in the deque:\n"); 
   print_r($deque); 
   
   echo("\n The element at index 3 in the deque:"); 
   var_dump($deque->get(3)); 
?>

例子2

<?php 
   $deque = new \Ds\Deque(["Tutorials", "Point", "India", "Tutorix"]); 
   echo("The elements in the deque \n"); 
   print_r($deque); 
   
   echo("\n The element at index 1 in the deque:"); 
   var_dump($deque->get(1)); 
?>