PHP Ds Deque capacity()用法及代码示例

Ds\Deque::capacity() 函数可以返回当前容量。

用法

public int Ds\Deque::capacity( void )

Ds\Deque::capacity() 函数没有任何参数，可以返回当前容量。

例子1

<?php 
   $deque = new \Ds\Deque(); 
   echo(" The default size of deque:"); 
   var_dump($deque->capacity()); 
   
   $deque->allocate(30);  
   echo("The allocated size of deque:"); 
   var_dump($deque->capacity()); 
?>

例子2

<?php 
   $deque = new \Ds\Deque([1, 2, 3, 4, 5, 6]); 
   echo("The elements of deque:"); 
   var_dump($deque); 
   
   echo("\n The capacity of a deque:"); 
   var_dump($deque->capacity()); 
?>