PHP - Ds\Queue::isEmpty() Function

Ds\Queue::isEmpty() function can return whether the queue is empty.

Syntax

public bool Ds\Queue::isEmpty( void )

Ds\Queue::isEmpty() function doesn't have any parameters.

Ds\Queue::isEmpty() function can return true if the queue is empty, or false otherwise.

Example

<?php  
   $queue = new \Ds\Queue();  
   var_dump($queue->isEmpty()); 
  
   $queue->push("Tutorials"); 
   $queue->push("Point"); 
   $queue->push("India"); 
  
   var_dump($queue->isEmpty()); 
?>