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PHP - Ds Deque pop() Function



Ds\Deque::pop() function can remove and return the last value.

Syntax

public mixed Ds\Deque::pop( void )

Ds\Deque::pop() function doesn't have any parameters.

Ds\Deque::pop() function can return the removed last value and throw UnderflowException if empty.

Example 1

<?php 
   $deque = new \Ds\Deque([10, 20, 30, 40, 50]); 
   echo("The elements in deque: \n"); 
   print_r($deque); 
   
   echo("\n The last element in deque:"); 
   print_r($deque->pop()); 
   
   echo("\n The elements in deque: \n"); 
   print_r($deque); 
?>

Example 2

<?php 
   $deque = new \Ds\Deque(["Tutorials", "Point", "India", "Tutorix"]); 
   echo("The elements in deque: \n"); 
   print_r($deque); 
   
   echo("\n The last element in deque:"); 
   print_r($deque->pop()); 
   
   echo("\n The elements in deque: \n"); 
   print_r($deque); 
?>
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