PHP | Ds\Deque::unshift() Function

PHP Ds\Deque::unshift() Function

Hello dear readers! welcome back to another edition of our tutorial on PHP. In this tutorial guide, we are going to be discussing about the PHP Ds Deque unshift() Function.

PHP Ds Deque unshift() function adds values to front of the deque, moving all current values forward to make room for new values.


Following below is the syntax to use this function -

public void Ds\Deque::unshift([ mixed $values ] )

Return Value

This built-in PHP function does not return any value.


Try out the below example -

   $deque = new \Ds\Deque([10, 20, 30]);  
   $deque -> unshift(3); 
   $deque -> unshift(7); 
   $deque -> unshift(2); 

Alright guys! This is where we are rounding up for this tutorial post. In our next tutorial guide, we are going to be discussing about the PHP Directory Function.

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