Hello folks! welcome back to a new edition of our tutorial on PHP. In this tutorial guide, we are going to be studying about the PHP Ds Deque isEmpty() Function.
The PHP Ds Deque isEmpty() function can return whether the deque is empty.
The PHP Ds Deque isEmpty() function can return whether the deque is empty.
Parameter Details
This PHP function have no parameter.
Syntax
Following below is the syntax to use this function -
public bool Ds\Deque::isEmpty( void )
Return Value
This PHP function returns true if the deque is empty, or otherwise false.
Example1
Try out the below example -
<?php $deque = new \Ds\Deque([1, 2, 3, 4, 5]); echo("The original deque: \n"); print_r($deque); var_dump($deque->isEmpty()); ?>
Example2
Try the following example -
<?php $deque = new \Ds\Deque([1, 2, 3, 4, 5]); echo("The original deque: \n"); print_r($deque); $deque->clear(); var_dump($deque->isEmpty()); ?>
Alright guys! This is where we are going to be rounding up for this tutorial post. In our next tutorial, we are going to be discussing about the PHP Ds Deque join() Function.
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Thanks for reading and bye for now.