Change language

PHP Ds / Deque isEmpty () function

Syntax:
public DsDeque::isEmpty (void): bool
Parameters: this function takes no parameters.Return value:this function returns true if Deque is empty, otherwise it returns false.The following programs illustrate the function Ds / Deque::isEmpty()in PHP:Program 1:  
// Declare deque $deck = new DsDeque ([1, 2, 3, 4, 5, 6]); echo ( " Original Deque " );  
// Show Deque elements print_r ( $deck );  
// Use the isEmpty() function to check
// empty or not var_dump ( $deck -> isEmpty());  
?>
Exit:
Original Deque DsDeque Object ([0] = > 1 [1] = > 2 [2] = > 3 [3] = > 4 [4] = > 5 [5] = > 6) bool (false)
Program 2:  
// Declare deque $deck = new DsDeque ([1, 2, 3, 4, 5, 6]); echo ( " Original Deque " );  
// Show Deque elements print_r ( $deck );  
// Clear Deque $deck -> clear();  
// Use the isEmpty() function to check
// empty or not var_dump ( $deck -> isEmpty());  
?>
Exit:
Original Deque DsDeque Object ([0] = > 1 [1] = > 2 [2] = > 3 [3] = > 4 [4] = > 5 [5] = > 6) bool (true)
Link: http://php.net/manual/en /ds-deque.isempty.php

Shop

Best laptop for Sims 4

$

Best laptop for Zoom

$499

Best laptop for Minecraft

$590

Best laptop for engineering student

$

Best laptop for development

$

Best laptop for Cricut Maker

$

Best laptop for hacking

$890

Best laptop for Machine Learning

$950

Latest questions

NUMPYNUMPY

psycopg2: insert multiple rows with one query

12 answers

NUMPYNUMPY

How to convert Nonetype to int or string?

12 answers

NUMPYNUMPY

How to specify multiple return types using type-hints

12 answers

NUMPYNUMPY

Javascript Error: IPython is not defined in JupyterLab

12 answers

Wiki

Python OpenCV | cv2.putText () method

numpy.arctan2 () in Python

Python | os.path.realpath () method

Python OpenCV | cv2.circle () method

Python OpenCV cv2.cvtColor () method

Python - Move item to the end of the list

time.perf_counter () function in Python

Check if one list is a subset of another in Python

Python os.path.join () method