16 Best PHP Questions and Answers (Q&A) - ProProfs Discuss

Which of the following is not a valid PHP comparison operator?

MohammadReza Honarkhah
Answered: Oct 15, 2017

$a <=> $bSpaceshipAn integer less than, equal to, or greater than zero when $a is respectively less than, equal to, or greater than $b. Available as of PHP 7.

2 Answers

1761 views

What are GET and POST methods in PHP programming language?

J.Barbara
Answered: Feb 16, 2018

GET and POST request methods are part of html language. Using POST you can hide form data from being viewed on the address bar or browser. Either method can be used with forms of html by...Read More

2 Answers

604 views

Can you complete the for-loop that prints all multiples of 3 between 10 and 51 (both inclusive), in descending order (that is, starting from 51)?

John Adney
Answered: Sep 18, 2017

Only the number 51 will beprinted. bad answers here. words,words,words...

2 Answers

572 views

What is the difference between AJAX and PHP?

F. Daniel, Content Optimization Executive
Answered: Jul 15, 2019

AJAX is the short form of Asynchronous JavaScript XML. This refers to a group of methods which can be used for web development. AJAX is very important during web development because it houses...Read More

4 Answers

442 views

What are the functions of the ucfirst and lcfirst functions?

John Smith
Answered: Nov 18, 2024

To make the string s first character uppercase or lowercase, respectively.

Not many other options I could throw in there ;) This one is just for review I suppose.

1 Answer

389 views

What is the difference between Require and Include?

Daniel Frederic
Answered: Jul 16, 2019

Require and include are terms used in PHP. Both are being used to carry out different functions in PHP and are written in this form include (), require (). However, it is essential to note that...Read More

4 Answers

304 views

What is the output of the following?

John Smith
Answered: Nov 18, 2024

0, 0, -23, -1, 1-e) is correct because for the first one, strncasecmp compares str1 to str2 in a case-insensitive fashion, for the first 5 charactersfor the second one, 054 (octal 44) is converted...Read More

1 Answer

283 views

What is the difference between PHP and C?

Perry Shelly, Java Tutorial
Answered: Aug 08, 2020

The least difficult approach to consider PHP is a deciphered C that you can implant in HTML archives. The language itself is a great deal like C, aside from with untyped factors, a ton of...Read More

1 Answer

75 views

What is the difference between Echo and Print?

C.Charlotte
Answered: Mar 02, 2020

The echo and Print are used in order to ensure that output will be available on the screen. While there may be some differences, the differences are actually small. The echo does not have any return...Read More

1 Answer

66 views

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