adspace


How does php isset work?

Answer Posted / Archana Pundir

isset() is a function in PHP that checks whether a variable has been set or not. It returns true if the variable has any value, including an empty string or NULL.

Is This Answer Correct ?    0 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Explain me is it possible to destroy a cookie?

1025


if you run the app program all vendor open items are cleared but is it possible to reverse the again again open items please tell me the answer

1987


how to detect a mobile device using php

1173


hello all, I need some sample placement papers in lion bridge.. can anyone help me?

2174


Write a program using while loop?

1115


sort term descripttion form, report and uery

2254


Name and explain five of the PHP error constants?

1033


What is trait in php?

1065


What is difference between static and final in php?

1107


How to calculate the difference between two dates using php?

1142


How to create a web form?

1109


What is the difference between htmlentities() and htmlspecialchars()?

1089


What sized websites have you worked on in the past?

1084


What is the current stable version of php? What advance thing in php7?

1094


List some features of php that are deprecated in php7?

1021