This repository demonstrates a subtle bug in PHP related to variable variables and type juggling. The issue involves the isset() function and how it behaves when the variable name is dynamically ...

" isset Determine if a variable is set and is not NULL . " Suppose we have a HTML form and we want to know whether that form has been submitted or not we have to do a basic simple step .

This repository demonstrates a subtle issue with PHP's isset() function. The isset() function is often used to check if a variable is set and is not NULL. However, its behavior can be surprising when ...

PHP has different types of built-in functions which can be used to check the value of a variable. Basically there are three useful functions you can use for test the value of a variable i.e. isset(), ...