New posts in Isset

What is the PHP shorthand for: print var if var exist

Check if value isset and null

Check if an array item is set in JS

JavaScript isset() equivalent

Will isset() return false if I assign NULL to a variable?

In where shall I use isset() and !empty()

How to tell whether a variable has been initialized in C#?

Best way to test for a variable's existence in PHP; isset() is clearly broken