Get variables from the outside, inside a function in PHP

Question

I\'m trying to figure out how I can use a variable that has been set outside a function, inside a function. Is there any way of doing this? I\'ve tried to set the variable t

Answer 1

You'll need to use the global keyword inside your function. http://php.net/manual/en/language.variables.scope.php

EDIT (embarrassed I overlooked this, thanks to the commenters)

...and store the result somewhere

$var = '1';
function() {
    global $var;
    $var += 1;   //are you sure you want to both change the value of $var
    return $var; //and return the value?
}