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

$var = 1;

function() {
  global $var;

  $var += 1;
  return $var;
}

OR

$var = 1;

function() {
  $GLOBALS['var'] += 1;
  return $GLOBALS['var'];
}