Arrow Functions
$y = 1; $fn1 = fn($x) => $x + $y; // equivalent to using $y by value: $fn2 = function ($x) use ($y) { return $x + $y; }; echo $fn1(5); # => 6 echo $fn2(5); # => 6 Comments
$y = 1; $fn1 = fn($x) => $x + $y; // equivalent to using $y by value: $fn2 = function ($x) use ($y) { return $x + $y; }; echo $fn1(5); # => 6 echo $fn2(5); # => 6