PHP Undefined variable in a closure

Question

The following snippet returns a bunch of input fields but I\'m unable to set their values because $data is undefined (it being inside a closure).

$row = arra         


        

Answer 1

Inheriting variables from the parent scope

$row = array_map(function($n) use ($data) {
    $name = sprintf('point[%0d]', $n+1);
    $value = $data['measurements'][$n];
    return form_input($name, $value, "class='input-mini'");
}, range($i*6, $i*6+5));