CODEWITHSUNDEEP
php
stef
stef

Reputation: 27749

PHP Undefined variable in a closure

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).

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

I know global variables are not cool. What's the best way to get around this?

Upvotes: 11

Views: 2886

Answers (1)

aykut
aykut

Reputation: 3094

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));

Upvotes: 26

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