Scope Rooms · Level 5 of 7

use (&$x) carries a link

One closure captures $count by reference, another by value.

1<?php2$count = 0;3$inc = function () use (&$count) {4    $count++;5};6$inc();7$inc();8echo 'count ', $count, PHP_EOL;9$copy = function () use ($count) {10    $count++;11    return $count;12};13echo 'inside ', $copy(), PHP_EOL;14echo 'count ', $count, PHP_EOL;

1. Predict the output

Tap the lines in the order you think they print.

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