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Closures and variable scope

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Goran Rakic
2012-07-13 21:11:09 +02:00
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_posts/03-02-01-Programming-Paradigms.md
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@@ -53,7 +53,7 @@ print_r($output);
Closure is an anonymous function that can access variables imported from the outside scope without using any global
variables. Theoretically, a closure is a function with some arguments closed (e.g. fixed) by the environment when it is
defined. This is used to cross variable scope restrictions in a very clean way.
defined. Closures can work around variable scope restrictions in a clean way.
In the next example we use closures to define a function returning a single filter function for `array_filter`, out of
a family of filter functions.