Simulating closures in php versions prior to php 5.3

28 March 2010

Now that PHP 5.3 has closure and lambda function support, we all would like to use it. However, not all of us are able to do so because we are still stuck with hosting providers not able or willing to upgrade to PHP 5.3. Wanting to use closures myself on servers that only support PHP 5.2 I came up with a solution to be able to use closures in PHP 5 versions prior to 5.3:

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