Re: PATCH: anonymous functions in PHP

On 22/03/07, Christian Schneider <cschneid@cschneid.com> wrote:

If somebody has a real-life demonstrated NEED for the closures/scoping, by all means, bring it up.

Plain old google brought up: http://groovy.codehaus.org/Martin+Fowler's+closure+examples+in+Groovy among other hits (Groovy syntax should be easy enough to follow). He said real-life examples (-:C - Chris

function sort_by_key($key) { return function($a, $b) { if ($a[$key] < $b[$key])

     return -1;

if ($a[$key] == $b[$key])

     return 0;

return 1; } } $a = array( array('id' => 0, 'first_name' => 'john', 'last_name' => 'connor'), ... ); usort($a, sort_by_key('last_name'));