<?php
/**
* Creates an anonymous filter function accepting items > $min
*
* Returns a single filter out of a family of "greater than n" filters
*/
function criteria_greater_than($min)
{
return function($itemio=8) use ($min) {
var_dump($itemio);
return $itemio > $min;
};
}
$input = array(1, 2, 3, 4, 5, 6);
// Use array_filter on a input with a selected filter function
$output = criteria_greater_than(3);
print_r($output); // items > 3
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Closure Object
(
[static] => Array
(
[min] => 3
)
[parameter] => Array
(
[$itemio] => <optional>
)
)