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<?php $input = array(1, 2, 3, 4, 5, 6); // Creates a new anonymous function and assigns it to a variable $filter_even = function($item) { return ($item % 2) == 0; }; // Built-in array_filter accepts both the data and the function $output = array_filter($input, $filter_even); // The function doesn't need to be assigned to a variable. This is valid too: $output = array_filter($input, function($item) { return ($item % 2) == 0; }); print_r($output);
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Array ( [1] => 2 [3] => 4 [5] => 6 )
preferences:
291.82 ms | 404 KiB | 401 Q