Online PHP editor | output for gcvLJ

<?php $fields = ['value' => 0, 'value' => 0, 'value' => 0]; $empty = function(array $fields) { foreach($fields as $field) { if (empty($field['value'])) { return false; } } }; $greatterThan = function(array $fields) { foreach($fields as $field) { if ($field['value'] >= 1) { return false; } } }; $validAll = function($fields) use ($empty, $greatterThan) { if (!$empty($fields)) { return "invalid some one is empty\n"; } if (!$greatterThan($fields)) { return "invalid some one is les then 1\n"; } }; var_dump($validAll($fields));