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<?php $fields = ['value' => 1, 'value' => 1, 'value' => null]; $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($fields)) { echo "invalid some one is empty\n"; return; } if (!$empty($fields)) { echo "invalid some one is les then 1\n"; } }; var_dump($validAll($fields));