check any array key value empty php code example

Example 1: array empty check in php

if (empty($array)) {
     // list is empty.
}

Example 2: php array all keys empty

array('key1' => null, 'key2' => null, 'key3' => null, 'key4' => null)
if (!array_filter($array)) {
    // all values are empty (where "empty" means == false)
}