Answers for "check if null array php"

array empty check in php

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

php check if associative array is null

if (in_array(null, $array, true) || in_array('', $array, true)) {
    // There are null (or empty) values.
  }

check null in_array php

if (!empty($data_days) && in_array(1, $data_days, true)){ // use numeric value 1, not string