public static function YamlFormMultiple::isEmpty in YAML Form 8

Check if array is empty.

Parameters

string|array $value: An item.

Return value

bool FALSE if item is an empty string or an empty array.

1 call to YamlFormMultiple::isEmpty()

YamlFormMultiple::convertValuesToItems in src/Element/YamlFormMultiple.php

Convert an array containing of values (elements or _item_ and weight) to an array of items.

File

src/Element/YamlFormMultiple.php, line 492

Class

YamlFormMultiple

Provides a form element to assist in creation of multiple elements.

Namespace

Drupal\yamlform\Element

Code

public static function isEmpty($value = NULL) {
  if (is_null($value)) {
    return TRUE;
  }
  elseif (is_string($value)) {
    return $value === '' ? TRUE : FALSE;
  }
  elseif (is_array($value)) {
    return !array_filter($value, function ($item) {
      return !self::isEmpty($item);
    });
  }
  else {
    return FALSE;
  }
}