public static function TermLevelItem::extractLevels in Term Level Field 8

Extracts levels (level-key => level-label) out of the field settings.

Level-label are not yet sanitized.

Return value

array Extracted levels.

3 calls to TermLevelItem::extractLevels()

TermLevelFormatter::viewElements in src/Plugin/Field/FieldFormatter/TermLevelFormatter.php

Builds a renderable array for a field value.

TermLevelItem::validateLevels in src/Plugin/Field/FieldType/TermLevelItem.php

Validates levels value.

TermLevelWidget::formElement in src/Plugin/Field/FieldWidget/TermLevelWidget.php

Returns the form for a single field widget.

File

src/Plugin/Field/FieldType/TermLevelItem.php, line 67

Class

TermLevelItem

Plugin for Term level field type.

Namespace

Drupal\term_level\Plugin\Field\FieldType

Code

public static function extractLevels($value) {
  $levels = [];
  $list = explode("\n", $value);
  $list = array_map('trim', $list);
  $list = array_filter($list, 'strlen');
  foreach ($list as $key => $value) {
    if (strpos($value, '|') !== FALSE) {
      list($level_key, $label) = explode('|', $value);
    }
    if (isset($level_key) && isset($level_key)) {
      $levels[$level_key] = $label;
    }
  }
  return $levels;
}