public function ItemList::removeItem in Drupal 9

Same name and namespace in other branches

1. 8 core/lib/Drupal/Core/TypedData/Plugin/DataType/ItemList.php \Drupal\Core\TypedData\Plugin\DataType\ItemList::removeItem()

Removes the item at the specified position.

Parameters

int $index: Index of the item to remove.

Return value

$this

Overrides ListInterface::removeItem

1 call to ItemList::removeItem()

ItemList::offsetUnset in core/lib/Drupal/Core/TypedData/Plugin/DataType/ItemList.php

File

core/lib/Drupal/Core/TypedData/Plugin/DataType/ItemList.php, line 131

Class

ItemList

A generic list class.

Namespace

Drupal\Core\TypedData\Plugin\DataType

Code

public function removeItem($index) {
  if (isset($this->list) && array_key_exists($index, $this->list)) {

    // Remove the item, and reassign deltas.
    unset($this->list[$index]);
    $this
      ->rekey($index);
  }
  else {
    throw new \InvalidArgumentException('Unable to remove item at non-existing index.');
  }
  return $this;
}