# give/4.16.9/src/Framework/FieldsAPI/Contracts/Collection.php

GiveWP – Donation Plugin and Fundraising Platform, version 4.16.9. 97 lines.

- Page: https://pluginprobe.com/plugins/give/4.16.9/code/src/Framework/FieldsAPI/Contracts/Collection.php
- Raw: https://pluginprobe.com/plugins/give/4.16.9/raw/src/Framework/FieldsAPI/Contracts/Collection.php
- Modified: 2023-01-18T19:19:38+00:00

Line numbers below start at 1. Link to a line or a range by appending a fragment to the
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```php
<?php

namespace Give\Framework\FieldsAPI\Contracts;

use Give\Framework\FieldsAPI\Field;

interface Collection
{
    /**
     * @since 2.10.2
     *
     * Fluently append nodes to the collection.
     *
     * @return $this do not add return type until PHP 7.4 is minimum
     */
    public function append(Node ...$nodes);

    /**
     * Fluently remove a named node.
     *
     * @since 2.10.2
     *
     * @return mixed
     */
    public function remove(string $name);

    /**
     * Get all the nodes.
     *
     * @since 2.10.2
     *
     * @return Node[]
     */
    public function all(): array;

    /**
     * Count all the nodes.
     *
     * @since 2.10.2
     *
     * @return int
     */
    public function count(): int;

    /**
     * Get a node’s index by its name.
     *
     * @since 2.10.2
     *
     * @return int|null
     */
    public function getNodeIndexByName(string $name);

    /**
     * Get a node by its name.
     *
     * @since 2.10.2
     *
     * @return Node|Collection
     */
    public function getNodeByName(string $name);

    /**
     * Get only the field nodes.
     *
     * @return Field[]
     */
    public function getFields(): array;

    /**
     * Inserts the given noe after the node with the given name.
     *
     * @since 2.10.2
     *
     * @return $this
     */
    public function insertAfter(string $siblingName, Node $node);

    /**
     * Inserts the given noe before the node with the given name.
     *
     * @since 2.10.2
     *
     * @return $this
     */
    public function insertBefore(string $siblingName, Node $node);

    /**
     * Walk through each node in the collection
     *
     * @since 2.10.2
     *
     * @return void
     */
    public function walk(callable $callback);
}

```