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Proposal: Add getAsCollection() method #8

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@jodiedunlop

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@jodiedunlop

When you call get('some.node') if the node doesn't exist you get null (or pass a default value) .

Suggest adding getAsCollection() to ensure a collection is always returned regardless of whether the node exists, or if the node is an item/collection. This is useful due to chaining.

Example:

$response->getAsCollection('recipients.data')->each(function($recipient) { ... }); 
  • If the node doesn't exist an empty (ArrayObject) collection will be returned
  • If the node exists but isn't a collection (eg. a scalar or an associative array), then it will be wrapped in a collection with a single item

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