oliverdavies.uk/content/node.c9ccd7f8-4727-49fa-9481-4507e7986fd9.json

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    "title": [
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            "value": "Why use Collections?"
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            "value": "\n          <p>Yesterday, I wrote how to create <a href=\"\/daily\/2025\/03\/29\/collections\">dependency free Collection classes in PHP<\/a> (thanks to Dan Leech).<\/p>\n\n<p>I said that <a href=\"\/blog\/using-laravel-collections-drupal\">I've written blog posts<\/a> and <a href=\"\/presentations\/using-illuminate-collections-outside-laravel\">given talks<\/a> on using Collection classes.<\/p>\n\n<p>But why do I like Collections and why may you want to use them instead of native arrays?<\/p>\n\n<p>The first reason is that I can add extra functionality to Collections, because they're objects.<\/p>\n\n<p>Whether it's a generic action such as filtering or sorting the items, or something more specific like returning a list of station codes from a collection of train stations, this can be added to specific collection classes.<\/p>\n\n<p>I'll usually have an <code>AbstractCollection<\/code> that has the generic methods and is extended by specific Collection types with methods more specific methods.<\/p>\n\n<p>Having specific types of Collection objects also gives my code more context.<\/p>\n\n<p>Instead of an array that could contain anything, by reading the code and seeing which Collection types are used, I know what the collection contains and what I can do with it.<\/p>\n\n<p>This is also why I like value objects.<\/p>\n\n<p>Giving objects specific names instead of relying on the language's primitive types makes the code more robust and easier to read and understand.<\/p>\n\n        ",
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