Getting the most out of WordPress custom fields

WordPress custom fields are a pretty nifty idea that can allow you to add custom content to individual posts, outside of the standard content area. Most examples on how to implement custom fields show fairly innocuous uses, just inserting little strings of text in various locations. However, by populating the custom field with wonderfully portable JSON, it’s possible to perform much more complex and powerful actions on individual posts and pages. See it in action

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