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We’ve all been there: We’re editing the WordPress theme file, setting a new function and *BAM*: We view the site and it’s nothing but a sea of white pixels. There’s no messages, no errors, nothing to indicate what you’ve done wrong. And it’s frustrating: sure, removing the change would fix the problem, but I (as I’m…

If I were to mention to a casual WordPress user something about the WordPress Heartbeat API, most would have never even heard of it, much less know that it’s been in WordPress since version 3.6(!) with very little fanfare. But, as it turns out, the Heartbeat API has gained traction in the developer community, as…