These cases are not actual bugs (even if it was a mistake, the end results are equivalent here); but PHP 7 tools will generate warnings about them, as the presence of 'continue' in a switch statement often indicates a bug (i.e. when the author believes that it will act on a loop around the switch statement).
plugins/JuiceboxFormatterViewsStyle.inc: "Targeting a 'switch' control structure with a 'continue' statement is strongly discouraged and will throw a warning as of PHP 7.3.
Fixed
2.0
Code
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It's likely this issue predates Contrib.social: some issue and comment data are missing.
Hi all, given the relatively short remainder of life for Drupal 7, I'm going to close this out, but still assign issue credit where appropriate (hence the 'fixed' status) as it looks like genuine effort was put into this.
Cheers all.