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WP Coding Standards: function naming
Coding Standards: spacing
Coding Standards: variable naming
PHP: `require` isn't a function
Remove spurious whitespace from cached values to reduce validation errors and condense output buffer interaction for simpler code.
PHP: `require` is not a function
Coding standards cleanup
Consolidate plugin's settings and cache clearing functions into a single file and rename for clarity. Given how small the files are, there's no sense in splitting.
Remove functionality to clear all caches. Doesn't capture all cases, will time out on any decently-sized site, isn't invoked from anywhere, and doesn't check capabilities.
Remove relative requires, passing full paths instead.
Overhaul plugin's settings UI, adding validation to options and generally cleaning up the code.
Correct logic error when displaying ulimited caching setting
Clean up rendering of options screen
Add support for non-standard port and database values, remove dangerous information from debugging output.
Further code cleanup