[Plugin: WP Super Cache] PHP Warning re missing array / wp-cache-phase2.php
Hi, Donncha – I’m trying to track down the source of this warning:
PHP Warning: in_array() expects parameter 2 to be array, null given in (my domain) /wp-content/plugins/wp-super-cache/wp-cache-phase2.php on line
My error log is showing this warning every few seconds and has been for the past few days. I started looking to see what the problem might be since we had ‘site unavailable’ warnings for posters. The cache itself is doing an excellent job. It’s a high-traffic site (for us, at least), and recently reached 80,000 posts on one day. This is a new problem, though.
Will appreciate any help.
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