PHP warning generated in the logs

  • Resolved hardoman

    (@hardoman)


    5 years, 1 month ago

    PHP warning is generated at:
    wp-content/plugins/w3-total-cache/DbCache_WpdbInjection_QueryCaching.php:548

    preg_match()wp-content/plugins/w3-total-cache/DbCache_WpdbInjection_QueryCaching.php:548
W3TC\DbCache_WpdbInjection_QueryCaching->_check_request_uri()wp-content/plugins/w3-total-cache/DbCache_WpdbInjection_QueryCaching.php:483
W3TC\DbCache_WpdbInjection_QueryCaching->_can_cache_once_per_request()wp-content/plugins/w3-total-cache/DbCache_WpdbInjection_QueryCaching.php:403
W3TC\DbCache_WpdbInjection_QueryCaching->_can_cache()wp-content/plugins/w3-total-cache/DbCache_WpdbInjection_QueryCaching.php:115
W3TC\DbCache_WpdbInjection_QueryCaching->query()wp-content/plugins/w3-total-cache/DbCache_WpdbNew.php:119
W3TC\DbCache_WpdbNew->query()wp-includes/wp-db.php:2605
WP_Query->get_posts()wp-includes/class-wp-query.php:3432
WP_Query->query()wp-includes/class-wp.php:624
WP->query_posts()wp-includes/class-wp.php:741
WP->main()wp-includes/functions.php:1274
wp()wp-blog-header.php:16

    The warning is:
    preg_match(): Compilation failed: quantifier does not follow a repeatable item at offset 0

    I’m using WP 5.4.4 and PHP 7.3.26

Viewing 2 replies - 1 through 2 (of 2 total)
  • Plugin Contributor Marko Vasiljevic

    (@vmarko)

    5 years, 1 month ago

    Hello @hardoman

    I am sorry about the issue you are experiencing and I am happy to assist you with this.
    Can you please share which caching method you are using for DB caching and also, please share the screenshot of the Performance>Database Cache.
    Thanks!

    Thread Starter hardoman

    (@hardoman)

    5 years, 1 month ago

    I was using memcached

Viewing 2 replies - 1 through 2 (of 2 total)

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