PHP warnings generated when WP cron runs

  • Timothy Couckuyt

    (@devplus_timo)


    1 year, 4 months ago

    Hey guys,

    Using PHP 8.1, WordPress 6.7.1 and version 1.7.0 of the Deliverability plugin, we notice a series of PHP warnings when WordPress cron runs:

    PHP Warning:  Cannot modify header information - headers already sent in /public_html/app/plugins/deliverability/vendor-prefixed/psr-4/Auth0/SDK/Store/CookieStore.php on line 247

    We’ve also noticed that this only occurs when fastcgi_finish_request(); is called on line 28 of WordPress’ wp-cron.php.

    Could you by any chance wrap line 247 in vendor-prefixed/psr-4/Auth0/SDK/Store/CookieStore.php with a ! headers_sent() conditional please? I assume you could also use ! defined( 'DOING_CRON' ) for it, but I see it’s a vendor folder, you might want to opt for the first suggestion.

    Thanks a lot.

    // T

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