I don’t think the database schema ever changes so drastically that the versions of wordpress on box 2 + 3 would be prevented from reading from the DB after you’ve updated on box 1, however it depends what version you are upgrading from. Why not set a similar environment locally and test upgrading site 1, … Read more
I would create a constant in the wp_config.php defining which Server you are on. So far so good, not really magic. The tricky part, as you mentioned is to get the cron running for sure, and not aborting if it’s accidentally the wrong server. Try the function like this: function my_cron_callback() { if ( MY_SERVER_SETUP … Read more
Solve cors problem using rest api or ajax
Is doing_wp_cron a necessary query string when scheduling cron.php as a cron job?
I’d check a few things Apache2 logs open a terminal Check error logs at tail -f /var/log/apache2/error_log Check access logs at tail -f /var/log/apache2/access_log WordPress Check .htaccess has correct rules for basic setup enable wp debugging to see if you can log further errors when the redirect happens this is how you enable WP logging … Read more
WordPress has no native page source output caching. In vanilla installation changes to templates should show up immediately. If that doesn’t happen there are several possible reasons: there is static page cache plugin installed, which serves stale version (the specific implementation of cache would depend on a plugin); there is a caching layer between the … Read more
Yep, of course that’s possible. There are several ways of viewing the php source code of your theme, of your plugins and of WordPress itself. I assume that you are interested in the php code of your theme – that’s mostly what’s generating the public facing HTML that gets served to the site visitor’s browser. … Read more
Initially this sounds like a hosting problem and not a WordPress issue. Where are you hosted? Shared? Dedicated? php version? mysql version? Run through a typical wp hack protocol and check for base64 code in wp-config.php, any theme files and akismet plugin files… also any other php files. Database hacks are sometimes hard to find … Read more
The WebM file format isn’t known to WordPress by default, you have to add it. add_filter( ‘upload_mimes’, ‘custom_mimes’ ); function custom_mimes( $mimes ){ $mimes[‘webm’] = ‘video/webm’; return $mimes; } The .ogg file format is known to WordPress as audio/ogg, if you’re wanting to do video with it, the correct extension is .ogv.
By the time admin_init rolls around you should know if you’re doing AJAX or not. If you’re not, then check the IP. Keep in mind that anyone can fake that number. add_action(‘admin_init’, function() { if(defined(‘DOING_AJAX’) && DOING_AJAX) { return; // ignore ajax }; $ip = $_SERVER[ ‘REMOTE_ADDR’ ]; if($ip !== ‘10.0.0.0’) { wp_die(__(‘You are not … Read more