The error indicates that a WordPress plugin or theme is requesting the “wp_filesize” function but the WordPress core is either corrupted or outdated and does not have that function yet. Uncaught Error: Call to undefined function “wp_filesize” in /wp-admin/includes/image.php:249 WordPress 6.0 introduced the wp_filesize() function which should be used in favor of PHP’s filesize(). If … Read full article →
Since WordPress 5.3, a prompt asking to confirm the administration email address appears every six months when a user with an administrator role tries to access the wp-admin dashboard. This feature was introduced to make sure that the email address configured in Settings → General is active. When this screen is shown you have several options: But … Read full article →
🐱💻 Denial-of-Service or DoS attack in short, a DoS attacks tries to create fake traffic to overload your WordPress website, so much so that it becomes unavailable due to hositng/server limits. An extension to DoS is the DDoS attack with stands for Distributed Denial of Service. This one originates from multiple IP addresses. Types of … Read full article →
Here is a convenient WP-CLI command that I use when cleaning hacked WordPress websites in order to reinstall all plugins from WordPress.org It consists of two commands: get a list of all active plugins, then force reinstall for each plugin. To reinstall all WordPress themes in the same manner use:
After migrating a WordPress website ot another cPanel account, the website displayed 500 error, and the following was recorded inside the error_log file: [17-Aug-2022 12:46:18 Europe/Belgrade] PHP Fatal error: Unknown: Failed opening required ‘/home/XXXXX/XXXXX.com/wordfence-waf.php’ (include_path=’.:/opt/alt/php74/usr/share/pear’) in Unknown on line 0 WordFence adds rules to .htaccess file to include the wordfence-waf.php file by full path: php_value … Read full article →
In this guide I will be adding a scroll percentage to a WordPress page. For a working demo please check this page. Step 1. Add HTML code First step is to add the HTML code that will display the scroll percentage number inside the page or theme header. in this example I’m adding it to … Read full article →
The following checklist highlights the most important steps when publishing a WordPress webiste, that I do mysqlf and recommend to everyone else. By following this steps you will avoid common mistakes and make sure your website is ready for visitors. Tip 1. Check Website Name and Description A most common error that gets past even … Read full article →
Here is a short snippet that you can use to programmatically display messages, for example, coupon codes to random (or targeted) users. We can either set the ID ourselves and store it in the $random_user_id variable Or for example, get random user IDs from the database: 💡 Note that if there are no users in … Read full article →
MonsterInsights Error: The firewall of your server is blocking outbound calls. Please contact your hosting provider to fix this issue. cURL error 28: Failed to connect to www.google.com port 443 after 1201 ms: Couldn’t connect to server This error is caused by cURL (Client for URLs) – a command line tool that is used to … Read full article →
The constant FS_METHOD determines the filesystem method that WordPress should use for reading, writing, modifying, or deleting files. To set a different method for file editing, simply edit your wp-config.php file and add the line: The FS_METHOD forces the filesystem method and accepts the following values: Method Description direct Use Direct File I/O requests from within … Read full article →