Is a plugin compatible with WordPress in Multi-Site mode? What should plugin authors check?
Configuring XAMPP for Multiple Web Sites, have a full Apache server on your Windows computer, for web site development. XAMPP configuration with Windows Hosts file.
If your IIS server doesn’t set PHP $_SERVER[‘DOCUMENT_ROOT’], here’s how you can set it in a configuration file so all your PHP programs have it.
Using PHP Composer packages if you don’t have Composer. Standard PHP code to access files (but without the version checking Composer has).
Problems with WordPress Update hanging? Or plugins failing with compression? Might be the version of PHP on your server, having bugs in Unzip.
Get Web Server Errors reported via email and log file. 404, 403, and some 500 errors.
Software and tools for web site developers, WordPress users, programmers, and using computers effectively.
Techniques for testing complex regular expressions or strings containing special characters, in Apache .htaccess files.
Apache or IIS detailed error reporting, for 404:File Not Found or 403:Forbidden errors. Visitors see minimal information, site administrators get log entries and optionally an email about each error.