How to increase the PHP Max Input Vars | WordPress Troubleshooting Guide | Change PHP Input Variable

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To ensure optimal performance with a modern WordPress theme, it is recommended to set the PHP Max Input Vars value to 3000. This value represents the maximum number of variables that your server can handle for a single function. If the value is too low, you may encounter issues such as data loss in Theme Options and disappearing widgets.
Please note that modifying the PHP Max Input Vars value might not be possible on most shared hosting environments, as they typically restrict access to such configurations to optimize resource allocation. In such cases, it is advisable to contact your hosting provider and inquire if they can adjust this value for you.
For advanced users who have their own server setups and complete access to the PHP.ini file, you can proceed with Method 1 outlined below. For standard users without direct access to the PHP.ini file, Method 2 is recommended.