PHP Max input vars limits the number of input variables your server can use for a single function. If your website is WordPress, I suggest you put the value of PHP max_input_vars: up to 3000. Usually, the value max_input_vars is set to 1000 by default.

You can change the PHP max_input_vars value in the .htaccess or the php.ini file in the WordPress directory. Follow the steps to change the PHP max_input_vars:

Top 3 Methos to update PHP max_input_vars:

Update PHP Max_Input_Vars in .htaccess

Find the .htaccess file in the root of your wordpress website directory and add the below line at last:

php_value max_input_vars 3000

Update PHP max_input_vars: in php.ini file

Find the php.ini file in the root folder of your WordPress. If you do not find the php.ini file, you can create the php.ini file in the root folder of WordPress installation and write the below line and save.

max_input_vars = 3000

Update PHP max_input_vars in wp-config.php File

Find the wp-config.php file in the root folder of your WordPress Installation. Just open it and write the below code and save.

@ini_set( ‘max_input_vars’ , 3000 );