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How to manage the PHP variable "max_input_vars" in Plesk

Pablo Alvarez

Updated December 03, 2024 19:13

Plesk for Windows kb: how-to Plesk for Linux ABT: Group B

Applicable to:

Plesk for Linux
Plesk for Windows

Question

How to manage the PHP variable max_input_vars in Plesk?

Answer

The variable can be set for one domain, or globally for all domains.

One Domain

Log in to Plesk
Go to Domains > example.com > PHP
Add max_input_vars with the desired value to Additional configuration directives

max_input_vars = 3000
Press OK to save the changes

All Domains

Log in to Plesk
Go to Tools & Settings > PHP Settings > <Desired PHP handler>
Switch to the php.ini tab
Search for max_input_vars, remove the ; in front, and enter the desired value
Press OK to save the changes

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