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How to manage the PHP variable "max_input_vars" in Plesk

Vincent Lauton
Updated
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
   

  1. Log into Plesk

  2. Go to Domains > example.com > PHP

  3. Add max_input_vars with the desired value to Additional configuration directives

    max_input_vars = 3000

  4. Press OK to save the changes

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