Edit not working when 50 plus rows is showing.

[Imrulkais]

Steps to reproduce

1. Input 100+ rows in a table
2. Select Number of rows(from dropdown) at least 50
3. Click on the edit button in any row.

Expected behaviour

It should open an edit form with old values.

Actual behaviour

Not showing the edit form with values.

Server configuration

PHP version: 7.1.12

phpMyAdmin version: 4.7.7

Client configuration

Browser: Google chrome

Operating system: Windows 10/64

[rouet]

We had the same bug.
To correct it, change the max_input_vars php ini parameter to something very big (1000 is the default and it is too small).
We set 5000
You may have to change max_post_size or other parameter.

[MauricioFauth]

Related to #13887

[MauricioFauth]

Should be fixed by #14036.