Prevent large forms being submitted that may blow the server's field count limit and lose data.
As of April 2026, WP Max Submit Protect is a WordPress forms plugin with 400 active installations and a 5/5 rating from 7 reviews. It has been downloaded 14K+ times in total. Requires WordPress 3.6+ and PHP false+. Available on WordPress.org since 2014. Last updated 10 years ago — may have compatibility concerns. Top alternative: WPForms – Easy Form Builder for….
Some appications, such as ecommerce sites, can have administration forms that submit well over a thousand
parameters. PHP, by default, is set to accept only one thousand parameters and so some of the submitted data can get lost.
Most applications don’t check whether they received everything, and so data can get broken easily and silently.
A WooCommerce product with 40 variations can have over 1300 submitted form items, and when saving the product you have no idea that much of that data is being discarded.
Luckily the maximum number of accepted parameters can be changed in php.ini
The problem is, many site owners have no idea this needs to be done until it is too late and their application,
for example their WooCommerce store, has lost half its product variations.
If using php.ini on…
| WordPress | 3.6+ requiredTested up to 4.2.39 |
| PHP | false+ required |
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