@fernando You can probably hide it with some custom css, or write a plugin to make it not show up at all. I do not think there's an option to just remove it unfortunately.
Safest bet is probably a plugin to make this a hidden in the .php itself, using the checkbox's id as in <input type="hidden" value="false" id="friendsync"/>.
Less safe bet is to have the .js help out here, maybe with jQuery. If you are familiar with .js, you can write some jQuery to replace the checkbox input with a hidden input (with a value of 'false'), similar to what the plugin would do.
Least safe bet is to hide with .css. Simply because with the checkbox hidden, it might still come across as "checked" when submitting the form. That wouldn't be a nice feature.
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Safest bet is probably a plugin to make this a hidden in the .php itself, using the checkbox's id as in
<input type="hidden" value="false" id="friendsync"/>.Less safe bet is to have the .js help out here, maybe with jQuery. If you are familiar with .js, you can write some jQuery to replace the checkbox input with a hidden input (with a value of 'false'), similar to what the plugin would do.
Least safe bet is to hide with .css. Simply because with the checkbox hidden, it might still come across as "checked" when submitting the form. That wouldn't be a nice feature.
Some things to consider, I suppose.