how to make the editor only accept numbers and logical and mathematical operators ?
A plugin with a filterTransaction
hook could be used to do that.
could you leave a simple example to get things clear or any link to a similar situation ?
how to make the editor only accept numbers and logical and mathematical operators ?
A plugin with a filterTransaction
hook could be used to do that.
could you leave a simple example to get things clear or any link to a similar situation ?