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For numeric fields, there is a convenient way to validate a value range, but we want to select to run a custom validation script.
After the “Edit” button is clicked, a new window will open that allows us to edit the new script: This script also includes a check for an empty string, so that the user can wipe out a wrong string and start from scratch.
In that case, the previous value of the field is restored, and the user has to enter the data again.
This is not always desired (for more complicated data, it will probably be much easier to take a look, correct that one typo and continue with the rest of the form), so my preference is actually to mark the field so that the user knows which field needs to be corrected, and have the validation script not report a validation error back to the field: Using this method has implications on the form submission process: The form no longer can verify that the data is correct, so the submission function needs to do another round of validation to see if any of the required fields are not correct (one way to do that is to test all relevant fields to see if the text color is using the error color, or we can use global variables to store the validation state).
In the latter case, we set rc to false, and also display an error message.
When you play around with the function, you’ll notice that the validation function is only called when the focus leaves the field, so you have to click outside of the field to actually make that error message pop up.
The member ‘rc’ (or return code) is used to communicate back if the validation was successful or not.It also supports a long list of third-party plugin compatibility such as W3 Total Cache, Jetpack, Contact From 7, Woo Commerce, Buddy Press, bb Press and WP-Members.It offers a 14 day free trial, after which a commercial license costs /year for a single website.The moment your website starts getting a decent amount of traffic, a host of unwelcome spammers join the party. This will ultimately reduce your SEO score – all thanks to automated spam bots.And most of these spammers are automated spam bots. If you decide to manually moderate each and every comment, checking them for spam and authenticity, well, you’re going to need a human effort, your Word Press database keeps getting filled with spam comments. Of course we have a number of solutions for this problem.
One of the questions I get asked again and again is how to validate a field value in an Acro Form with a custom validation script.