WP-Members has its own built-in form field validation for things like usernames, email, and required fields. But what if you need to validate other elements, such as testing to see if an entered value is a number? Yes, the plugin framework allows for you to extend the form field validation to whatever you need.
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Welcome to RocketGeek Interactive › Forums › Custom form field validation: numeric fields
Tagged: add_action, is_int, is_numeric, wpmem_pre_register_data, wpmem_pre_update_data