How to Resolve Fatal Error: Call to Undefined function ctype_xdigit()

No results found. Try again with different words?

Search must be at least 3 characters.

    How to Resolve Fatal Error: Call to Undefined function ctype_xdigit()

    If you’re getting a fatal error notification that begins with the following description “Uncaught Error: Call to undefined function ctype_xdigit()” , that means that the ctype_xdigit function is missing from PHP version installed on your hosting.

    Fatal Error: ctype_xdigit

    These functions are used to check whether a character or string falls into a certain character class. You can find out more about these functions here.

    Usually, the ctype_xdigit function comes bundled with other ctype functions as a part of the default PHP installation. Some hosting companies might leave the ctype_xdigit function out.

    How to resolve this?

    As mentioned, this is related to the functions included in PHP version your host installed on your server. Thus, the solution for this is contacting your hosting provider and asking the host to re-/enable the ctype_xdigit function for your website.

    Was this article helpful?
    Did not find a solution? We are here to help you succeed.

    Related Docs

    Scroll to Top

    Download is Just A Click Away!

    Be among the first to try the beta version of Astra’s Header Footer Builder. Filling the form will ensure you’ll be the first to learn about updates and features.

    Download is Just A Click Away!

    Enter your email address and be the first to learn about updates and new features.