Advanced Spam Filters for Elementor Forms

/** START ELEMENTOR FORM SPAM PROTECTION **/

add_action( 'elementor_pro/forms/validation', function ( $record, $handler ) {

    // Make sure the form is an instance of Form_Record class

    if ( ! $record instanceof \ElementorPro\Modules\Forms\Classes\Form_Record ) {

        return;

    }

    $raw_fields = $record->get('fields');

    $fields = [];

    foreach ( $raw_fields as $id => $field ) {

        $fields[ $id ] = $field['value'];

    }

    // Define blocked domains

    $blocked_domains = ['gmail.com', 'hotmail.com'];

    // Define blocked words/phrases

    $blocked_words = ['High quality website', 'do follow links', 'Website DA']; // Add your words/phrases here

    // Check for blocked domains

    if ( isset( $fields['email'] ) ) {

        $email_domain = substr(strrchr($fields['email'], "@"), 1);

        if ( in_array( $email_domain, $blocked_domains ) ) {

            $handler->add_error( 'email', 'Emails from this domain are not accepted.' );

            return;

        }

    }

    // Check for blocked words/phrases

    foreach ( $fields as $field ) {

        foreach ( $blocked_words as $word ) {

            if ( strpos( strtolower( $field ), strtolower( $word ) ) !== false ) {

                $handler->add_error( 'general', 'Your submission contains blocked words/phrases.' );

                return;

            }

        }

    }

}, 10, 2 );

/** END ELEMENTOR FORM SPAM PROTECTION **/