/** 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 **/