count_likert_columns.php

add_action( 'gform_pre_submission_217', 'count_likert_columns' );
function count_likert_columns( $form ) {

    $survey_fields = GFCommon::get_fields_by_type( $form, array( 'survey' ) );

    if ( ! empty( $survey_fields ) ) {
        $count = array_fill( 1, 5, 0 );

        foreach ( $survey_fields as $field ) {
            $type = GFFormsModel::get_input_type( $field );

            if ( 'likert' == $type ) {
                if ( rgar( $field, 'gsurveyLikertEnableMultipleRows' ) && isset( $field['inputs'] ) && is_array( $field['inputs'] ) ) {
                    foreach ( $field['inputs'] as $input ) {
                        $input_name = 'input_' . str_replace( '.', '_', $input['id'] );
                        $value      = rgpost( $input_name );

                        if ( ! empty( $value ) ) {
                            list( , $col_val ) = explode( ':', $value, 2 );

                            foreach ( $field['choices'] as $choice ) {
                                if ( $choice['value'] == $col_val ) {
                                    ++ $count[ $choice['score'] ];
                                }
                            }
                        }
                    }
                } else {
                    $value = rgpost( 'input_' . $field['id'] );
                    if ( ! empty( $value ) ) {
                        foreach ( $field['choices'] as $choice ) {
                            if ( $choice['value'] == $value ) {
                                ++ $count[ $choice['score'] ];
                            }
                        }
                    }
                }
            }

        }

        $_POST['input_3'] = $count[1];
        $_POST['input_4'] = $count[2];
        $_POST['input_5'] = $count[3];
        $_POST['input_6'] = $count[4];
        $_POST['input_7'] = $count[5];
    }

}