money_format.module

<?php
/**
 * Implements hook_field_formatter_view().
 */

function money_format_field_formatter_info() {
    $formats = array(
        'money_format_current' => array(
            'label' => t('Money Format'),
            'description' => t('Money format'),
            'field types' => array('number_float','list_float','number_decimal','number_integer','text'),
            'settings'  => array(
                'current_money' => 'ud',
            ),
        ),
   );
    return $formats;
}
/**
 * Implements hook_field_formatter_settings_form().
 */
function money_format_field_formatter_settings_form($field, $instance, $view_mode, $form, &$form_state) {
    $display = $instance['display'][$view_mode];
    $settings = $display['settings'];
    //Initialize the element variable
    $element = array();
    //Add your select box
    $element['current_money'] = array(
        '#type'           => 'select',
        '#title'          => t('Money format'),
        '#description'    => t('Select money format'),
        '#default_value'  => $settings['current_money'],
        '#options'        => array(
            'ud' => 'Similar to: USD 100',
            'db' => 'Similar to: $ 100 ',
            'fd' => 'Similar to: USD $ 100',
            'af' => 'Similar to: 100 USD',
            'da' => 'Similar to: 100 $',
            'af' => 'Similar to: 100 USD $',
            'sb' => 'Similar to: S/ 100',
            'sa' => 'Similar to: 100 S/',
            'eb' => 'Similar to: € 100',
            'ea' => 'Similar to: 100 €',
        ),
    );
    return $element;
}
/**
 * Implements hook_field_formatter_settings_summary().
 */
function money_format_field_formatter_settings_summary($field, $instance, $view_mode) {
    $summary = t('Select money format');
    return $summary;
}
/**
* Split number
*/
function money_format_split($mount)
{
    $data = explode(".",$mount);
    return $data[0] .  "<span class='centavos'>." . $data[1] . "</span>";
}
/**
* Implements hook_field_formatter_view().
*/
function money_format_field_formatter_view($entity_type, $entity, $field, $instance, $langcode, $items, $display) {
    $element = array(); // Initialize the var
    $settings = $display['settings']; // get the settings
    $size = $settings['current_money'];
    switch ($size) {
        case 'ud':
            foreach ($items as $delta => $item)
            {
                $output = "<span class='money-label'>USD</span>" . money_format_split($item["value"]);
                $element[$delta] = array('#markup' => $output);
            }
            break;
        case 'db':
            foreach ($items as $delta => $item)
            {
                $output = "<span class='money-label'>$</span>" . money_format_split($item["value"]);
                $element[$delta] = array('#markup' => $output);
            }
            break;
        case 'fd':
            foreach ($items as $delta => $item)
            {
                $output = "<span class='money-label'>USD $</span>" . money_format_split($item["value"]);
                $element[$delta] = array('#markup' => $output);
            }
            break;
        case 'af':
            foreach ($items as $delta => $item)
            {
                $output =  "" . money_format_split($item["value"]) . "<span class='money-label'>USD $</span>";
                $element[$delta] = array('#markup' => $output);
            }
            break;
        case 'da':
            foreach ($items as $delta => $item)
            {
                $output = "" . money_format_split($item["value"]) . "<span class='money-label'>$</span>";
                $element[$delta] = array('#markup' => $output);
            }
            break;
        case 'af':
            foreach ($items as $delta => $item)
            {
                $output = "" . money_format_split($item["value"]) . "<span class='money-label'>USD $</span>";
                $element[$delta] = array('#markup' => $output);
            }
            break;
        case 'sb':
            foreach ($items as $delta => $item)
            {
                $output = "<span class='money-label'>S/</span>".$item["value"];
                $element[$delta] = array('#markup' => $output);
            }
            break;
        case 'sa':
            foreach ($items as $delta => $item)
            {
                $output = $item["value"]."<span class='money-label'>S/</span>";
                $element[$delta] = array('#markup' => $output);
            }
            break;
        case 'eb':
            foreach ($items as $delta => $item)
            {
                $output = "<span class='money-label'>€</span>".$item["value"];
                $element[$delta] = array('#markup' => $output);
            }
            break;
        case 'eb':
            foreach ($items as $delta => $item)
            {
                $output = $item["value"]."<span class='money-label'>€</span>";
                $element[$delta] = array('#markup' => $output);
            }
            break;
        default:
            foreach ($items as $delta => $item)
            {
                $output =$item["value"];
                $element[$delta] = array('#markup' => $output);
            }
            break;
    }
    return $element;
}