railpage/railpagecore

<?php

/**
 * Loco module functions
 * @since Version 3.2
 * @package Railpage
 * @author Michael Greenhill
 */
 
/**
 * Format the gauge string to make it look nicer
 * @since Version 3.2
 * @param string $gauge
 * @return string
 */

function format_gauge($gauge = false) {
    if (!$gauge) {
        return NULL;
    }
    
    preg_match("/(?<=\()(.+)(?=\))/is", $gauge, $matches); 
    
    $keys = array_keys($matches);
    $lastkey = array_pop($keys); 
    // Throws a PHP Strict error if you try to combine the above into array_pop(array_keys());
    unset($keys); 
    
    if (isset($matches[$lastkey])) {
        $str = trim(str_replace("(".$matches[$lastkey].")", "", $gauge));
        $str = $str."<span style='display:block;margin-top:-8px;margin-bottom:-4px;' class='gensmall'>".$matches[$lastkey]."</span>";
    } else {
        $str = $gauge; 
    }
    
    return $str;
}