PHP中操作ini配置文件的方法

<?php
//写ini文件
function write_ini_file($assoc_arr, $path, $has_sections=FALSE)
{
    $content = "";
    if ($has_sections)
    {
        foreach ($assoc_arr as $key=>$elem)
        {
            $content .= "[".$key."]\n";
            foreach ($elem as $key2=>$elem2)
            {
                if(is_array($elem2))
                {
                    for($i=0;$i<count($elem2);$i++)
                    {
                        $content .= $key2."[] = \"".$elem2[$i]."\"\n";
                    }
                }
                else if($elem2=="") $content .= $key2." = \n";
                else $content .= $key2." = \"".$elem2."\"\n";
            }
        }
    }
    else
    {
        foreach ($assoc_arr as $key=>$elem)
        {
            if(is_array($elem))
            {
                for($i=0;$i<count($elem);$i++)
                {
                    $content .= $key2."[] = \"".$elem[$i]."\"\n";
                }
            }
            else if($elem=="") $content .= $key2." = \n";
            else $content .= $key2." = \"".$elem."\"\n";
        }
    }
    if (!$handle = fopen($path, w))
    {
        return false;
    }
    if (!fwrite($handle, $content))
    {
        return false;
    }
    fclose($handle);
    return true;
}

//用法
//
$sampleData = array(
                first => array(
                    first-1 => 1,
                    first-2 => 2,
                    first-3 => 3,
                    first-4 => 4,
                    first-5 => 5,
                ),
                second => array(
                    second-1 => 1,
                    second-2 => 2,
                    second-3 => 3,
                    second-4 => 4,
                    second-5 => 5,
                ));
write_ini_file($sampleData, ./data.ini, true);

//读ini文件
public function readini($name)
{
    if (file_exists(SEM_PATH.init/.$name))
    {
        $data = parse_ini_file(SEM_PATH.init/.$name,true);
        if ($data)
        {
        return $data;
        }
    }
    else
    {
        return false;
    }
}