<?php

$src = 'skin/skin.ini';
$dst = 'standard/skin.ini';

$src = parse_ini_2($src, true);
$dst = parse_ini_2($dst, true);

$added_sections = $removed_sections = $added_keys = $removed_keys = array();

foreach ($src as $section=>$v)
{
    if (!array_key_exists($section, $dst))
    {
        $removed_sections[$section] = $v;
        continue;
    }

    foreach ($v as $key=>$value)
    {
        if (!array_key_exists($key, $dst[$section]))
        {
            $removed_keys[$section . '/' . $key] = $value;
            continue;
        }
    }
}

foreach ($dst as $section=>$v)
{
    if (!array_key_exists($section, $src))
    {
        $added_sections[$section] = $v;
        continue;
    }

    foreach ($v as $key=>$value)
    {
        if (!array_key_exists($key, $src[$section]))
        {
            $added_keys[$section . '/' . $key] = $value;
            continue;
        }
    }
}

header('Content-Type: text/plain');

echo "Removed sections :\n";
print_r($removed_sections);

echo "Removed keys :\n";
print_r($removed_keys);

echo "Added sections :\n";
print_r($added_sections);

echo "Added keys :\n";
print_r($added_keys);

function parse_ini_2($file, $parse_sections = true)
{
    $file = file($file);
    $ini = array();
    $current_section = false;

    $i = 0;

    foreach ($file as $line)
    {
        $i++;
        $line = trim($line);

        if (preg_match('!^[;#]!', $line) || empty($line))
            continue;

        if (preg_match('!^\[([^\]]+)\]!', $line, $match))
        {
            if ($parse_sections)
            {
                $current_section = trim($match[1]);
                $ini[$current_section] = array();
            }

            continue;
        }

        if (preg_match('!^([^=]+)\s*=\s*(.*)$!', $line, $match))
        {
            $key = trim($match[1]);
            $value = trim($match[2]);

            if (preg_match('!^"([^"]*)"!', $value, $match))
                $value = (string) $match[1];
            elseif (preg_match("!^'([^']*)'!", $value, $match))
                $value = (string) $match[1];
            else
            {
                $value = preg_replace('![;#].*$!', '', $value);
                $value = trim($value);

                if (is_numeric($value))
                    $value = (int) $value;
                elseif (strtolower($value) == 'true')
                    $value = true;
                elseif (strtolower($value) == 'false')
                    $value = false;
                else
                    $value = (string) $value;
            }

            if (!$current_section)
            {
                $ini[$key] = $value;
            }
            else
            {
                $ini[$current_section][$key] = $value;
            }
        }
        else
        {
            die("Parse error on line $i: ".$line);
        }
    }

    return $ini;
}

?>