ini2csv.php

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<?php
define('_Q','"');
define('XATAFACEQ', '"');
function is_utf8($str) {
        if ($str === mb_convert_encoding(mb_convert_encoding($str, "UTF-32", "UTF-8"), "UTF-8", "UTF-32")) {
                return true;
        } else {
                return false;
        }
}

function encode_if_necessary($str){
        if ( !is_utf8($str) ) return utf8_encode($str);
        else return $str;
}

$dicts = array();
$files = array();
$out = 'translations.csv';

foreach ( $argv as $file ){
        if ( preg_match('/\.csv$/', $file) ){
                $out = $file;
                continue;
        }
        if ( !preg_match('/\.ini$/', $file ) )continue;
        
        $files[] = $file;
        $dicts[$file] = parse_ini_file($file);
}


$keys = array();
foreach ($dicts as $dict){
        foreach ($dict as $key=>$val){
                if ( !isset($keys[$key]) ) $keys[$key] = $key;
        }
}

$fp = fopen($out, 'wb');
$fields = $files;
array_unshift($fields, 'Key');
$fields = array_map('encode_if_necessary', $fields);

fputcsv($fp, $fields);
foreach ($keys as $key){
        $row = array($key);
        foreach ($files as $file){
                if ( isset($dicts[$file][$key]) ) $row[] = $dicts[$file][$key];
                else $row[] = '';
        }
        $row = array_map('encode_if_necessary', $row);
        fputcsv($fp, $row);
}
fclose($fp);
echo "Translations saved in file $out\n";