phpstorm 9 all project encoding change

<?php

$files = glob('*/.idea/encodings.xml');

foreach($files as $file) {
    addProjectEncoding($file);
}

function addProjectEncoding($filename) {
    $dom = new DOMDocument();
    $dom->load($filename);

    $encoding = null;
    $components = $dom->getElementsByTagName('component');

    foreach($components as $component) {
        if($component->getAttribute('name') != 'Encoding') continue;
        $encoding = $component;
        break;
    }

    if(!$encoding) {
        $encoding = $dom->createElement('component');
        $encoding->setAttribute('name', 'Encoding');
        $dom->appendChild($encoding);
    }

    $encoding->setAttribute('useUTFGuessing', 'true');
    $encoding->setAttribute('native2AsciiForPropertiesFiles', 'false');
    $encoding->setAttribute('defaultCharsetForPropertiesFiles', 'UTF-8');

    $project = null;
    $files = $encoding->getElementsByTagName('file');

    foreach($files as $file) {
        if($file->getAttribute('url') != 'PROJECT') continue;
        $project = $file;
        break;
    }
    if(!$project) {
        $project = $dom->createElement('file');
        $project->setAttribute('url', 'PROJECT');
        $encoding->appendChild($project);
    }
    $project->setAttribute('charset', 'UTF-8');

    $dom->save($filename);
    echo $filename, "\n";
}