Merge orm annotations to existing classes

merge-annotations.php

<?php

// Run after $ php app/console doctrine:mapping:convert annotation

$propertyRegExp = '~(    \/\*\*[^/]+?\*\/)\s+(?:private)|(?:protected) \$(\w+)\;~';
$classRegExp = '~(\/\*\*[\s\S]+?\*\/)\s+(class \w+)~';

$to   = '';
$from = '';

$Regex = new RegexIterator(
    new RecursiveIteratorIterator(new RecursiveDirectoryIterator($from)),
    '/^.+\.php$/i',
    RecursiveRegexIterator::GET_MATCH
);

$i = 0;

foreach ($Regex as $file) {
    $file = $file[0];
    $baseName = basename($file);
    echo $baseName, "\n";
    $toFile = $to . '/' . $baseName;
    $fileContents = file_get_contents($file);
    $toFileContents = file_get_contents($toFile);

    if (preg_match($classRegExp, $fileContents, $m)) {
        $classComment = $m[0];
        echo $classComment, "\n";
        $toFileContents = preg_replace($classRegExp, $classComment, $toFileContents);
    }

    if (preg_match_all($propertyRegExp, $fileContents, $matches, PREG_SET_ORDER)) {
        foreach ($matches as $mm) {
            $re = str_replace('(\w+)', $mm[2], $propertyRegExp);
            $toFileContents = preg_replace($re, $mm[0], $toFileContents);
            echo $re, "\n";
        }
    }
    file_put_contents($toFile, $toFileContents);
}