Convert comments to one-line when possible.

convert.php

#!/usr/bin/env php
<?php

$path = $argv[1];
if (empty($path)) {
    echo "Path is not set.";
    exit(1);
}

file_put_contents(
    $path, 
    preg_replace(
        '#/\*\*?\s*\n\s*\*\s*(.*)\n\s*\*/#', 
        '/** $1 */', 
        file_get_contents($path)
    )
);
echo "Ok! $path";
exit(0);