软件著作权中php程序量统计

<?php
// 统计php代码行数
function countLine($dir)
{
    $count = 0;
    if (is_dir($dir)) { 
        $files = scandir($dir);
        foreach ($files as $file) {
            if ($file[0] == '.') continue;
            $file = $dir . "/" . $file;
            if (is_dir($file)) {
                $count += countLine($file);
            } else {
                if (strpos($file, ".php")) {
                    $line_count = count(file($file));
                    echo $file . ":$line_count\n";
                    $count += $line_count;
                }
            }
        }
    } else {
        $count += count(file($dir));
    }
    return $count;
}
 //项目根目录
$dir = __DIR__ . '/code';

//var_dump($dir);
echo countLine($dir);