newline fixer

newline_fixer.php

<?php
declare(strict_types = 1);

function replaceRecursive(string $dir, array $replaces, array $ext_whitelist = [], array $ext_blacklist = [], array $name_blacklist = [], bool $onlytext = false): void
{
    $dir = rtrim($dir, DIRECTORY_SEPARATOR);
    $files = glob($dir . DIRECTORY_SEPARATOR . '*');
    foreach ($files as $file) {
        if (in_array(strtolower(basename($file)), $name_blacklist, true)) {
            continue;
        }
        if (is_dir($file)) {
            replaceRecursive($file, $replaces, $ext_whitelist, $ext_blacklist, $name_blacklist, $onlytext);
            continue;
        }
        $ext = strtolower(pathinfo($file, PATHINFO_EXTENSION));
        if (in_array($ext, $ext_blacklist, true) || (! empty($ext_whitelist) && ! in_array($ext, $ext_whitelist, true))) {
            continue;
        }
        if ($onlytext) {
            $isText = shell_exec("file --brief " . escapeshellarg(realpath($file)));
            $isText = (false !== stripos($isText, "text"));
            if (! $isText) {
                continue;
            }
        }

        $original = file_get_contents($file);
        $replaced = strtr($original, $replaces);
        if ($original !== $replaced) {
            var_dump($file);
            file_put_contents($file, $replaced, LOCK_EX);
        }
    }
}

replaceRecursive("dir",["\r\n"=>"\n"],[],[],[".git"],true);