Zeshter function remove all comments and docblocks from a given php file or a folder of php files.

zeshter.php

#!/usr/bin/env php
<?php
/**
 * Zeshter function remove all comments and docblocks from a given
 * php file or a folder of php files. Yep, it just mirine into file.
 *
 * @param string|null $path path of a php file or a folder contains php files
 */
function zeshter(?string $path, bool $debugMode = false)
{
    debug("\e[1;34mParsing \e[0;35m{$path}\e[0m...\n", $debugMode);
    if (file_exists($path)) {
        if (is_dir($path)) {
            debug("\e[1;34mParsing directory \e[0;35m{$path}\e[0m...\n", $debugMode);
            $folderContents = opendir($path);
            while (false !== ($file = readdir($folderContents))) {
                if (!in_array($file, [".", ".."])) {
                    zeshter($path . DIRECTORY_SEPARATOR . $file, $debugMode);
                }
            }
            closedir($folderContents);
            debug("\e[1;34mParsing directory \e[0;35m{$path}\e[0m Completed.\n", $debugMode);
        } elseif (is_file($path) && 'php' == pathinfo($path, PATHINFO_EXTENSION)) {
            $fileContents    = file_get_contents($path);
            $newfileContents = '';
            // list of tokens: http://php.net/manual/en/tokens.php
            $toRemoveTokens = [T_COMMENT, T_DOC_COMMENT];
            $tokens = token_get_all($fileContents);
            foreach ($tokens as $token) { // 0: numeric equivallent of token, 1: string value of token
                if (is_array($token)) {
                    if (in_array($token[0], $toRemoveTokens)) { // you cannot always remove someone, just by ignoring them. ;)
                        $lines = substr_count($token[1], "\n");
                        $newfileContents .= str_repeat("\n", $lines);
                        continue;
                    }

                    $newfileContents .= $token[1];
                } else {
                    $newfileContents .= $token;
                }
            }
            file_put_contents($path, $newfileContents);
        }
    } else {
        die("\e[0;31m{$path} does not exists. Please check the path and try again.\e[0m\n");
    }
    debug("\e[1;34mParsing \e[0;35m{$path}\e[0m Completed.\n", $debugMode);
}

/**
 * printout the debug data
 *
 * @param string $s   data to show
 * @param bool   $on  indicate that data must be shown or not
 */
function debug(string $s, bool $on = false)
{
    if ($on) {
        echo $s;
    }
}

$debug = false;

if (!isset($argv[1])) {
    die("Please use program in \e[0;31m{$argv[0]} \e[0;36mdirectory\e[0m format (\e[0;36mdirectory\e[0m is path of folder).\n");
}

if (isset($argv[2])) {
    $debug = true;
}

zeshter($argv[1], $debug);