PHP ZIP 解壓縮，檔名編碼自動轉為Utf-8編碼範例

phpunzip.php

#!/usr/bin/env php
<?php
	/**
	 * PHP ZIP 解壓縮，檔名編碼自動轉為Utf-8編碼範例。
	 *
	 * @see https://gist.github.com/samwhelp/2f6764561bc3b5f15125
	 * @see http://www.ubuntu-tw.org/modules/newbb/viewtopic.php?post_id=327124#forumpost327124
	 * @see http://micy.cn/blog/post/118
	 * @see http://www.chengcms.com/study/391.html?jdfwkey=wtgln3
	 * @see http://forum.ubuntu.org.cn/viewtopic.php?f=163&t=325386
	 * @see http://php.net/manual/en/function.mb-detect-encoding.php
	 * @see http://php.net/manual/en/function.iconv.php
	 * @see http://php.net/manual/en/book.iconv.php
	 * @see http://php.net/manual/en/book.zip.php
	 * @see http://php.net/manual/en/zip.examples.php
	 */

	/*
		這個是在Xubuntu 14.04 底下測試的。
		將檔案存到「~/bin/phpunzip」，然後「chmod u+x ~/bin/phpunzip」。
		然後解壓縮，只要執行「phpunzip file_name 」就行了。
	*/

	if (!extension_loaded('zip')) {
		printf("php zip extension is needed. See http://www.php.net/manual/en/zip.installation.php\n");
		exit;
	}

	if (!isset($argv[1])) {
		printf("Usage: %s file_name\n\n", basename($argv[0]));
		exit;
	}

	define('UTIL_ZIP_EXTRACT_DETECT_ENCODING_ORDER_LIST', 'UTF-8, BIG5, ISO-8859-1'); //請更改你要檢測的編碼。請參考「http://php.net/manual/en/function.mb-detect-order.php」。
	//define('UTIL_ZIP_EXTRACT_DETECT_ENCODING_ORDER_LIST', 'UTF-8, GB2312, BIG-5, SHIFT-JIS, ISO-8859-1');


	/**
	 * ZIP 解壓縮，並偵測檔案名稱編碼，自動轉換成Utf-8。
	 *
	 * @param string $source_path zip檔案路徑。
	 * @param mixed $target_path 解開後的路徑，可以不填。
	 * @return string 有發生錯誤，會回傳訊息。
	 */

	function util_zip_extract($source_path, $target_path=null)
	{
		if ($target_path === null) {
			$target_path = substr($source_path, 0, -4);
		}

		$target_base_path = dirname($target_path);

		if (file_exists($target_path)) {
			return 'Dir or File is exist!: ' . $target_path;
		}

		if (!file_exists($source_path)) {
			return 'Extract file is not exist!: ' . $source_path;
		}

		$file = zip_open($source_path);

		if (!is_resource($file)) {
			return 'Open zip file not ok!: ' . $source_path;
		}

		while ($entry = zip_read($file)) {
			$file_size = zip_entry_filesize($entry);
			$file_name = zip_entry_name($entry);

			$encode = mb_detect_encoding($file_name, UTIL_ZIP_EXTRACT_DETECT_ENCODING_ORDER_LIST);

			//echo $encode . PHP_EOL;

			if (strtoupper(trim($encode)) !== 'UTF-8') {
				$file_name = iconv($encode, 'UTF-8//TRANSLIT', $file_name);
				////$file_name = iconv('Big5', 'UTF-8//TRANSLIT', $file_name);
				////$file_name = iconv('Big-5', 'UTF-8//TRANSLIT', $file_name);
			}


			$target_file_path = $target_base_path . '/' . $file_name;

			if (!$file_size) {
				if (file_exists($target_file_path)) {
					continue;
				}
				mkdir($target_file_path, 0755, true);
				continue;
			} else if (!zip_entry_open($file, $entry)) {
				continue;
			}

			file_put_contents($target_file_path, zip_entry_read($entry, $file_size));

			zip_entry_close($entry);
		}
		zip_close($file);
	}


	////$file = getcwd() . '/' . $argv[1];
	$file = $argv[1];

	$msg = util_zip_extract($file);

	if ($msg) {
		echo $msg;
		echo PHP_EOL;
	}