<link rel="stylesheet" type="text/css" href="./css/globel.css">
<script src="./js/config.js"></script>

<link rel="stylesheet" type="text/css" href="./css/globel.css?eslc-app=3-0-2">
<script src="./js/config.js?eslc-app=3-0-2"></script>

//生成版本
//清除版本
class ReplaceVersion{
 protected $filePostFixs = array();
 protected $versionName = null;
 protected $version = null;
 protected $path = null;
 /**
 * @param mixed $configs 
 * @param [type] $profix [description]
 * @param [type] $path [description]
 */
 public function __construct($configs, $profix, $path){
 if (!$this->isCanRun()) {
  $this->error('必须在内网环境 10.10.0开头才可运行'); //exit;
 }
 $this->setVersion($configs);
 $this->setFilePostFix($profix);
 $this->path = $path;
 }
 protected function isCanRun(){
 if (strpos($_SERVER['HTTP_HOST'], '10.10.0') !== false) {
  return true;
 }
 return false;
 }
 /**
 * 匹配到script节点
 * @param array $match 匹配到的script
 * @return string 处理好的script
 */
 protected function callbackScript($match){
 //["<script src="../js/config.js?is=new"></script>", "../js/config.js", "?is=new"]
 /*/<script.*?src=\"(.*?)(\?.*?|\?)?\".*?><\/script>/*/
 $str = $match[0];
 $pattern = '/(<script.*?src=\")(.*)?(\"><\/script>)/';
 return $this->callbackMatch($str, $pattern);
 }
 /**
 * 匹配到css节点
 * @param array $match 匹配到的css
 * @return string 处理好的css
 */
 protected function callbackCss($match){
 // '<link rel="stylesheet" type="text/css" href="../css/globel.css">';
 $str = $match[0];
 $pattern = '/(<link.*?href=\")(.*)?(\".*?>)/';
 return $this->callbackMatch($str, $pattern);
 }
 /**
 * 回调模式匹配
 * @param string $str 
 * @param string $pattern
 * @return string 
 */
 protected function callbackMatch($str, $pattern){
 switch ($this->dealFlag) {
  case 'replace':
  return $this->replaceCallbackMatch($str, $pattern);
  case 'clean':
  return $this->cleanCallbackMatch($str, $pattern);
  default:
  $this->error('非法模式');
 }
 }
 /**
 * 替换版本
 * @param string $str 待处理的string
 * @param string $pattern 正则
 * @return string 处理后的string
 */
 protected function replaceCallbackMatch($str, $pattern){
 if (!preg_match($pattern, $str, $third)) {
  return $str;
 }
 $arr = explode('?', $third[2]);
 $len = count($arr);
 $versionName = $this->versionName;
 $version = $this->version;
 if ($len === 1) {//没有问号
  $arr[0] .= '?'. $versionName. '='. $version;
 }else{//有问号
  if (preg_match('/(^|\&)'. $versionName.'=(.*?)($|\&)/', $arr[1])) {//存在
  $arr[1] = preg_replace('/(^|\&)'. $versionName.'=(.*?)($|\&)/', '$1'. $versionName.'='. $version. '$3', $arr[1]);
  $arr[0] .= '?'. $arr[1];
  }else{//不存在
  $arr[0] .= '?'. $arr[1]. '&'. $versionName. '='. $version;
  }
 }
 return $third[1]. $arr[0]. $third[3];
 }
 /**
 * 清除版本
 * @param string $str 待清除的版本
 * @param string $pattern 正则
 * @return string 清除后的string
 */
 protected function cleanCallbackMatch($str, $pattern){
 if (!preg_match($pattern, $str, $third)) {
  return $str;
 }
 $arr = explode('?', $third[2]);
 $len = count($arr);
 $versionName = $this->versionName;
 if ($len > 1 && strpos($arr[1], $versionName. '=') !== false) {
  $arr[1] = preg_replace('/(^|\&)'. $versionName.'=(.*?)($|\&)/', '$1', $arr[1]);
  substr($arr[1], -1) === '&' && ($arr[1] = substr($arr[1], 0, -1));
  $arr[0] .= strlen($arr[1]) > 0 ? '?'. $arr[1] : '';
  $str = $third[1]. $arr[0]. $third[3];
 }
 return $str;
 }
 /**
 * 执行
 */
 protected function run(){
 if ($this->path == '') {
  $this->error('empty path');
  return ;
 }
 if (is_dir($this->path)) {
  $this->setDirFilesVersion( $this->path );
 }else if(is_file($this->path)){
  $this->setFileVersion( $this->path );
 }else{
  $this->error('error path');
 }
 }
 /**
 * 添加版本
 */
 public function replace(){
 $this->dealFlag = 'replace';
 $this->run();
 echo 'replace success';
 }
 /**
 * 清除版本
 */
 public function clean(){
 $this->dealFlag = 'clean';
 $this->run();
 echo 'clean success';
 }
 protected function success(){
 }
 protected function error($errorMsg){
 echo $errorMsg;
 exit();
 }
 protected function setDirFilesVersion($dir){
 $handle = null;
 $file = null;
 if ( $handle = opendir($dir)) {
  while ( false !== ($file = readdir($handle)) ) {
  if ($file === '.' || $file === '..' || strpos($file, '.') === -1 ) {continue;}
  $this->setFileVersion($file);
  }
 }
 }
 protected function setFileVersion($file){
 $temp = null;
 /*$pattern = '/<script.*?src=\"(.*?)(\?.*?|\?)?\".*?><\/script>/';*/
 $temp = explode('.', $file) ;
 if ( ! $this->isNeedReplacePostFix(array_pop( $temp )) ) {return;}
 $content = null;
 $content = file_get_contents($file);
 $content = preg_replace_callback('/<script.*?><\/script>/', array(&$this, 'callbackScript'), $content);
 $content = preg_replace_callback('/<link.*?type="text\/css".*?>/', array(&$this, 'callbackCss'), $content);
 // highlight_string($content);
 file_put_contents($file, $content);
 }
 /**
 * 获得版本
 * @param mixed $configs array( 'versionName' : 'version') || $versionName
 */
 protected function setVersion($configs){
 // last_wap_version = '3-0-0', 
 // wap_version = '3-0-1',
 if (is_array($configs) && $configs > 0) {
  foreach ($configs as $key => $value) {
  $this->version = $value;
  $this->versionName = $key;
  }
 }else if(is_string($configs) && $configs != ''){
  $configs = explode(',', $configs);
  $this->versionName = $configs[0];
  count($configs) == 2 && ($this->version = $configs[1]);
 }else{
  $this->error('the version is empty');
 }
 }
 /**
 * 通过后缀判断该文件是否要添加或清除版本
 * @param string $profix 后缀
 * @return boolean true | false
 */
 protected function isNeedReplacePostFix($profix){
 if (in_array($profix, $this->filePostFixs)) {
  return true;
 }
 return false;
 }
 /**
 * 设置需要操作的后缀
 */
 public function setFilePostFix($profix){
 if (is_array($profix)) {
  count($profix) > 0 && ( $this->filePostFixs = array_merge($this->filePostFixs, $profix) );
 }else if(is_string($profix)){
  $this->filePostFixs[] = $profix;
 }
 }
}

$dir = __DIR__;
$is_clean = false;
//$is_clean = true;
//第一个参就是版本信息, 第二个就是要匹配的文件后缀, 第三个是要匹配的目录或者文件
if ($is_clean) {//清除版本
 $configs = 'eslc-wap';
 $replaceObj = new ReplaceVersion($configs, array('html'), $dir);
 $replaceObj->clean();
}else{//添加或替换版本
 $configs = array('eslc-wap' => '1.0.1');//也可以写成 $configs = 'eslc-wap, 1.0.1';
 $replaceObj = new ReplaceVersion($configs, array('html'), $dir);
 $replaceObj->replace();
}