文件管理助手函数升级

获取文件详细信息 file_info($fileName)
获取文件夹详细信息 path_info($dir)
递归获取文件夹信息 path_info_more(KaTeX parse error: Expected 'EOF', got '&' at position 5: dir,&̲fileCount=0,&KaTeX parse error: Expected 'EOF', got '&' at position 13: pathCount=0,&̲size=0)
获取文件夹下文件列表 path_list($dir)
路径当前文件[夹]名 get_path_this($path)
获取路径父目录 get_path_father($path)
删除文件 del_file($file)
递归删除文件夹 del_dir($dir)
递归复制文件夹 copy_dir($source, $dest)
创建目录 mk_dir($dir, $mode = 0777)
文件大小格式化 size_format($bytes, $precision = 2)
判断是否绝对路径 path_is_absolute( $path )
扩展名的文件类型 ext_type($ext)
文件下载 file_download($file)
文件下载到服务器 file_download_this($from, $fileName)
获取文件(夹)权限 get_mode($file) //rwx_rwx_rwx [文件名需要系统编码]
上传文件(单个，多个) upload($fileInput, $path = ‘./’);//
获取配置文件项 get_config($file, $ini, $type=“string”)
修改配置文件项 update_config($file, $ini, value,value,value,type=“string”)
写日志到LOG_PATH下 write_log(‘dd’,‘default|.自建目录.’,‘log|error|warning|debug|info|db’)

/*** 系统函数：               filesize(),file_exists(),pathinfo(),rname(),unlink(),filemtime(),is_readable(),is_wrieteable();* 获取文件详细信息       file_info($fileName)* 获取文件夹详细信息     path_info($dir)* 递归获取文件夹信息      path_info_more($dir,&$fileCount=0,&$pathCount=0,&$size=0)* 获取文件夹下文件列表    path_list($dir)* 路径当前文件[夹]名     get_path_this($path)* 获取路径父目录           get_path_father($path)* 删除文件                del_file($file)* 递归删除文件夹            del_dir($dir)* 递归复制文件夹          copy_dir($source, $dest)* 创建目录              mk_dir($dir, $mode = 0777)* 文件大小格式化            size_format($bytes, $precision = 2)* 判断是否绝对路径      path_is_absolute( $path )* 扩展名的文件类型     ext_type($ext)* 文件下载                file_download($file)* 文件下载到服务器      file_download_this($from, $fileName)* 获取文件(夹)权限     get_mode($file)  //rwx_rwx_rwx [文件名需要系统编码]* 上传文件(单个，多个)  upload($fileInput, $path = './');//* 获取配置文件项         get_config($file, $ini, $type="string")* 修改配置文件项         update_config($file, $ini, $value,$type="string")* 写日志到LOG_PATH下     write_log('dd','default|.自建目录.','log|error|warning|debug|info|db')*/// 传入参数为程序编码时，有传出，则用程序编码，
// 传入参数没有和输出无关时，则传入时处理成系统编码。
function iconv_app($str){global $config;$result = iconv_to($str,$config['systemCharset'], $config['appCharset']);return $result;
}
function iconv_system($str){//去除中文空格UTF8; windows下展示异常;过滤文件上传、新建文件等时的文件名//文件名已存在含有该字符时，没有办法操作.$char_empty = "\xc2\xa0";if(strpos($str,$char_empty) !== false){$str = str_replace($char_empty," ",$str);}global $config;$result = iconv_to($str,$config['appCharset'], $config['systemCharset']);$result = path_filter($result);return $result;
}
function iconv_to($str,$from,$to){if (strtolower($from) == strtolower($to)){return $str;}if (!function_exists('iconv')){return $str;}//尝试用mb转换；android环境部分问题解决if(function_exists('mb_convert_encoding')){$result = @mb_convert_encoding($str,$to,$from);}else{$result = @iconv($from, $to, $str);}if(strlen($result)==0){ return $str;}return $result;
}
function path_filter($path){if(strtoupper(substr(PHP_OS, 0,3)) != 'WIN'){return $path;}$notAllow = array('*','?','"','<','>','|');//去除 : D:/return str_replace($notAllow,' ', $path);
}//filesize 解决大于2G 大小问题
//http://stackoverflow.com/questions/5501451/php-x86-how-to-get-filesize-of-2-gb-file-without-external-program
function get_filesize($path){if(PHP_INT_SIZE >= 8 ){ //64bitreturn (float)(abs(sprintf("%u",@filesize($path))));}$fp = fopen($path,"r");if(!$fp) return $result;  if (fseek($fp, 0, SEEK_END) === 0) {$result = 0.0;$step = 0x7FFFFFFF;while ($step > 0) {if (fseek($fp, - $step, SEEK_CUR) === 0) {$result += floatval($step);} else {$step >>= 1;}}}else{static $iswin;if (!isset($iswin)) {$iswin = (strtoupper(substr(PHP_OS, 0, 3)) == 'WIN');}static $exec_works;if (!isset($exec_works)) {$exec_works = (function_exists('exec') && !ini_get('safe_mode') && @exec('echo EXEC') == 'EXEC');}if ($iswin && class_exists("COM")) {try {$fsobj = new COM('Scripting.FileSystemObject');$f = $fsobj->GetFile( realpath($path) );$size = $f->Size;} catch (Exception $e) {$size = null;}if (is_numeric($size)) {$result = $size;}}else if ($exec_works){$cmd = ($iswin) ? "for %F in (\"$path\") do @echo %~zF" : "stat -c%s \"$path\"";@exec($cmd, $output);if (is_array($output) && is_numeric($size = trim(implode("\n", $output)))) {$result = $size;}}else{$result = filesize($path);}}fclose($fp);return $result;
}//文件是否存在，区分文件大小写
function file_exists_case( $fileName ){if(file_exists($fileName) === false){return false;}$status         = false;$directoryName  = dirname( $fileName );$fileArray      = glob( $directoryName . '/*', GLOB_NOSORT);if ( preg_match( "/\\\|\//", $fileName) ){$array    = preg_split("/\\\|\//", $fileName);$fileName = $array[ count( $array ) -1 ];}foreach($fileArray as $file ){if(preg_match("/{$fileName}/i", $file)){$output = "{$directoryName}/{$fileName}";$status = true;break;}}return $status;
}function path_readable($path){$result = intval(is_readable($path));if($result){return $result;}$mode = get_mode($path);if( $mode && strlen($mode) == 18 &&substr($mode,-9,1) == 'r'){// -rwx rwx rwx(0777)return true;}return false;
}
function path_writeable($path){$result = intval(is_writeable($path));if($result){return $result;}$mode = get_mode($path);if( $mode && strlen($mode) == 18 &&substr($mode,-8,1) == 'w'){// -rwx rwx rwx (0777)return true;}return false;
}/*** 获取文件详细信息* 文件名从程序编码转换成系统编码,传入utf8，系统函数需要为gbk*/
function file_info($path){$info = array('name'           => iconv_app(get_path_this($path)),'path'         => iconv_app($path),'ext'         => get_path_ext($path),'type'             => 'file','mode'            => get_mode($path),'atime'            => @fileatime($path), //最后访问时间'ctime'            => @filectime($path), //创建时间'mtime'          => @filemtime($path), //最后修改时间'isReadable'   => path_readable($path),'isWriteable' => path_writeable($path),'size'           => get_filesize($path));return $info;
}
/*** 获取文件夹细信息*/
function folder_info($path){$info = array('name'         => iconv_app(get_path_this($path)),'path'         => iconv_app(rtrim($path,'/').'/'),'type'             => 'folder','mode'          => get_mode($path),'atime'            => @fileatime($path), //访问时间'ctime'          => @filectime($path), //创建时间'mtime'          => @filemtime($path), //最后修改时间'isReadable'   => path_readable($path),'isWriteable' => path_writeable($path));return $info;
}/*** 获取一个路径(文件夹&文件) 当前文件[夹]名* test/11/ ==>11 test/1.c  ==>1.c*/
function get_path_this($path){$path = str_replace('\\','/', rtrim($path,'/'));$pos = strrpos($path,'/');if($pos === false){return $path;}return substr($path,$pos+1);
}
/*** 获取一个路径(文件夹&文件) 父目录* /test/11/==>/test/   /test/1.c ==>/www/test/*/
function get_path_father($path){$path = str_replace('\\','/', rtrim($path,'/'));$pos = strrpos($path,'/');if($pos === false){return $path;}return substr($path, 0,$pos+1);
}
/*** 获取扩展名*/
function get_path_ext($path){$name = get_path_this($path);$ext = '';if(strstr($name,'.')){$ext = substr($name,strrpos($name,'.')+1);$ext = strtolower($ext);}if (strlen($ext)>3 && preg_match("/([\x81-\xfe][\x40-\xfe])/", $ext, $match)) {$ext = '';}return htmlspecialchars($ext);
}//自动获取不重复文件(夹)名
//如果传入$file_add 则检测存在则自定重命名  a.txt 为a{$file_add}.txt
//$same_file_type  rename,replace,skip,folder_rename
function get_filename_auto($path,$file_add = "",$same_file_type='replace'){if (is_dir($path) && $same_file_type!='folder_rename') {//文件夹则忽略return $path;}//重名处理if (file_exists($path)) {if ($same_file_type=='replace') {return $path;}else if($same_file_type=='skip'){return false;}}$i=1;$father = get_path_father($path);$name =  get_path_this($path);$ext = get_path_ext($name);if(is_dir($path)){$ext = '';}if (strlen($ext)>0) {$ext='.'.$ext;$name = substr($name,0,strlen($name)-strlen($ext));}while(file_exists($path)){if ($file_add != '') {$path = $father.$name.$file_add.$ext;$file_add.='-';}else{$path = $father.$name.'('.$i.')'.$ext;$i++;}}return $path;
}/*** 获取文件夹详细信息,文件夹属性时调用，包含子文件夹数量，文件数量，总大小*/
function path_info($path){if (!file_exists($path)) return false;$pathinfo = _path_info_more($path);//子目录文件大小统计信息$folderinfo = folder_info($path);return array_merge($pathinfo,$folderinfo);
}/*** 检查名称是否合法*/
function path_check($path){$check = array('/','\\',':','*','?','"','<','>','|');$path = rtrim($path,'/');$path = get_path_this($path);foreach ($check as $v) {if (strstr($path,$v)) {return false;}}return true;
}/*** 递归获取文件夹信息： 子文件夹数量，文件数量，总大小*/
function _path_info_more($dir, &$fileCount = 0, &$pathCount = 0, &$size = 0){if (!$dh = @opendir($dir)) return array('fileCount'=>0,'folderCount'=>0,'size'=>0);while (($file = readdir($dh)) !== false) {if ($file =='.' || $file =='..') continue;$fullpath = $dir . "/" . $file;if (!is_dir($fullpath)) {$fileCount ++;$size += get_filesize($fullpath);} else {_path_info_more($fullpath, $fileCount, $pathCount, $size);$pathCount ++;}}closedir($dh);$pathinfo['fileCount'] = $fileCount;$pathinfo['folderCount'] = $pathCount;$pathinfo['size'] = $size;return $pathinfo;
}/*** 获取多选文件信息,包含子文件夹数量，文件数量，总大小，父目录权限*/
function path_info_muti($list,$timeType){if (count($list) == 1) {if ($list[0]['type']=="folder"){return path_info($list[0]['path'],$timeType);}else{return file_info($list[0]['path'],$timeType);}}$pathinfo = array('fileCount'     => 0,'folderCount'    => 0,'size'           => 0,'father_name'    => '','mod'         => '');foreach ($list as $val){if ($val['type'] == 'folder') {$pathinfo['folderCount'] ++;$temp = path_info($val['path']);$pathinfo['folderCount'] += $temp['folderCount'];$pathinfo['fileCount']    += $temp['fileCount'];$pathinfo['size']       += $temp['size'];}else{$pathinfo['fileCount']++;$pathinfo['size'] += get_filesize($val['path']);}}$father_name = get_path_father($list[0]['path']);$pathinfo['mode'] = get_mode($father_name);return $pathinfo;
}/*** 获取文件夹下列表信息* dir 包含结尾/   d:/wwwroot/test/* 传入需要读取的文件夹路径,为程序编码*/
function path_list($dir,$listFile=true,$checkChildren=false){$dir = rtrim($dir,'/').'/';if (!is_dir($dir) || !($dh = @opendir($dir))){return array('folderList'=>array(),'fileList'=>array());}$folderList = array();$fileList = array();//文件夹与文件while (($file = readdir($dh)) !== false) {if ($file =='.' || $file =='..' || $file == ".svn") continue;$fullpath = $dir . $file;if (is_dir($fullpath)) {$info = folder_info($fullpath);if($checkChildren){$info['isParent'] = path_haschildren($fullpath,$listFile);}$folderList[] = $info;} else if($listFile) {//是否列出文件$info = file_info($fullpath);if($checkChildren) $info['isParent'] = false;$fileList[] = $info;}}closedir($dh);return array('folderList' => $folderList,'fileList' => $fileList);
}// 判断文件夹是否含有子内容【区分为文件或者只筛选文件夹才算】
function path_haschildren($dir,$checkFile=false){$dir = rtrim($dir,'/').'/';if (!$dh = @opendir($dir)) return false;while (($file = readdir($dh)) !== false){if ($file =='.' || $file =='..') continue;$fullpath = $dir.$file;if ($checkFile) {//有子目录或者文件都说明有子内容if(@is_file($fullpath) || is_dir($fullpath.'/')){closedir($dh);return true;}}else{//只检查有没有文件if(@is_dir($fullpath.'/')){//解决部分主机报错问题closedir($dh);return true;}}}closedir($dh);return false;
}/*** 删除文件 传入参数编码为操作系统编码. win--gbk*/
function del_file($fullpath){if (!@unlink($fullpath)) { // 删除不了，尝试修改文件权限@chmod($fullpath, 0777);if (!@unlink($fullpath)) {return false;}} else {return true;}
}/*** 删除文件夹 传入参数编码为操作系统编码. win--gbk*/
function del_dir($dir){if(!file_exists($dir) || !is_dir($dir)) return true;if (!$dh = opendir($dir)) return false;@set_time_limit(0);while (($file = readdir($dh)) !== false) {if ($file =='.' || $file =='..') continue;$fullpath = $dir . '/' . $file;if (!is_dir($fullpath)) {if (!unlink($fullpath)) { // 删除不了，尝试修改文件权限chmod($fullpath, 0777);if (!unlink($fullpath)) {return false;}}} else {if (!del_dir($fullpath)) {chmod($fullpath, 0777);if (!del_dir($fullpath)) return false;}}}closedir($dh);if (rmdir($dir)) {return true;} else {return false;}
}/*** 复制文件夹* eg:将D:/wwwroot/下面wordpress复制到* D:/wwwroot/www/explorer/0000/del/1/* 末尾都不需要加斜杠，复制到地址如果不加源文件夹名，* 就会将wordpress下面文件复制到D:/wwwroot/www/explorer/0000/del/1/下面* $from = 'D:/wwwroot/wordpress';* $to = 'D:/wwwroot/www/explorer/0000/del/1/wordpress';*/function copy_dir($source, $dest){if (!$dest) return false;if (is_dir($source) && $source == substr($dest,0,strlen($source))) return false;//防止父文件夹拷贝到子文件夹，无限递归@set_time_limit(0);$result = true;if (is_file($source)) {if ($dest[strlen($dest)-1] == '/') {$__dest = $dest . "/" . basename($source);} else {$__dest = $dest;}$result = @copy($source,$__dest);@chmod($__dest, 0777);}else if(is_dir($source)) {if ($dest[strlen($dest)-1] == '/') {$dest = $dest . basename($source);}if (!is_dir($dest)) {@mkdir($dest,0777);}if (!$dh = opendir($source)) return false;while (($file = readdir($dh)) !== false) {if ($file =='.' || $file =='..') continue;$result = copy_dir($source . "/" . $file, $dest . "/" . $file);}closedir($dh);}return $result;
}/*** 移动文件&文件夹；（同名文件夹则特殊处理）* 问题：win下，挂载磁盘移动到系统盘时rmdir导致遍历不完全；*/
function move_path2($source,$dest,$repeat_add='',$repeat_type='replace'){if (!$dest) return false;if (is_dir($source) && $source == substr($dest,0,strlen($source))) return false;//防止父文件夹拷贝到子文件夹，无限递归@set_time_limit(0);if (is_file($source)) {return move_file($source,$dest,$repeat_add,$repeat_type);}else if(is_dir($source)) {if ($dest[strlen($dest)-1] == '/') {$dest = $dest . basename($source);}if (!file_exists($dest)) {@mkdir($dest,0777);}if (!$dh = opendir($source)) return false;while (($file = readdir($dh)) !== false) {if ($file =='.' || $file =='..') continue;move_path($source."/".$file, $dest."/".$file,$repeat_add,$repeat_type);}closedir($dh);return @rmdir($source);}
}function move_file($source,$dest,$repeat_add,$repeat_type){if ($dest[strlen($dest)-1] == '/') {$dest = $dest . "/" . basename($source);}if(file_exists($dest)){$dest = get_filename_auto($dest,$repeat_add,$repeat_type);//同名文件处理规则}$result = intval(@rename($source,$dest));if (! $result) { // windows部分ing情况处理$result = intval(@copy($source,$dest));if ($result) {@unlink($source);}}return $result;
}
function move_path($source,$dest,$repeat_add='',$repeat_type='replace'){if (!$dest || !file_exists($source)) return false;if ( is_dir($source) ){//防止父文件夹拷贝到子文件夹，无限递归if($source == substr($dest,0,strlen($source))){return false;}//地址相同if(rtrim($source,'/') == rtrim($dest,'/')){return false;}}@set_time_limit(0);if(is_file($source)){return move_file($source,$dest,$repeat_add,$repeat_type);}recursion_dir($source,$dirs,$files,-1,0);@mkdir($dest);foreach($dirs as $f){$path = $dest.'/'.substr($f,strlen($source));if(!file_exists($path)){mk_dir($path);}}$file_success = 0;foreach($files as $f){$path = $dest.'/'.substr($f,strlen($source));$file_success += move_file($f,$path,$repeat_add,$repeat_type);}foreach($dirs as $f){@rmdir($f);}@rmdir($source);if($file_success == count($files)){del_dir($source);return true;}return false;
}/*** 创建目录** @param string $dir* @param int $mode* @return bool*/
function mk_dir($dir, $mode = 0777){if (!$dir) return false;if (is_dir($dir) || @mkdir($dir, $mode)){return true;}if (!mk_dir(dirname($dir), $mode)){return false;}return @mkdir($dir, $mode);
}/*
* 获取文件&文件夹列表(支持文件夹层级)
* path : 文件夹 $dir ——返回的文件夹array files ——返回的文件array
* $deepest 是否完整递归；$deep 递归层级
*/
function recursion_dir($path,&$dir,&$file,$deepest=-1,$deep=0){$path = rtrim($path,'/').'/';if (!is_array($file)) $file=array();if (!is_array($dir)) $dir=array();if (!$dh = opendir($path)) return false;while(($val=readdir($dh)) !== false){if ($val=='.' || $val=='..') continue;$value = strval($path.$val);if (is_file($value)){$file[] = $value;}else if(is_dir($value)){$dir[]=$value;if ($deepest==-1 || $deep<$deepest){recursion_dir($value."/",$dir,$file,$deepest,$deep+1);}}}closedir($dh);return true;
}
function dir_list($path){recursion_dir($path,$dirs,$files);return array_merge($dirs,$files);
}// 安全读取文件，避免并发下读取数据为空
function file_read_safe($file,$timeout = 3){if(!$file || !file_exists($file)) return false;$fp = @fopen($file, 'r');if(!$fp) return false;$startTime = microtime(true);do{$locked = flock($fp, LOCK_SH);//LOCK_EX|LOCK_NB if(!$locked){usleep(mt_rand(1, 50) * 1000);//1~50ms;}} while((!$locked) && ((microtime(true) - $startTime) < $timeout ));//设置超时时间if($locked && filesize($file) >=0 ){$result = @fread($fp, filesize($file));flock($fp,LOCK_UN);fclose($fp);if(filesize($file) == 0){return '';}return $result;}else{flock($fp,LOCK_UN);fclose($fp);return false;}
}// 安全读取文件，避免并发下读取数据为空
function file_wirte_safe($file,$buffer,$timeout=3){clearstatcache();if(strlen($file) == 0 || !$file || !file_exists($file)) return false;$fp = fopen($file,'r+');$startTime = microtime(true);do{$locked = flock($fp, LOCK_EX);//LOCK_EX if(!$locked){usleep(mt_rand(1, 50) * 1000);//1~50ms;}} while((!$locked) && ((microtime(true) - $startTime) < $timeout ) );//设置超时时间if($locked){$tempFile = $file.'.temp';$result = file_put_contents($tempFile,$buffer,LOCK_EX);//验证是否还能写入；避免磁盘空间满的情况if(!$result || !file_exists($tempFile) ){flock($fp,LOCK_UN);fclose($fp);return false;}@unlink($tempFile);ftruncate($fp,0);rewind($fp);$result = fwrite($fp,$buffer);flock($fp,LOCK_UN);fclose($fp);clearstatcache();return $result;}else{flock($fp,LOCK_UN);fclose($fp);return false;}
}/** $search 为包含的字符串* is_content 表示是否搜索文件内容;默认不搜索* is_case  表示区分大小写,默认不区分*/
function path_search($path,$search,$is_content=false,$file_ext='',$is_case=false){$result = array();$result['fileList'] = array();$result['folderList'] = array();if(!$path) return $result;$ext_arr = explode("|",$file_ext);recursion_dir($path,$dirs,$files,-1,0);$strpos = 'stripos';//是否区分大小写if ($is_case) $strpos = 'strpos';$result_num = 0;$result_num_max = 2000;//搜索文件内容，限制最多匹配条数foreach($files as $f){if($result_num >= $result_num_max){$result['error_info'] = $result_num_max;break;}//若指定了扩展名则只在匹配扩展名文件中搜索$ext = get_path_ext($f);if($file_ext != '' && !in_array($ext,$ext_arr)){continue;}//搜索内容则不搜索文件名if ($is_content) {if(!is_text_file($ext)) continue; //在限定中或者不在bin中$search_info = file_search($f,$search,$is_case);if($search_info !== false){$result_num += count($search_info['searchInfo']);$result['fileList'][] = $search_info;}}else{$path_this = get_path_this($f);if ($strpos($path_this,iconv_system($search)) !== false){//搜索文件名;$result['fileList'][] = file_info($f);$result_num ++;}}    }if (!$is_content && $file_ext == '' ) {//没有指定搜索文件内容，且没有限定扩展名，才搜索文件夹foreach($dirs as $f){$path_this = get_path_this($f);if ($strpos($path_this,iconv_system($search)) !== false){$result['folderList'][]= array('name'  => iconv_app(get_path_this($f)),'path'  => iconv_app($f));}}}return $result;
}// 文件搜索；返回行及关键词附近行
// 优化搜索算法 提高100被性能
function file_search($path,$search,$is_case){$strpos = 'stripos';//是否区分大小写if ($is_case) $strpos = 'strpos';//文本文件 超过40M不再搜索if(@filesize($path) >= 1024*1024*40){return false;}$content = file_get_contents($path);if( $strpos($content,"\0") > 0 ){// 不是文本文档unset($content);return false;}$charset = get_charset($content);//搜索关键字为纯英文则直接搜索；含有中文则转为utf8再搜索，为兼容其他文件编码格式$notAscii = preg_match("/[\x7f-\xff]/", $search);if($notAscii && !in_array($charset,array('utf-8','ascii'))){$content = iconv_to($content,$charset,'utf-8');}//文件没有搜索到目标直接返回if ($strpos($content,$search) === false){unset($content);return false;}$pose = 0; $file_size = strlen($content);$arr_search = array(); // 匹配结果所在位置while ( $pose !== false) {$pose = $strpos($content,$search, $pose);if($pose !== false){$arr_search[] = $pose;$pose ++;}else{break;}}$arr_line = array();$pose = 0;while ( $pose !== false) {$pose = strpos($content, "\n", $pose);if($pose !== false){$arr_line[] = $pose;$pose ++;}else{break;}}$arr_line[] = $file_size;//文件只有一行而且没有换行，则构造虚拟换行$result = array();//  [2,10,22,45,60]  [20,30,40,50,55]$len_search = count($arr_search);$len_line     = count($arr_line);for ($i=0,$line=0; $i < $len_search && $line < $len_line; $line++) {while ( $arr_search[$i] <= $arr_line[$line]) {//行截取字符串$cur_pose = $arr_search[$i];$from = $line == 0 ? 0:$arr_line[$line-1];$to = $arr_line[$line];$len_max = 300;if( $to - $from >= $len_max){ //长度过长处理$from = $cur_pose - 20;$from = $from <= 0 ? 0 : $from;$to   = $from + $len_max;//中文避免截断；（向前 向后找到分隔符后终止）$token = array("\r","\n"," ","\t",",","/","#","_","[","]","(",")","+","-","*","/","=","&");while (!in_array($content[$from],$token) && $from >= 0) {$from -- ;}while (!in_array($content[$to],$token) && $to <= $file_size) {$to ++ ;}}$line_str = substr($content,$from,$to - $from);if($strpos($line_str,$search) === false){ //截取乱码避免$line_str = $search;}$result[] = array('line'=>$line+1,'str'=>$line_str);if(++$i >= $len_search ){break;}}}$info = file_info($path);$info['searchInfo'] = $result;unset($content);return $info;
}/*** 修改文件、文件夹权限* @param  $path 文件(夹)目录* @return :string*/
function chmod_path($path,$mod){if (!isset($mod)) $mod = 0777;if (!file_exists($path)) return false;if (is_file($path)) return @chmod($path,$mod);if (!$dh = @opendir($path)) return false;while (($file = readdir($dh)) !== false){if ($file =='.' || $file =='..') continue;$fullpath = $path . '/' . $file;chmod_path($fullpath,$mod);@chmod($fullpath,$mod);}closedir($dh);return @chmod($path,$mod);
}/*** 文件大小格式化** @param  $ :$bytes, int 文件大小* @param  $ :$precision int  保留小数点* @return :string*/
function size_format($bytes, $precision = 2){if ($bytes == 0) return "0 B";$unit = array('TB' => 1099511627776,  // pow( 1024, 4)'GB' => 1073741824,      // pow( 1024, 3)'MB' => 1048576,      // pow( 1024, 2)'kB' => 1024,         // pow( 1024, 1)'B ' => 1,                // pow( 1024, 0));foreach ($unit as $un => $mag) {if (doubleval($bytes) >= $mag)return round($bytes / $mag, $precision).' '.$un;}
}/*** 判断路径是不是绝对路径* 返回true('/foo/bar','c:\windows').** @return 返回true则为绝对路径，否则为相对路径*/
function path_is_absolute($path){if (realpath($path) == $path)// *nux 的绝对路径 /home/myreturn true;if (strlen($path) == 0 || $path[0] == '.')return false;if (preg_match('#^[a-zA-Z]:\\\\#', $path))// windows 的绝对路径 c:\aaa\return true;return (bool)preg_match('#^[/\\\\]#', $path); //绝对路径 运行 / 和 \绝对路径，其他的则为相对路径
}function is_text_file($ext){$ext_arr = array("txt","textile",'oexe','inc','csv','log','asc','tsv','lnk','url','webloc','meta',"localized","xib","xsd","storyboard","plist","csproj","pch","pbxproj","local","xcscheme","manifest","vbproj","strings",'jshintrc','sublime-project','readme','changes',"changelog",'version','license','changelog',"abap","abc","as","asp",'aspx',"ada","adb","htaccess","htgroups","htgroups","htpasswd","asciidoc","adoc","asm","a","ahk","bat","cmd","cpp","c","cc","cxx","h","hh","hpp","ino","c9search_results","cirru","cr","clj","cljs","cbl","cob","coffee","cf","cson","cakefile","cfm","cs","css","curly","d","di","dart","diff","patch","dockerfile","dot","dummy","dummy","e","ge","ejs","ex","exs","elm","erl","hrl","frt","fs","ldr","ftl","gcode","feature",".gitignore","glsl","frag","vert","gbs","go","groovy","haml","hbs","handlebars","tpl","mustache","hs","hx","html","hta","htm","xhtml","eex","html.eex","erb","rhtml","html.erb","ini",'inf',"conf","cfg","prefs","io","jack","jade","java","ji","jl","jq","js","jsm","json","jsp","jsx","latex","ltx","bib","lean","hlean","less","liquid","lisp","ls","logic","lql","lsl","lua","lp","lucene","Makefile","makemakefile","gnumakefile","makefile","ocamlmakefile","make","md","markdown","mask","matlab","mz","mel","mc","mush","mysql","nix","nsi","nsh","m","mm","ml","mli","pas","p","pl","pm","pgsql","php","phtml","shtml","php3","php4","php5","phps","phpt","aw","ctp","module","ps1","praat","praatscript","psc","proc","plg","prolog","properties","proto","py","r","cshtml","rd","rhtml","rst","rb","ru","gemspec","rake","guardfile","rakefile","gemfile","rs","sass","scad","scala","scm","sm","rkt","oak","scheme","scss","sh","bash","bashrc","sjs","smarty","tpl","snippets","soy","space","sql","sqlserver","styl","stylus","svg","swift","tcl","tex","toml","twig","swig","ts","typescript","str","vala","vbs","vb","vm","v","vh","sv","svh","vhd","vhdl","wlk","wpgm","wtest","xml","rdf","rss","wsdl","xslt","atom","mathml","mml","xul","xbl","xaml","xq","yaml","yml","cer","reg","config");if(in_array($ext,$ext_arr)){return true;}else{return false;}
}/*** 输出、文件下载，断点续传支持* 默认以附件方式下载；$download为false时则为输出文件* 视频播放拖拽：流媒体服务器* 文件缓存：http://blog.csdn.net/eroswang/article/details/8302191*/
function file_put_out($file,$download=-1,$downFilename=false){$error = false;if (!file_exists($file)){$error = 'file not exists';}else if (!path_readable($file)){$error = 'file not readable';}else if (!$fp = @fopen($file, "rb")){$error = 'file open error!';} if($error !== false){if($downFilename === false){return;}else{show_json($error,false);}}$start= 0;$file_size = get_filesize($file);$end  = $file_size - 1;@ob_end_clean();@set_time_limit(0);$time = gmdate('D, d M Y H:i:s',filemtime($file));$filename = get_path_this($file);if($downFilename !== false){$filename = $downFilename;}$mime = get_file_mime(get_path_ext($filename));if ($download === -1 && !mime_support($mime)){$download = true;}$headerName = rawurlencode(iconv_app($filename));$headerName = '"'.$headerName."\"; filename*=utf-8''".$headerName;if ($download) {header('Content-Type: application/octet-stream');header('Content-Transfer-Encoding: binary');header('Content-Disposition: attachment;filename='.$headerName);}else{header('Content-Type: '.$mime);header('Content-Disposition: inline;filename='.$headerName);if(strstr($mime,'text/')){//$charset = get_charset(file_get_contents($file));header('Content-Type: '.$mime.'; charset=');//避免自动追加utf8导致gbk网页乱码}}//缓存文件header('Expires: '.gmdate('D, d M Y H:i:s',time()+3600*24*20).' GMT');header('Cache-Pragma: public');header('Pragma: public'); header('Cache-Control: cache, must-revalidate');if (isset($_SERVER['If-Modified-Since']) && (strtotime($_SERVER['If-Modified-Since']) == filemtime($file))) {header('304 Not Modified', true, 304);exit;}$etag = '"'.md5($time.$file_size).'"';if (isset($_SERVER['HTTP_IF_NONE_MATCH']) && $_SERVER['HTTP_IF_NONE_MATCH'] == $etag){header("Etag: ".$etag, true, 304);exit;}header('Etag: '.$etag);header('Last-Modified: '.$time.' GMT');header("X-OutFileName: ".$filenameOutput);header("X-Powered-By: kodExplorer.");header("X-FileSize: ".$file_size);//远程路径不支持断点续传；打开zip内部文件if(!file_exists($file)){header('HTTP/1.1 200 OK');header('Content-Length: '.($end+1));return;}//调用webserver下载$server = strtolower($_SERVER['SERVER_SOFTWARE']);if($server && $GLOBALS['config']['settings']['httpSendFile']){if(strstr($server,'nginx')){//nginxheader("X-Accel-Redirect: ".$file);}else if(strstr($server,'apache')){ //apacheheader('X-Sendfile: '.$file);}else if(strstr($server,'http')){//light httpheader( "X-LIGHTTPD-send-file: " . $file);}return;}header("Accept-Ranges: bytes");if (isset($_SERVER['HTTP_RANGE'])){if (preg_match('/bytes=\h*(\d+)-(\d*)[\D.*]?/i', $_SERVER['HTTP_RANGE'], $matches)){$start  = intval($matches[1]);if (!empty($matches[2])){$end = intval($matches[2]);}}header('HTTP/1.1 206 Partial Content');}else{header('HTTP/1.1 200 OK');}if(isset($_GET['start'])){//flash video$start = intval($_GET['start']);}header('Content-Length:' . (($end - $start) + 1));if (isset($_SERVER['HTTP_RANGE']) || isset($_GET['start'])){header("Content-Range: bytes $start-$end/".$file_size);}//输出文件$cur = $start;fseek($fp, $start,0);while(!feof($fp) && $cur <= $end){ // && (connection_status() == 0)print fread($fp, min(1024 * 200, ($end - $cur) + 1));$cur += 1024 *200;flush();}fclose($fp);
}/*** 远程文件下载到服务器* 支持fopen的打开都可以；支持本地、url*/
function file_download_this($from, $fileName,$headerSize=0){@set_time_limit(0);$fileTemp = $fileName.'.downloading';if ($fp = @fopen ($from, "rb")){if(!$downloadFp = @fopen($fileTemp, "wb")){return false;}while(!feof($fp)){if(!file_exists($fileTemp)){//删除目标文件；则终止下载fclose($downloadFp);return false;}//对于部分fp不结束的通过文件大小判断clearstatcache();if( $headerSize>0 &&$headerSize==get_filesize(iconv_system($fileTemp))){break;}fwrite($downloadFp, fread($fp, 1024 * 200 ), 1024 * 200);}//下载完成，重命名临时文件到目标文件fclose($downloadFp);fclose($fp);if(!@rename($fileTemp,$fileName)){unlink($fileName);return rename($fileTemp,$fileName);}return true;}else{return false;}
}/*** 获取文件(夹)权限 rwx_rwx_rwx*/
function get_mode($file){$Mode = @fileperms($file);$theMode = ' '.decoct($Mode);$theMode = substr($theMode,-4);$Owner = array();$Group=array();$World=array();if ($Mode &0x1000) $Type = 'p'; // FIFO pipeelseif ($Mode &0x2000) $Type = 'c'; // Character specialelseif ($Mode &0x4000) $Type = 'd'; // Directoryelseif ($Mode &0x6000) $Type = 'b'; // Block specialelseif ($Mode &0x8000) $Type = '-'; // Regularelseif ($Mode &0xA000) $Type = 'l'; // Symbolic Linkelseif ($Mode &0xC000) $Type = 's'; // Socketelse $Type = 'u'; // UNKNOWN// Determine les permissions par Groupe$Owner['r'] = ($Mode &00400) ? 'r' : '-';$Owner['w'] = ($Mode &00200) ? 'w' : '-';$Owner['x'] = ($Mode &00100) ? 'x' : '-';$Group['r'] = ($Mode &00040) ? 'r' : '-';$Group['w'] = ($Mode &00020) ? 'w' : '-';$Group['e'] = ($Mode &00010) ? 'x' : '-';$World['r'] = ($Mode &00004) ? 'r' : '-';$World['w'] = ($Mode &00002) ? 'w' : '-';$World['e'] = ($Mode &00001) ? 'x' : '-';// Adjuste pour SUID, SGID et sticky bitif ($Mode &0x800) $Owner['e'] = ($Owner['e'] == 'x') ? 's' : 'S';if ($Mode &0x400) $Group['e'] = ($Group['e'] == 'x') ? 's' : 'S';if ($Mode &0x200) $World['e'] = ($World['e'] == 'x') ? 't' : 'T';$Mode = $Type.$Owner['r'].$Owner['w'].$Owner['x'].' '.$Group['r'].$Group['w'].$Group['e'].' '.$World['r'].$World['w'].$World['e'];return $Mode.'('.$theMode.')';
}/*** 获取可以上传的最大值* return * byte*/
function get_post_max(){$upload = ini_get('upload_max_filesize');$upload = $upload==''?ini_get('upload_max_size'):$upload;$post = ini_get('post_max_size');$upload = intval($upload)*1024*1024*0.8;$post = intval($post)*1024*1024*0.8;$the_max = $upload<$post?$upload:$post;return $the_max==0?1024*1024*0.5:$the_max;//获取不到则500k
}function path_clear($path){$path = str_replace('\\','/',trim($path));$path = preg_replace('/\/+/', '/', $path);if (strstr($path,'../')) {$path = preg_replace('/\/\.+\//', '/', $path);}return $path;
}
function path_clear_name($path){$path = str_replace('\\','/',trim($path));$path = str_replace('/','.',trim($path));return $path;
}// 兼容move_uploaded_file 和 流的方式上传
function kod_move_uploaded_file($fromPath,$savePath){$tempPath = $savePath.'.parttmp';if($fromPath == "base64"){@file_put_contents($tempPath,base64_decode($_POST['file']));}else if($fromPath == "php://input"){$in  = @fopen($fromPath, "rb");$out = @fopen($tempPath, "wb");if(!$in || !$out) return false;while (!feof($in)) {fwrite($out, fread($in, 1024*200));}fclose($in);fclose($out);}else{if(!move_uploaded_file($fromPath,$tempPath)){show_json('move uploaded file error!',false);}}if(!$result = rename($tempPath,$savePath)){del_file($savePath);$result = rename($tempPath,$savePath);}chmod_path($savePath,DEFAULT_PERRMISSIONS);return $result;
}
function check_upload($error){$status = array('UPLOAD_ERR_OK',        //0 没有错误发生，文件上传成功。'UPLOAD_ERR_INI_SIZE',  //1 上传的文件超过了php.ini 中 upload_max_filesize 选项限制的值。'UPLOAD_ERR_FORM_SIZE', //2 上传文件的大小超过了 HTML 表单中 MAX_FILE_SIZE 选项指定的值。'UPLOAD_ERR_PARTIAL',   //3 文件只有部分被上传。'UPLOAD_ERR_NO_FILE',   //4 没有文件被上传。'UPLOAD_UNKNOW',        //5 未定义'UPLOAD_ERR_NO_TMP_DIR',//6 找不到临时文件夹。php 4.3.10 和 php 5.0.3 引进。'UPLOAD_ERR_CANT_WRITE',//7 文件写入失败。php 5.1.0 引进。);return $error.':'.$status[$error];
}//拍照上传
function updload_ios_check($fileName,$in){if(!is_wap()) return $fileName;$time = strtotime($in['lastModifiedDate']);$time = $time ? $time : time();$beforeName = strtolower($fileName);if($beforeName == "image.jpg" || $beforeName == "image.jpeg"){$fileName =  date('Ymd',$time).'_'.$in['size'].'.jpg';}else if($beforeName == "capturedvideo.mov"){$fileName =  date('Ymd',$time).'_'.$in['size'].'.mov';}return $fileName;
}/*** 文件上传处理。大文件支持分片上传* upload('file','D:/www/');** post上传：base64Upload=1;file=base64str;name=filename*/
function upload($path,$tempPath,$repeatAction='replace'){ignore_timeout();global $in;$fileInput = 'file';$fileName = "";if (!empty($_FILES)) {$fileName = iconv_system(path_clear_name($_FILES[$fileInput]["name"]));$uploadFile = $_FILES[$fileInput]["tmp_name"];if(!$uploadFile && $_FILES[$fileInput]['error']>0){show_json(check_upload($_FILES[$fileInput]['error']),false);}$fileName = updload_ios_check($fileName,$in);//拍照上传}else if (isset($in["name"])) {$fileName = iconv_system(path_clear_name($in["name"]));$uploadFile = "php://input";if(isset($in['base64Upload'])){$uploadFile = "base64"; }$fileName = updload_ios_check($fileName,$in);//拍照上传}else if( isset($in["check_md5"]) ) {//断点续传检测$fileName = iconv_system(path_clear_name($in["name"]));$savePath = get_filename_auto($path.$fileName,""); //自动重命名return upload_chunk("--check_md5--",$tempPath,$savePath);}else{show_json('param error',false);}//正常上传$savePath = get_filename_auto($path.$fileName,"",$repeatAction); //自动重命名Hook::trigger('uploadFileBefore',$savePath);if($savePath === false){show_json('upload_exist_skip',false);}$chunks = isset($in["chunks"]) ? intval($in["chunks"]) : 1;if ($chunks > 1) {//并发上传，不一定有前后顺序return upload_chunk($uploadFile,$tempPath,$savePath);}if(kod_move_uploaded_file($uploadFile,$savePath)){Hook::trigger('uploadFileAfter',$savePath);show_json('upload_success',true,iconv_app(_DIR_OUT($savePath)));}else {show_json('move_error',false);}
}/*** 简易文件hash获取;替代md5_file;* md5(文件头6字节+中间6字节+结尾6字节)*/
function file_hash_simple($file){$fileSize    = filesize($file);$sliceLength = 6;if($fileSize <= $sliceLength){$sliceString = file_get_contents($file);}else{$fp = fopen($file,'r');$sliceString = fread($fp,$sliceLength);fseek($fp,($fileSize-$sliceLength)/2);$sliceString .= fread($fp,$sliceLength);fseek($fp,$fileSize-$sliceLength);$sliceString .= fread($fp,$sliceLength);fclose($fp);}$hash = $fileSize;for ($i=0; $i < strlen($sliceString); $i++) { $hash = $hash.",".ord($sliceString[$i]);}return md5($hash);
}function upload_chunk($uploadFile,$tempPath,$savePath){global $in;$chunk = isset($in["chunk"]) ? intval($in["chunk"]) : 0;$chunks = isset($in["chunks"]) ? intval($in["chunks"]) : 1;$check_md5 = isset($in["check_md5"]) ? $in["check_md5"] : false;//if(mt_rand(0, 100) > 10) die("server error".$chunk); //模拟失败//文件分块检测是否已上传，已上传则忽略；断点续传if($check_md5 !== false){$chunk_file_pre = $tempPath.md5($savePath).'.part';$chunk_file = $chunk_file_pre.$chunk;if( file_exists($chunk_file) && file_hash_simple($chunk_file) == $check_md5){$arr = array();for($index = 0; $index<$chunks; $index++ ){if(file_exists($chunk_file_pre.$index)){$arr['part_'.$index] = file_hash_simple($chunk_file_pre.$index);}}show_json('success',true,$arr);}else{show_json('not_exists',false);}}$tempFilePre = $tempPath.md5($savePath).'.part';if(kod_move_uploaded_file($uploadFile, $tempFilePre.$chunk)){$done = true;//优化分片存在判断；当分片太多时,每个分片都全量判断,会占用服务器资源及影响上传速度;$fromIndex    = 0;$existMaxFile = $tempFilePre.'.max';//记录连续存在文件的最大序号if(file_exists($existMaxFile)){$fromIndex = intval(file_get_contents($fromIndex));}else{file_put_contents($existMaxFile,$fromIndex);}for($index = $fromIndex; $index<$chunks; $index++ ){if (!file_exists($tempFilePre.$index)) {if($index-1 > $fromIndex){file_put_contents($existMaxFile,$index-1);}$done = false;break;}}if (!$done){show_json('upload_success',true);}else{$savePathTemp = $tempFilePre.mtime();if(!$out = fopen($savePathTemp, "wb")){show_json('no_permission_write',false);}if (!flock($out, LOCK_EX)) {show_json('lock dist move error',false);}else{for( $index = 0; $index < $chunks; $index++ ) {$chunk_file = $tempFilePre.$index;if (!$fp_in = @fopen($chunk_file,"rb")){//并发情况下另一个访问时文件已删除flock($out, LOCK_UN);fclose($out);unlink($savePathTemp);show_json('open chunk error! cur='.$chunk.';index='.$index,false);}while (!feof($fp_in)) {fwrite($out, fread($fp_in,1024*200));}fclose($fp_in);unlink($chunk_file);}flock($out, LOCK_UN);fclose($out);}}unlink($existMaxFile);$res = rename($savePathTemp,$savePath);if(!$res){unlink($savePath);$res = rename($savePathTemp,$savePath);if(!$res){show_json('move(rename) dist file error!',false);}}Hook::trigger('uploadFileAfter',$savePath);show_json('upload_success',true,iconv_app(_DIR_OUT($savePath)));}else {show_json('move_error',false);}
}/*** 写日志* @param string $log   日志信息* @param string $type  日志类型 [system|app|...]* @param string $level 日志级别* @return boolean*/
function write_log($log, $type = 'default', $level = 'log'){if(!defined('LOG_PATH')){return;}list($usec, $sec) = explode(' ', microtime());$now_time = date('[H:i:s.').substr($usec,2,3).'] ';$target   = LOG_PATH . strtolower($type) . '/';mk_dir($target);if (!path_writeable($target)){exit('path can not write!');}$ext = '.php';//.php .log;$target .= date('Y_m_d').'__'.$level.$ext;//检测日志文件大小, 超过配置大小则重命名if (file_exists($target) && get_filesize($target) >= 1024*1024*10) {$fileName = substr(basename($target),0,strrpos(basename($target),$ext)).date('H:i:s').$ext;rename($target, dirname($target) .'/'. $fileName);}if(!file_exists($target)){error_log("<?php exit;?>\n", 3,$target);}if(is_object($log) || is_array($log)){$log = json_encode_force($log);}clearstatcache();return error_log("$now_time $log\n", 3, $target);
}
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