工作中常用 的自定义函数

<?phpdefine('CORE_FUNCTION', TRUE);/** * 序列化 * @param mixed $string 原始信息 * @param intval $force * @return mixed */function daddslashes($string, $force = 1) {     if(is_array($string)) {          $keys = array_keys($string);          foreach($keys as $key) {                $val = $string[$key];                unset($string[$key]);                $string[addslashes($key)] = daddslashes($val, $force);          }     } else {          $string = addslashes($string);     }     return $string;}function dstripslashes($string) {    if(empty($string)) return $string;    if(is_array($string)) {        foreach($string as $key => $val) {            $string[$key] = dstripslashes($val);        }    } else {        $string = stripslashes($string);    }    return $string;}function dhtmlspecialchars($string, $flags = null) {    if(is_array($string)) {        foreach($string as $key => $val) {            $string[$key] = dhtmlspecialchars($val, $flags);        }    } else {        if($flags === null) {            $string = str_replace(array('&', '"', '<', '>'), array('&amp;', '&quot;', '&lt;', '&gt;'), $string);            if(strpos($string, '&amp;#') !== false) {                $string = preg_replace('/&amp;((#(\d{3,5}|x[a-fA-F0-9]{4}));)/', '&\\1', $string);            }        } else {            if(PHP_VERSION < '5.4.0') {                $string = htmlspecialchars($string, $flags);            } else {                if(strtolower(CHARSET) == 'utf-8') {                    $charset = 'UTF-8';                } else {                    $charset = 'ISO-8859-1';                }                $string = htmlspecialchars($string, $flags, $charset);            }        }    }    return $string;}/** * 批量导入文件 成功则返回 * @param array $array 文件数组 * @param boolean $return 加载成功后是否返回 * @return boolean */function require_array($array,$return=false){    foreach ($array as $file){        if (require_cache($file) && $return) return true;    }    if($return) return false;}/** * 优化的require_once * @param string $filename 文件地址 * @return boolean */function require_cache($filename) {    static $_importFiles = array();    if (!isset($_importFiles[$filename])) {        if (file_exists_case($filename)) {            require $filename;            $_importFiles[$filename] = true;        } else {            $_importFiles[$filename] = false;        }    }    return $_importFiles[$filename];}/** * 区分大小写的文件存在判断 * @param string $filename 文件地址 * @return boolean */function file_exists_case($filename) {    if (is_file($filename)) {        if (IS_WIN && APP_DEBUG) {            if (basename(realpath($filename)) != basename($filename))                return false;        }        return true;    }    return false;}function array_key_case($array) {    if(!is_array($array)) return $array;    foreach( $array as $key => $value )    {        if(is_array($value)) {            $array[$key] = array_key_case($value);        } else {            $array = array_change_key_case($array);        }    }    return $array;}if(!function_exists('array_column')){    function array_column(array $input, $columnKey, $indexKey = null) {        $result = array();        if (null === $indexKey) {            if (null === $columnKey) {                $result = array_values($input);            } else {                foreach ($input as $row) {                    $result[] = $row[$columnKey];                }            }        } else {            if (null === $columnKey) {                foreach ($input as $row) {                    $result[$row[$indexKey]] = $row;                }            } else {                foreach ($input as $row) {                    $result[$row[$indexKey]] = $row[$columnKey];                }            }        }        return $result;    }}/** * 获取和设置配置参数 * @param string $name 配置变量 * @param string $file 配置值 * @param string $default 默认值 * @return mixed */function config($name=null, $file=null, $default = null) {    $load = Load::getInstance();    return $load->config($name,$file,$default);}/** * 获取和设置语言定义(不区分大小写) * @param string $name 语言标识 * @param mixed  $value 指定文件名 * @return mixed */function lang($name=null, $file = 'language') {    static $_lang = array();    $default_lang = config('DEFAULT_LANG');    $path = LANG_PATH.config('DEFAULT_LANG').'/';    //引入语言包    if (is_array($name) && !empty($name))        $_lang = array_merge($_lang, array_change_key_case($name, CASE_LOWER));    //引入模块级、插件级语言包    if(is_string($name)) {        if(strpos($name,'/') !== false){            list($module, $indicate) = explode('/', $name);            $path = APP_PATH.config('DEFAULT_H_LAYER').'/'.$module.'/language/'.$default_lang.'/';        }elseif (strpos($name,'#') !== false) {            list($pluginid, $indicate) = explode('#', $name);            $path = APP_PATH.'plugin/'.$pluginid.'/language/'.$default_lang.'/';        }else{            return $_lang[$name] ? $_lang[$name] : $name;        }        $fullname = $path.$file.EXT;        if(!isset($_lang[md5($fullname)])) {            $_lang[md5($fullname)] = array();            if(is_file($path.$file.'.php') && file_exists($path.$file.'.php')) $array = include $path.$file.'.php';            $_lang[md5($fullname)] = array_merge($_lang[md5($fullname)], array_change_key_case($array, CASE_LOWER));        }        return $_lang[md5($fullname)][$indicate] ? $_lang[md5($fullname)][$indicate] : $name;    }    return null;}/* 模型实例化 */function model($name, $layer = 'table') {    $load = Load::getInstance();    return $load->$layer($name);}/** * Cookie 设置、获取、删除 * @param string $name cookie名称 * @param mixed $value cookie值 * @param mixed $options cookie参数 * @return mixed */function cookie($name, $value='', $option=null) {    // 默认设置    $config = array(        'prefix'    => config('cookie_prefix'), // cookie 名称前缀        'expire'    => config('cookie_expire'), // cookie 保存时间        'path'      => config('cookie_path'), // cookie 保存路径        'domain'    => config('cookie_domain'), // cookie 有效域名    );    // 参数设置(会覆盖黙认设置)    if (!is_null($option)) {        if (is_numeric($option))            $option = array('expire' => $option);        elseif (is_string($option))            parse_str($option, $option);        $config     = array_merge($config, array_change_key_case($option));    }    // 清除指定前缀的所有cookie    if (is_null($name)) {        if (empty($_COOKIE))            return;        // 要删除的cookie前缀，不指定则删除config设置的指定前缀        $prefix = empty($value) ? $config['prefix'] : $value;        if (!empty($prefix)) {// 如果前缀为空字符串将不作处理直接返回            foreach ($_COOKIE as $key => $val) {                if (0 === stripos($key, $prefix)) {                    setcookie($key, '', time() - 3600, $config['path'], $config['domain']);                    unset($_COOKIE[$key]);                }            }        }        return;    }    $name = $config['prefix'] . $name;    if ('' === $value) {        if(isset($_COOKIE[$name])){            $value =    $_COOKIE[$name];            if(0===strpos($value,'cookie:')){                $value  =   substr($value,6);                return array_map('urldecode',json_decode(MAGIC_QUOTES_GPC?stripslashes($value):$value,true));            }else{                return $value;            }        }else{            return null;        }    } else {        if (is_null($value)) {            setcookie($name, '', time() - 3600, $config['path'], $config['domain']);            unset($_COOKIE[$name]); // 删除指定cookie        } else {            // 设置cookie            if(is_array($value)){                $value  = 'cookie:'.json_encode(array_map('urlencode',$value));            }            $expire = !empty($config['expire']) ? time() + intval($config['expire']) : 0;            setcookie($name, $value, $expire, $config['path'], $config['domain']);            $_COOKIE[$name] = $value;        }    }}/** * session管理函数 * @param string|array $name session名称 如果为数组则表示进行session设置 * @param mixed $value session值 * @return mixed */function session($name,$value='') {    $prefix   = config('SESSION_PREFIX');    if(is_array($name)) { // session初始化 在session_start 之前调用        if(isset($name['prefix'])) config('SESSION_PREFIX',$name['prefix']);        if(config('VAR_SESSION_ID') && isset($_REQUEST[config('VAR_SESSION_ID')])){            session_id($_REQUEST[config('VAR_SESSION_ID')]);        }elseif(isset($name['id'])) {            session_id($name['id']);        }        ini_set('session.auto_start', 0);        if(isset($name['name']))            session_name($name['name']);        if(isset($name['path']))            session_save_path($name['path']);        if(isset($name['domain']))          ini_set('session.cookie_domain', $name['domain']);        if(isset($name['expire']))          ini_set('session.gc_maxlifetime', $name['expire']);        if(isset($name['use_trans_sid']))   ini_set('session.use_trans_sid', $name['use_trans_sid']?1:0);        if(isset($name['use_cookies']))     ini_set('session.use_cookies', $name['use_cookies']?1:0);        if(isset($name['cache_limiter']))   session_cache_limiter($name['cache_limiter']);        if(isset($name['cache_expire']))    session_cache_expire($name['cache_expire']);        // 启动session        if(config('SESSION_AUTO_START'))  session_start();    }elseif('' === $value){        if(0===strpos($name,'[')) { // session 操作            if('[pause]'==$name){ // 暂停session                session_write_close();            }elseif('[start]'==$name){ // 启动session                session_start();            }elseif('[destroy]'==$name){ // 销毁session                $_SESSION =  array();                session_unset();                session_destroy();            }elseif('[regenerate]'==$name){ // 重新生成id                session_regenerate_id();            }        }elseif(0===strpos($name,'?')){ // 检查session            $name   =  substr($name,1);            if(strpos($name,'.')){ // 支持数组                list($name1,$name2) =   explode('.',$name);                return $prefix?isset($_SESSION[$prefix][$name1][$name2]):isset($_SESSION[$name1][$name2]);            }else{                return $prefix?isset($_SESSION[$prefix][$name]):isset($_SESSION[$name]);            }        }elseif(is_null($name)){ // 清空session            if($prefix) {                unset($_SESSION[$prefix]);            }else{                $_SESSION = array();            }        }elseif($prefix){ // 获取session            if(strpos($name,'.')){                list($name1,$name2) =   explode('.',$name);                return isset($_SESSION[$prefix][$name1][$name2])?$_SESSION[$prefix][$name1][$name2]:null;            }else{                return isset($_SESSION[$prefix][$name])?$_SESSION[$prefix][$name]:null;            }        }else{            if(strpos($name,'.')){                list($name1,$name2) =   explode('.',$name);                return isset($_SESSION[$name1][$name2])?$_SESSION[$name1][$name2]:null;            }else{                return isset($_SESSION[$name])?$_SESSION[$name]:null;            }        }    }elseif(is_null($value)){ // 删除session        if($prefix){            unset($_SESSION[$prefix][$name]);        }else{            unset($_SESSION[$name]);        }    }else{ // 设置session        if($prefix){            if (!is_array($_SESSION[$prefix])) {                $_SESSION[$prefix] = array();            }            $_SESSION[$prefix][$name]   =  $value;        }else{            $_SESSION[$name]  =  $value;        }    }}/** * 缓存管理 * @param mixed $name 缓存名称，如果为数组表示进行缓存设置 * @param mixed $value 缓存值 * @param mixed $options 缓存参数 * @return mixed */function cache($name, $value='',$folder = 'common',$options=null) {    $load = Load::getInstance();    return $load->cache($name, $value,$folder,$options);}/** * 发送HTTP状态 * @param integer $code 状态码 * @return void */function send_http_status($code) {    static $_status = array(        // Informational 1xx        100 => 'Continue',        101 => 'Switching Protocols',        // Success 2xx        200 => 'OK',        201 => 'Created',        202 => 'Accepted',        203 => 'Non-Authoritative Information',        204 => 'No Content',        205 => 'Reset Content',        206 => 'Partial Content',        // Redirection 3xx        300 => 'Multiple Choices',        301 => 'Moved Permanently',        302 => 'Moved Temporarily ', // 1.1        303 => 'See Other',        304 => 'Not Modified',        305 => 'Use Proxy',        // 306 is deprecated but reserved        307 => 'Temporary Redirect',        // Client Error 4xx        400 => 'Bad Request',        401 => 'Unauthorized',        402 => 'Payment Required',        403 => 'Forbidden',        404 => 'Not Found',        405 => 'Method Not Allowed',        406 => 'Not Acceptable',        407 => 'Proxy Authentication Required',        408 => 'Request Timeout',        409 => 'Conflict',        410 => 'Gone',        411 => 'Length Required',        412 => 'Precondition Failed',        413 => 'Request Entity Too Large',        414 => 'Request-URI Too Long',        415 => 'Unsupported Media Type',        416 => 'Requested Range Not Satisfiable',        417 => 'Expectation Failed',        // Server Error 5xx        500 => 'Internal Server Error',        501 => 'Not Implemented',        502 => 'Bad Gateway',        503 => 'Service Unavailable',        504 => 'Gateway Timeout',        505 => 'HTTP Version Not Supported',        509 => 'Bandwidth Limit Exceeded'    );    if(isset($_status[$code])) {        header('HTTP/1.1 '.$code.' '.$_status[$code]);        // 确保FastCGI模式下正常        header('Status:'.$code.' '.$_status[$code]);    }}/** * 获取客户端IP地址 * @param integer $type 返回类型 0 返回IP地址 1 返回IPV4地址数字 * @return mixed */function get_client_ip($type = 0) {    $type       =  $type ? 1 : 0;    static $ip  =   NULL;    if ($ip !== NULL) return $ip[$type];    if (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) {        $arr    =   explode(',', $_SERVER['HTTP_X_FORWARDED_FOR']);        $pos    =   array_search('unknown',$arr);        if(false !== $pos) unset($arr[$pos]);        $ip     =   trim($arr[0]);    }elseif (isset($_SERVER['HTTP_CLIENT_IP'])) {        $ip     =   $_SERVER['HTTP_CLIENT_IP'];    }elseif (isset($_SERVER['REMOTE_ADDR'])) {        $ip     =   $_SERVER['REMOTE_ADDR'];    }    // IP地址合法验证    $long = sprintf("%u",ip2long($ip));    $ip   = $long ? array($ip, $long) : array('0.0.0.0', 0);    return $ip[$type];}// 不区分大小写的in_array实现function in_array_case($value,$array){    return in_array(strtolower($value),array_map('strtolower',$array));}/** * 取得对象实例 支持调用类的静态方法 * @param string $name 类名 * @param string $method 方法名，如果为空则返回实例化对象 * @param array $args 调用参数 * @return object */function get_instance_of($name, $method='', $args=array()) {    static $_instance = array();    $identify = empty($args) ? $name . $method : $name . $method . to_guid_string($args);    if (!isset($_instance[$identify])) {        if (class_exists($name)) {            $o = new $name();            if (method_exists($o, $method)) {                if (!empty($args)) {                    $_instance[$identify] = call_user_func_array(array(&$o, $method), $args);                } else {                    $_instance[$identify] = $o->$method();                }            }            else                $_instance[$identify] = $o;        }        else            halt(lang('_class_not_exist_') . ':' . $name);    }    return $_instance[$identify];}/** * 根据PHP各种类型变量生成唯一标识号 * @param mixed $mix 变量 * @return string */function to_guid_string($mix) {    if (is_object($mix) && function_exists('spl_object_hash')) {        return spl_object_hash($mix);    } elseif (is_resource($mix)) {        $mix = get_resource_type($mix) . strval($mix);    } else {        $mix = serialize($mix);    }    return md5($mix);}/** * 页面地址跳转 * @param type $url 目标地址 * @param type $name 倒计时 * @return type */function redirect($url, $time = 0) {    if (!headers_sent()) {        if (0 === $time) {            header('Location: ' . $url);        } else {            header("refresh:{$time};url={$url}");        }        exit();    } else {        $str    = "<meta http-equiv='Refresh' content='{$time};URL={$url}'>";        exit($str);    }}/** * 通用提示页 * @param  string  $msg    提示消息（支持语言包变量） * @param  integer $status 状态（0：失败；1：成功） * @param  string  $extra  附加数据 * @param  string  $format 返回类型 * @return mixed */function showmessage($msg, $url = '', $status = 0, $extra = '', $format = '') {    if(empty($format)) {        $format = IS_AJAX ? 'json' : 'html';    }    $message = lang($msg);    switch ($format) {        case 'html':            if(!defined('IN_ADMIN')) {                if(empty($url) || $url == '-1'){                    include TPL_PATH.'wap/common/showmessage.html';                } else {                    redirect($url);                }            } else {                include TPL_PATH.'showmessage.tpl';            }            break;        case 'json':            $result = array(                'status'  => $status,                'referer' => $url,                'message' => $message,                'result'  => $extra            );            echo json_encode($result);            exit;            break;        default:            # code...            break;    }    exit;}function checksubmit($name) {    if(IS_POST) {        return TRUE;    } else {        return FALSE;    }}/** * xss过滤函数 * * @param $string * @return string */function remove_xss($string) {    $string = preg_replace('/[\x00-\x08\x0B\x0C\x0E-\x1F\x7F]+/S', '', $string);    $parm1 = Array('javascript', 'vbscript', 'expression', 'applet', 'meta', 'xml', 'blink', 'link', 'script', 'embed', 'object', 'iframe', 'frame', 'frameset', 'ilayer', 'layer', 'bgsound', 'title', 'base');    $parm2 = Array('onabort', 'onactivate', 'onafterprint', 'onafterupdate', 'onbeforeactivate', 'onbeforecopy', 'onbeforecut', 'onbeforedeactivate', 'onbeforeeditfocus', 'onbeforepaste', 'onbeforeprint', 'onbeforeunload', 'onbeforeupdate', 'onblur', 'onbounce', 'oncellchange', 'onchange', 'onclick', 'oncontextmenu', 'oncontrolselect', 'oncopy', 'oncut', 'ondataavailable', 'ondatasetchanged', 'ondatasetcomplete', 'ondblclick', 'ondeactivate', 'ondrag', 'ondragend', 'ondragenter', 'ondragleave', 'ondragover', 'ondragstart', 'ondrop', 'onerror', 'onerrorupdate', 'onfilterchange', 'onfinish', 'onfocus', 'onfocusin', 'onfocusout', 'onhelp', 'onkeydown', 'onkeypress', 'onkeyup', 'onlayoutcomplete', 'onload', 'onlosecapture', 'onmousedown', 'onmouseenter', 'onmouseleave', 'onmousemove', 'onmouseout', 'onmouseover', 'onmouseup', 'onmousewheel', 'onmove', 'onmoveend', 'onmovestart', 'onpaste', 'onpropertychange', 'onreadystatechange', 'onreset', 'onresize', 'onresizeend', 'onresizestart', 'onrowenter', 'onrowexit', 'onrowsdelete', 'onrowsinserted', 'onscroll', 'onselect', 'onselectionchange', 'onselectstart', 'onstart', 'onstop', 'onsubmit', 'onunload');    $parm = array_merge($parm1, $parm2);    for ($i = 0; $i < sizeof($parm); $i++) {        $pattern = '/';        for ($j = 0; $j < strlen($parm[$i]); $j++) {            if ($j > 0) {                $pattern .= '(';                $pattern .= '(&#[x|X]0([9][a][b]);?)?';                $pattern .= '|(&#0([9][10][13]);?)?';                $pattern .= ')?';            }            $pattern .= $parm[$i][$j];        }        $pattern .= '/i';        $string = preg_replace($pattern, '', $string);    }    return $string;}function template($tplfile, $module = '') {    $template = new template();    return $template->template($tplfile, $module)->display();}/** * 模块是否存在 * @param string 模块名 * @return boolean */function module_exists($name) {    if(empty($name)) return false;    $modules = cache('module', '', 'common');    return isset($modules[$name]);}/** * 加载函数文件 * 支持如下两种方式： *     helper('until'); *     helper('admin/until'); * 加载顺序：当前模块->指定模块->全局助手 * @param  string $helper 文件名 * @return boolean */function helper($helper) {    $load = Load::getInstance();    return $load->helper($helper);}/** * 字符串加解密 * @param  string  $string  原始字符串 * @param  string  $operation 加解密类型 * @param  string  $key         密钥 * @param  integer $expiry  有效期 * @return string */function authcode($string, $operation = 'DECODE', $key = '', $expiry = 0) {    $ckey_length = 4;    $key = md5($key != '' ? $key : config('authkey'));    $keya = md5(substr($key, 0, 16));    $keyb = md5(substr($key, 16, 16));    $keyc = $ckey_length ? ($operation == 'DECODE' ? substr($string, 0, $ckey_length): substr(md5(microtime()), -$ckey_length)) : '';    $cryptkey = $keya.md5($keya.$keyc);    $key_length = strlen($cryptkey);    $string = $operation == 'DECODE' ? base64_decode(substr($string, $ckey_length)) : sprintf('%010d', $expiry ? $expiry + time() : 0).substr(md5($string.$keyb), 0, 16).$string;    $string_length = strlen($string);    $result = '';    $box = range(0, 255);    $rndkey = array();    for($i = 0; $i <= 255; $i++) {        $rndkey[$i] = ord($cryptkey[$i % $key_length]);    }    for($j = $i = 0; $i < 256; $i++) {        $j = ($j + $box[$i] + $rndkey[$i]) % 256;        $tmp = $box[$i];        $box[$i] = $box[$j];        $box[$j] = $tmp;    }    for($a = $j = $i = 0; $i < $string_length; $i++) {        $a = ($a + 1) % 256;        $j = ($j + $box[$a]) % 256;        $tmp = $box[$a];        $box[$a] = $box[$j];        $box[$j] = $tmp;        $result .= chr(ord($string[$i]) ^ ($box[($box[$a] + $box[$j]) % 256]));    }    if($operation == 'DECODE') {        if((substr($result, 0, 10) == 0 || substr($result, 0, 10) - time() > 0) && substr($result, 10, 16) == substr(md5(substr($result, 26).$keyb), 0, 16)) {            return substr($result, 26);        } else {            return '';        }    } else {        return $keyc.str_replace('=', '', base64_encode($result));    }}/** * 远程请求数据 * @return string */function dfsockopen($url, $limit = 0, $post = '', $cookie = '', $bysocket = FALSE, $ip = '', $timeout = 15, $block = TRUE, $encodetype  = 'URLENCODE', $allowcurl = TRUE, $position = 0) {    $return = '';    $matches = parse_url($url);    $scheme = $matches['scheme'];    $host = $matches['host'];    $path = $matches['path'] ? $matches['path'].($matches['query'] ? '?'.$matches['query'] : '') : '/';    $port = !empty($matches['port']) ? $matches['port'] : 80;    if(function_exists('curl_init') && function_exists('curl_exec') && $allowcurl) {        $ch = curl_init();        $ip && curl_setopt($ch, CURLOPT_HTTPHEADER, array("Host: ".$host));        curl_setopt($ch, CURLOPT_URL, $scheme.'://'.($ip ? $ip : $host).':'.$port.$path);        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);        if($post) {            curl_setopt($ch, CURLOPT_POST, 1);            if($encodetype == 'URLENCODE') {                curl_setopt($ch, CURLOPT_POSTFIELDS, $post);            } else {                parse_str($post, $postarray);                curl_setopt($ch, CURLOPT_POSTFIELDS, $postarray);            }        }        if($cookie) {            curl_setopt($ch, CURLOPT_COOKIE, $cookie);        }        curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout);        curl_setopt($ch, CURLOPT_TIMEOUT, $timeout);        $data = curl_exec($ch);        $status = curl_getinfo($ch);        $errno = curl_errno($ch);        curl_close($ch);        if($errno || $status['http_code'] != 200) {            return;        } else {            return !$limit ? $data : substr($data, 0, $limit);        }    }    if($post) {        $out = "POST $path HTTP/1.0\r\n";        $header = "Accept: */*\r\n";        $header .= "Accept-Language: zh-cn\r\n";        $boundary = $encodetype == 'URLENCODE' ? '' : '; boundary='.trim(substr(trim($post), 2, strpos(trim($post), "\n") - 2));        $header .= $encodetype == 'URLENCODE' ? "Content-Type: application/x-www-form-urlencoded\r\n" : "Content-Type: multipart/form-data$boundary\r\n";        $header .= "User-Agent: $_SERVER[HTTP_USER_AGENT]\r\n";        $header .= "Host: $host:$port\r\n";        $header .= 'Content-Length: '.strlen($post)."\r\n";        $header .= "Connection: Close\r\n";        $header .= "Cache-Control: no-cache\r\n";        $header .= "Cookie: $cookie\r\n\r\n";        $out .= $header.$post;    } else {        $out = "GET $path HTTP/1.0\r\n";        $header = "Accept: */*\r\n";        $header .= "Accept-Language: zh-cn\r\n";        $header .= "User-Agent: $_SERVER[HTTP_USER_AGENT]\r\n";        $header .= "Host: $host:$port\r\n";        $header .= "Connection: Close\r\n";        $header .= "Cookie: $cookie\r\n\r\n";        $out .= $header;    }    $fpflag = 0;    if(!$fp = @fsocketopen(($ip ? $ip : $host), $port, $errno, $errstr, $timeout)) {        $context = array(            'http' => array(                'method' => $post ? 'POST' : 'GET',                'header' => $header,                'content' => $post,                'timeout' => $timeout,            ),        );        $context = stream_context_create($context);        $fp = @fopen($scheme.'://'.($ip ? $ip : $host).':'.$port.$path, 'b', false, $context);        $fpflag = 1;    }    if(!$fp) {        return '';    } else {        stream_set_blocking($fp, $block);        stream_set_timeout($fp, $timeout);        @fwrite($fp, $out);        $status = stream_get_meta_data($fp);        if(!$status['timed_out']) {            while (!feof($fp) && !$fpflag) {                if(($header = @fgets($fp)) && ($header == "\r\n" ||  $header == "\n")) {                    break;                }            }            if($position) {                for($i=0; $i<$position; $i++) {                    $char = fgetc($fp);                    if($char == "\n" && $oldchar != "\r") {                        $i++;                    }                    $oldchar = $char;                }            }            if($limit) {                $return = stream_get_contents($fp, $limit);            } else {                $return = stream_get_contents($fp);            }        }        @fclose($fp);        return $return;    }}/** * URL生成 * @param string $name 路由地址（[模块名]/[控制器名]/方法名） * @param mixed $param 附加参数 * @param mixed  $domain 指定域名，TRUE 代表当前系统地址 * @return string */function url($name, $param = '', $domain = FALSE) {    $vars = explode("/", $name);    $params[config('VAR_METHOD')] = (is_array($vars) && !empty($vars)) ? array_pop($vars) : METHOD_NAME;    $params[config('VAR_CONTROL')] = (is_array($vars) && !empty($vars)) ? array_pop($vars) : CONTROL_NAME;    $params[config('VAR_MODULE')] = (is_array($vars) && !empty($vars)) ? array_pop($vars) : MODULE_NAME;    krsort($params);    if($domain !== FALSE) {        if($domain === TRUE) $domain = $_SERVER['HTTP_HOST'];        $url = (is_ssl() ? 'https://' : 'http://').$domain;    }    if ($param && is_string($param)) parse_str($param,$param);    /* 检测伪静态 */    $name = implode('#', $params);    $rewrites = @include CONF_PATH.'rewrite.php';    if ($rewrites[$name] && $rewrites[$name]['show'] == 1) {        $showurl = $rewrites[$name]['showurl'];        foreach ($param as $k => $v) {            $showurl = str_replace('{'.$k.'}',$v,$showurl);        }        if ($domain !== FALSE) {            return $url.$showurl;        } else {            return __ROOT__.$showurl;        }    }    if ($param) $params = array_merge($params, $param);    return $url.__APP__.'?'.http_build_query($params);}/** * 判断是否SSL协议 * @return boolean */function is_ssl() {    if(isset($_SERVER['HTTPS']) && ('1' == $_SERVER['HTTPS'] || 'on' == strtolower($_SERVER['HTTPS']))){        return true;    }elseif(isset($_SERVER['SERVER_PORT']) && ('443' == $_SERVER['SERVER_PORT'] )) {        return true;    }    return false;}function adshow($name) {    return $name;}/** * 后台页面调用 * @param int $totalrow 总记录数 * @param int $pagesize 每页记录数 * @param int $pagenum     页码数量 */function pages($totalrow, $pagesize = 10, $pagenum = 5) {    $_GET['page'] = (int) $_GET['page'];    $totalPage = ceil($totalrow/$pagesize);    $rollPage = floor($pagenum/2);    $StartPage = $_GET['page'] - $rollPage;    $EndPage = $_GET['page'] + $rollPage;    if($StartPage < 1) $StartPage = 1;    if($EndPage < $pagenum) $EndPage = $pagenum;    if($EndPage >= $totalPage) {        $EndPage = $totalPage;        $StartPage = max(1, $totalPage - $pagenum + 1);    }    $string = '<ul class="fr">';    if($_GET['page'] > 1){        $string .= '<li><a href="'.page_url(array('page' => $_GET['page'] - 1)).'">上一页</a></li>';    }else{        $string .= '<li class="prev disabled"><a>上一页</a></li>';    }    for ($page = $StartPage; $page <= $EndPage; $page++) {        $string .= $page == $_GET['page'] ? '<li class="current"><span>'.$page.'</span></li>' : '<li><a href="'.page_url(array('page' => $page)).'">'.$page.'</a></li>';    }    if($_GET['page'] < $totalPage){        $string .= '<li><a href="'.page_url(array('page' => $_GET['page'] + 1)).'">下一页</a></li>';    }else{        $string .= '<li class="prev disabled"><a>下一页</a></li>';    }    $string .= '<li class="last">共<b>'.$totalPage.'</b>页&nbsp;到第<input name="page" class="input" type="text" value="'.$_GET['page'].'">页&nbsp;<a class="button bg-gray-white" href="#">确定</a></li>';    $string .= '</ul>';    return $string;}/** * 随机字符串 * @param int $length 长度 * @param int $numeric 类型(0：混合；1：纯数字) * @return string */function random($length, $numeric = 0) {     $seed = base_convert(md5(microtime().$_SERVER['DOCUMENT_ROOT']), 16, $numeric ? 10 : 35);     $seed = $numeric ? (str_replace('0', '', $seed).'012340567890') : ($seed.'zZ'.strtoupper($seed));     if($numeric) {          $hash = '';     } else {          $hash = chr(rand(1, 26) + rand(0, 1) * 32 + 64);          $length--;     }     $max = strlen($seed) - 1;     for($i = 0; $i < $length; $i++) {          $hash .= $seed{mt_rand(0, $max)};     }     return $hash;}/** * 将list_to_tree的树还原成列表 * @param  array $tree  原来的树 * @param  string $child 孩子节点的键 * @param  string $order 排序显示的键，一般是主键 升序排列 * @param  array  $list  过渡用的中间数组， * @return array          返回排过序的列表数组 * @author yangweijie <[e-mail]> */function tree_to_list($tree, $child = '_child', $order = 'id', &$list = array()) {     if (is_array($tree)) {          $refer = array();          foreach ($tree as $key => $value) {                $reffer = $value;                if (isset($reffer[$child])) {                     unset($reffer[$child]);                     tree_to_list($value[$child], $child, $order, $list);                }                $list[] = $reffer;          }          $list = list_sort_by($list, $order, $sortby = 'asc');     }     return $list;}/** * 把返回的数据集转换成Tree * @param array $list 要转换的数据集 * @param string $pid parent标记字段 * @param string $level level标记字段 * @return array * @author */function list_to_tree($list, $pk = 'id', $pid = 'parent_id', $child = '_child', $root = 0) {     $tree = array();     if (is_array($list)) {          // 创建基于主键的数组引用          $refer = array();          foreach ($list as $key => $data) {                $refer[$data[$pk]] = & $list[$key];          }          foreach ($list as $key => $data) {                // 判断是否存在parent                $parentId = $data[$pid];                if ($root == $parentId) {                     $tree[$data[$pk]] = & $list[$key];                } else {                     if (isset($refer[$parentId])) {                          $parent = & $refer[$parentId];                          $parent[$child][$data[$pk]] = & $list[$key];                     }                }          }     }     return $tree;}/** * 对查询结果集进行排序 * @access public * @param array $list 查询结果 * @param string $field 排序的字段名 * @param array $sortby 排序类型 * asc正向排序 desc逆向排序 nat自然排序 * @return array */function list_sort_by($list, $field, $sortby = 'asc') {     if (is_array($list)) {          $refer = $resultSet = array();          foreach ($list as $i => $data)                $refer[$i] = &$data[$field];          switch ($sortby) {                case 'asc': // 正向排序                     asort($refer);                     break;                case 'desc':// 逆向排序                     arsort($refer);                     break;                case 'nat': // 自然排序                     natcasesort($refer);                     break;          }          foreach ($refer as $key => $val)                $resultSet[] = &$list[$key];          return $resultSet;     }     return false;}/** * 格式化金额 * @param type $money * @return type */function money($money, $str = ',') {    return number_format($money, 2, '.', $str);}/** * 获取用户头像 * @param type $uid * @return string */function getavatar($uid, $default = true) {    $uid = sprintf("%09d", $uid);    $dir1 = substr($uid, 0, 3);    $dir2 = substr($uid, 3, 2);    $dir3 = substr($uid, 5, 2);    $avatar = './uploadfile/avatar/'.$dir1.'/'.$dir2.'/'.$dir3.'/'.substr($uid, -2).'.jpg';    if(!is_file($avatar) && $default === true) {        $avatar = './template/default/statics/images/member/default_head.png';    }    return $avatar;}function return_bytes($val) {    $val = trim($val);    $last = strtolower($val{strlen($val)-1});    switch($last) {        case 'g': $val *= 1024;        case 'm': $val *= 1024;        case 'k': $val *= 1024;    }    return $val;}function page_url($param = array(), $url) {    $url = (empty($url)) ? $_SERVER['REQUEST_URI'] : $url;    $urls = parse_url($url);    $_url = $urls['path'];    parse_str($urls['query'], $_param);    $params = array_merge($_param, $param);    return $_url.'?'.http_build_query($params);}function runhook($hookid, $params,$flag = FALSE) {    if($flag == TRUE){        return Hook::execute($hookid, $params,$flag);    }else{        Hook::execute($hookid, $params);    }}/** * XML转数组 * @param string $arr * @param boolean $isnormal * @return array */function xml2array(&$xml, $isnormal = FALSE) {    $xml_parser = new xml($isnormal);    $data = $xml_parser->parse($xml);    $xml_parser->destruct();    return $data;}/** * 数组转XML * @param array $arr * @param boolean $htmlon * @param boolean $isnormal * @param intval $level * @return type */function array2xml($arr, $htmlon = TRUE, $isnormal = FALSE, $level = 1) {    $s = $level == 1 ? "<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\r\n<root>\r\n" : '';    $space = str_repeat("\t", $level);    foreach($arr as $k => $v) {        if(!is_array($v)) {            $s .= $space."<item id=\"$k\">".($htmlon ? '<![CDATA[' : '').$v.($htmlon ? ']]>' : '')."</item>\r\n";        } else {            $s .= $space."<item id=\"$k\">\r\n".array2xml($v, $htmlon, $isnormal, $level + 1).$space."</item>\r\n";        }    }    $s = preg_replace("/([\x01-\x08\x0b-\x0c\x0e-\x1f])+/", ' ', $s);    return $level == 1 ? $s."</root>" : $s;}/** * 电子邮箱格式判断 * @param  string $email 字符串 * @return boolean */function is_email($email) {     if (!empty($email)) {          return preg_match('/^[a-z0-9]+([\+_\-\.]?[a-z0-9]+)*@([a-z0-9]+[\-]?[a-z0-9]+\.)+[a-z]{2,6}$/i', $email);     }     return FALSE;}/** * 手机号码格式判断 * @param string $string * @return boolean */function is_mobile($string){     if (!empty($string)) {          return preg_match('/^1[3|4|5|7|8][0-9]\d{8}$/', $string);     }     return FALSE;}/** * 邮政编码格式判断 * @param string $string * @return boolean */function is_zipcode($string){     if (!empty($string)) {          return preg_match('/^[0-9][0-9]{5}$/', $string);     }     return FALSE;}/** * 缩略图生成 * @param sting $src * @param intval $width * @param intval $height * @param boolean $replace * @return string */function thumb($src = '', $width = 500, $height = 500, $replace = false) {    if(is_file($src) && file_exists($src)) {        $ext = pathinfo($src, PATHINFO_EXTENSION);        $name = basename($src, '.'.$ext);        $dir = dirname($src);        if(in_array($ext, array('gif','jpg','jpeg','bmp','png'))) {            $name = $name.'_thumb_'.$width.'_'.$height.'.'.$ext;            $file = $dir.'/'.$name;            if(!file_exists($file) || $replace == TRUE) {                $image = new image($src);                $image->thumb($width, $height, 1);                $image->save($file);            }            return $file;        }    }    return $src;}/** * 多维数组合并（支持多数组） * @return array */function array_merge_multi () {    $args = func_get_args();    $array = array();    foreach ( $args as $arg ) {        if ( is_array($arg) ) {            foreach ( $arg as $k => $v ) {                if ( is_array($v) ) {                    $array[$k] = isset($array[$k]) ? $array[$k] : array();                    $array[$k] = array_merge_multi($array[$k], $v);                } else {                    $array[$k] = $v;                }            }        }    }    return $array;}function sizecount($size) {    if($size >= 1073741824) {        $size = round($size / 1073741824 * 100) / 100 . ' GB';    } elseif($size >= 1048576) {        $size = round($size / 1048576 * 100) / 100 . ' MB';    } elseif($size >= 1024) {        $size = round($size / 1024 * 100) / 100 . ' KB';    } else {        $size = intval($size) . ' Bytes';    }    return $size;}function fileext($filename) {    return addslashes(strtolower(substr(strrchr($filename, '.'), 1, 10)));}/** * @param $title * @param $keywords * @param $description * @param $other * @param bool $flag * @return array */function seo($title, $keywords='', $description='', $other='', $flag = false) {    $setting = cache('setting', '', 'common');    $site_title = $setting['site_name'];    $site_keywords = $setting['site_keywords'];    $site_description = $setting['site_description'];    $tpl_theme = config('TPL_THEME');    $SEO = array();    if($flag == false && $tpl_theme !== 'wap'){         $SEO['title'] = ($title ? $title.' - ' : '').$site_title;     }else{        $SEO['title'] = $title;     }    if(0 === SITE_AUTHORIZE && $tpl_theme !== 'wap')$SEO['title'] .= ' - '.pack("H*","506f7765726564206279204e6f6e6754616f");    $SEO['keywords'] = ($keywords ? $keywords : '').$site_keywords;    $SEO['description'] = ($description ? $description : '').$site_description;    $SEO['other'] = $other ? $other : '';    return $SEO;}/** * [is_favorite 判断商品是否已经收藏] * @param  [type]  $mid [description] * @param  [type]  $id  [description] * @return boolean      [description] */function is_favorite($mid,$id){    return model('goods/goods_sku','service')->is_favorite($mid,$id);}/*截取字符串*/function cut_str($string, $sublen, $start = 0, $code = 'UTF-8'){    if($code == 'UTF-8'){        $pa = "/[\x01-\x7f]|[\xc2-\xdf][\x80-\xbf]|\xe0[\xa0-\xbf][\x80-\xbf]|[\xe1-\xef][\x80-\xbf][\x80-\xbf]|\xf0[\x90-\xbf][\x80-\xbf][\x80-\xbf]|[\xf1-\xf7][\x80-\xbf][\x80-\xbf][\x80-\xbf]/";        preg_match_all($pa, $string, $t_string);        if(count($t_string[0]) - $start > $sublen) return join('', array_slice($t_string[0], $start, $sublen));        return join('', array_slice($t_string[0], $start, $sublen));    }else{        $start = $start*2;        $sublen = $sublen*2;        $strlen = strlen($string);        $tmpstr = '';        for($i=0; $i< $strlen; $i++){            if($i>=$start && $i< ($start+$sublen)){                if(ord(substr($string, $i, 1))>129){                    $tmpstr.= substr($string, $i, 2);                }                else{                    $tmpstr.= substr($string, $i, 1);                }            }            if(ord(substr($string, $i, 1))>129) $i++;        }        return $tmpstr;    }}function pinyin($string = '') {    if(CHARSET != 'gbk') {        $string = iconv(CHARSET,'GBK',$string);    }    $l = strlen($string);    $i = 0;    $pyarr = array();    $py = array();    $filename = CACHE_PATH.'data/pinyin.table';    $fp = fopen($filename,'r');    while(!feof($fp)) {        $p = explode("-",fgets($fp,32));        $pyarr[intval($p[1])] = trim($p[0]);    }    fclose($fp);    ksort($pyarr);    while($i<$l) {        $tmp = ord($string[$i]);        if($tmp>=128) {            $asc = abs($tmp*256+ord($string[$i+1])-65536);            $i = $i+1;        } else $asc = $tmp;        $py[] = asc_to_pinyin($asc,$pyarr);        $i++;    }    return $py;}/** * Ascii转拼音 * @param $asc * @param $pyarr */function asc_to_pinyin($asc,&$pyarr) {    if($asc < 128)return chr($asc);    elseif(isset($pyarr[$asc]))return $pyarr[$asc];    else {        foreach($pyarr as $id => $p) {            if($id >= $asc)return $p;        }    }}/** * 生成订单号 */function build_order_no($suffix = 'o') {    return $suffix.date('Ymd').substr(implode(NULL, array_map('ord', str_split(substr(uniqid(), 7, 13), 1))), 0, 8);}/** * 对多位数组进行排序 * @param $multi_array 数组 * @param $sort_key需要传入的键名 * @param $sort排序类型 */function multi_array_sort($multi_array, $sort_key, $sort = SORT_DESC) {    if (is_array($multi_array)) {        foreach ($multi_array as $row_array) {            if (is_array($row_array)) {                $key_array[] = $row_array[$sort_key];            } else {                return FALSE;            }        }    } else {        return FALSE;    }        array_multisort($key_array, $sort, $multi_array);        return $multi_array;}/* 验证是否微信中访问 */function is_weixin(){    if ( strpos($_SERVER['HTTP_USER_AGENT'], 'MicroMessenger') !== false ) {        return true;    }        return false;}/** * 获得当前的域名 * * @return  string */function get_domain(){    /* 协议 */    $protocol = (isset($_SERVER['HTTPS']) && (strtolower($_SERVER['HTTPS']) != 'off')) ? 'https://' : 'http://';    /* 域名或IP地址 */    if (isset($_SERVER['HTTP_X_FORWARDED_HOST']))    {        $host = $_SERVER['HTTP_X_FORWARDED_HOST'];    }    elseif (isset($_SERVER['HTTP_HOST']))    {        $host = $_SERVER['HTTP_HOST'];    }    else    {        /* 端口 */        if (isset($_SERVER['SERVER_PORT']))        {            $port = ':' . $_SERVER['SERVER_PORT'];            if ((':80' == $port && 'http://' == $protocol) || (':443' == $port && 'https://' == $protocol))            {                $port = '';            }        }        else        {            $port = '';        }        if (isset($_SERVER['SERVER_NAME']))        {            $host = $_SERVER['SERVER_NAME'] . $port;        }        elseif (isset($_SERVER['SERVER_ADDR']))        {            $host = $_SERVER['SERVER_ADDR'] . $port;        }    }    return $protocol . $host;}/** * 获得网站的URL地址 * * @return  string */function site_url(){    return get_domain() . substr(PHP_SELF, 0, strrpos(PHP_SELF, '/'));}function send_sms($mobile){    $api_url = 'http://nonghuitao.jingchang.tv/jpet/api.php/user/getVerifyCode/?ticket=' . $mobile . '&admin=bug51hjj';    $result = file_get_contents($api_url);    $result = json_decode($result, true);    if ($result['code'] == '200') {        return $result['tag'];    } else {        return false;    }}/** * 获得店铺自定内容 * * @return  string */function get_seller_field($seller_id,$field_name){    return model('seller/seller','service')->getFieldById($seller_id,$field_name);}/** * 格式化调试数据 * @param $arr * @author 胡旺旺 */function pre($arr){    echo '<pre>';    print_r($arr);    echo '</pre>';    exit;}/** * 错误数据库操作日志输出 * @param  [type] $newFile [新文件夹] * @param  [type] $erroMsg [错误信息] * @param  string $newDir  [新路径，可选] * @return [type]          [description] */function logMsg($newFile, $erroMsg, $newDir=''){    $mkdir = './log/'.date('Y-m-d',time()).$newDir.'/';    if (!file_exists($mkdir)) {        mkdir($mkdir);    }    $newFile = $mkdir.$newFile.'.txt';    file_put_contents($newFile, $erroMsg.PHP_EOL, FILE_APPEND);}/** * 设置session 存储时间 * @param integer $expire [秒数] */function setSessionTime($expire=0){    if($expire==0){        $expire=ini_get('session.gc_maxlifetime');    }else{        ini_set('session.gc_maxlifetime',$expire);    }    if(empty($_COOKIE['PHPSESSID'])){        session_set_cookie_params($expire);        session_start();    }else{        session_start();        setcookie('PHPSESSID',session_id(),time()+$expire);    }}setSessionTime(604800);//session 缓存一周