从phpcms v9里提取的惯用函数
从phpcms v9里提取的常用函数
/**
* 返回经addslashes处理过的字符串或数组
* @param $string 需要处理的字符串或数组
* @return mixed
*/
function new_addslashes($string){
? ? if(!is_array($string)) return addslashes($string);
? ? foreach($string as $key => $val) $string[$key] = new_addslashes($val);
? ? return $string;
}
/**
* 返回经stripslashes处理过的字符串或数组
* @param $string 需要处理的字符串或数组
* @return mixed
*/
function new_stripslashes($string) {
? ? if(!is_array($string)) return stripslashes($string);
? ? foreach($string as $key => $val) $string[$key] = new_stripslashes($val);
? ? return $string;
}
/**
* 返回经addslashe处理过的字符串或数组
* @param $obj 需要处理的字符串或数组
* @return mixed
*/
function new_html_special_chars($string) {
? ? if(!is_array($string)) return htmlspecialchars($string);
? ? foreach($string as $key => $val) $string[$key] = new_html_special_chars($val);
? ? return $string;
}
/**
* 安全过滤函数
*
* @param $string
* @return string
*/
function safe_replace($string) {
? ? $string = str_replace('%20','',$string);
? ? $string = str_replace('%27','',$string);
? ? $string = str_replace('%2527','',$string);
? ? $string = str_replace('*','',$string);
? ? $string = str_replace('"','"',$string);
? ? $string = str_replace("'",'',$string);
? ? $string = str_replace('"','',$string);
? ? $string = str_replace(';','',$string);
? ? $string = str_replace('? ? $string = str_replace("{",'',$string);
? ? $string = str_replace('}','',$string);
? ? return $string;
}
/**
* 过滤ASCII码从0-28的控制字符
* @return String
*/
function trim_unsafe_control_chars($str) {
? ? $rule = '/[' . chr ( 1 ) . '-' . chr ( 8 ) . chr ( 11 ) . '-' . chr ( 12 ) . chr ( 14 ) . '-' . chr ( 31 ) . ']*/';
? ? return str_replace ( chr ( 0 ), '', preg_replace ( $rule, '', $str ) );
}
/**
* 格式化文本域内容
*
* @param $string 文本域内容
* @return string
*/
function trim_textarea($string) {
? ? $string = nl2br ( str_replace ( ' ', ' ', $string ) );
? ? return $string;
}
/**
* 将文本格式成适合js输出的字符串
* @param string $string 需要处理的字符串
* @param intval $isjs 是否执行字符串格式化,默认为执行
* @return string 处理后的字符串
*/
function format_js($string, $isjs = 1)
{
? ? $string = addslashes(str_replace(array("\r", "\n"), array('', ''), $string));
? ? return $isjs ? 'document.write("'.$string.'");' : $string;
}
/**
* 转义 javascript 代码标记
*
* @param $str
* @return mixed
*/
function trim_script($str) {
? ? $str = preg_replace ( '/\]*?)\>/si', '<\\1script\\2>', $str );
? ? $str = preg_replace ( '/\]*?)\>/si', '<\\1iframe\\2>', $str );
? ? $str = preg_replace ( '/\]*?)\>/si', '<\\1frame\\2>', $str );
? ? $str = preg_replace ( '/]]\>/si', ']] >', $str );
? ? return $str;
}
/**
* 获取当前页面完整URL地址
*/
function get_url() {
? ? $sys_protocal = isset($_SERVER['SERVER_PORT']) && $_SERVER['SERVER_PORT'] == '443' ? 'https://' : 'http://';
? ? $php_self = $_SERVER['PHP_SELF'] ? safe_replace($_SERVER['PHP_SELF']) : safe_replace($_SERVER['SCRIPT_NAME']);
? ? $path_info = isset($_SERVER['PATH_INFO']) ? safe_replace($_SERVER['PATH_INFO']) : '';
? ? $relate_url = isset($_SERVER['REQUEST_URI']) ? safe_replace($_SERVER['REQUEST_URI']) : $php_self.(isset($_SERVER['QUERY_STRING']) ? '?'.safe_replace($_SERVER['QUERY_STRING']) : $path_info);
? ? return $sys_protocal.(isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : '').$relate_url;
}
/**
* 字符截取 支持UTF8/GBK
* @param $string
* @param $length
* @param $dot
*/
function str_cut($string, $length, $dot = '...') {
? ? $strlen = strlen($string);
? ? if($strlen ? ? $string = str_replace(array(' ',' ', '&', '"', ''', '“', '”', '—', '<', '>', '·', '…'), array('∵',' ', '&', '"', "'", '“', '”', '—', '', '·', '…'), $string);
? ? $strcut = '';
? ? if(strtolower(CHARSET) == 'utf-8') {
? ?? ???$length = intval($length-strlen($dot)-$length/3);
? ?? ???$n = $tn = $noc = 0;
? ?? ???while($n ? ?? ?? ?? ?$t = ord($string[$n]);
? ?? ?? ?? ?if($t == 9 || $t == 10 || (32 ? ?? ?? ?? ?? ? $tn = 1; $n++; $noc++;
? ?? ?? ?? ?} elseif(194 ? ?? ?? ?? ?? ? $tn = 2; $n += 2; $noc += 2;
? ?? ?? ?? ?} elseif(224 ? ?? ?? ?? ?? ? $tn = 3; $n += 3; $noc += 2;
? ?? ?? ?? ?} elseif(240 ? ?? ?? ?? ?? ? $tn = 4; $n += 4; $noc += 2;
? ?? ?? ?? ?} elseif(248 ? ?? ?? ?? ?? ? $tn = 5; $n += 5; $noc += 2;
? ?? ?? ?? ?} elseif($t == 252 || $t == 253) {
? ?? ?? ?? ?? ? $tn = 6; $n += 6; $noc += 2;
? ?? ?? ?? ?} else {
? ?? ?? ?? ?? ? $n++;
? ?? ?? ?? ?}
? ?? ?? ?? ?if($noc >= $length) {
? ?? ?? ?? ?? ? break;
? ?? ?? ?? ?}
? ?? ???}
? ?? ???if($noc > $length) {
? ?? ?? ?? ?$n -= $tn;
? ?? ???}
? ?? ???$strcut = substr($string, 0, $n);
? ?? ???$strcut = str_replace(array('∵',' ', '&', '"', "'", '“', '”', '—', '', '·', '…'), array(' ',' ', '&', '"', ''', '“', '”', '—', '<', '>', '·', '…'), $strcut);
? ? } else {
? ?? ???$dotlen = strlen($dot);
? ?? ???$maxi = $length - $dotlen - 1;
? ?? ???$current_str = '';
? ?? ???$search_arr = array('&',' ', '"', "'", '“', '”', '—', '', '·', '…','∵');
? ?? ???$replace_arr = array('&',' ', '"', ''', '“', '”', '—', '<', '>', '·', '…',' ');
? ?? ???$search_flip = array_flip($search_arr);
? ?? ???for ($i = 0; $i ? ?? ?? ?? ?$current_str = ord($string[$i]) > 127 ? $string[$i].$string[++$i] : $string[$i];
? ?? ?? ?? ?if (in_array($current_str, $search_arr)) {
? ?? ?? ?? ?? ? $key = $search_flip[$current_str];
? ?? ?? ?? ?? ? $current_str = str_replace($search_arr[$key], $replace_arr[$key], $current_str);
? ?? ?? ?? ?}
? ?? ?? ?? ?$strcut .= $current_str;
? ?? ???}
? ? }
? ? return $strcut.$dot;
}
/**
* 获取请求ip
*
* @return ip地址
*/
function ip() {
? ? if(getenv('HTTP_CLIENT_IP') && strcasecmp(getenv('HTTP_CLIENT_IP'), 'unknown')) {
? ?? ???$ip = getenv('HTTP_CLIENT_IP');
? ? } elseif(getenv('HTTP_X_FORWARDED_FOR') && strcasecmp(getenv('HTTP_X_FORWARDED_FOR'), 'unknown')) {
? ?? ???$ip = getenv('HTTP_X_FORWARDED_FOR');
? ? } elseif(getenv('REMOTE_ADDR') && strcasecmp(getenv('REMOTE_ADDR'), 'unknown')) {
? ?? ???$ip = getenv('REMOTE_ADDR');
? ? } elseif(isset($_SERVER['REMOTE_ADDR']) && $_SERVER['REMOTE_ADDR'] && strcasecmp($_SERVER['REMOTE_ADDR'], 'unknown')) {
? ?? ???$ip = $_SERVER['REMOTE_ADDR'];
? ? }
? ? return preg_match ( '/[\d\.]{7,15}/', $ip, $matches ) ? $matches [0] : '';
}
function get_cost_time() {
? ? $microtime = microtime ( TRUE );
? ? return $microtime - SYS_START_TIME;
}
/**
* 程序执行时间
*
* @return? ? int? ? 单位ms
*/
function execute_time() {
? ? $stime = explode ( ' ', SYS_START_TIME );
? ? $etime = explode ( ' ', microtime () );
? ? return number_format ( ($etime [1] + $etime [0] - $stime [1] - $stime [0]), 6 );
}
/**
* 产生随机字符串
*
* @param? ? int? ?? ???$length??输出长度
* @param? ? string? ???$chars? ?可选的 ,默认为 0123456789
* @return? ?string? ???字符串
*/
function random($length, $chars = '0123456789') {
? ? $hash = '';
? ? $max = strlen($chars) - 1;
? ? for($i = 0; $i ? ?? ???$hash .= $chars[mt_rand(0, $max)];
? ? }
? ? return $hash;
}
/**
* 将字符串转换为数组
*
* @param? ? string? ? $data? ? 字符串
* @return? ? array? ? 返回数组格式,如果,data为空,则返回空数组
*/
function string2array($data) {
? ? if($data == '') return array();
? ? eval("\$array = $data;");
? ? return $array;
}
/**
* 将数组转换为字符串
*
* @param? ? array? ? $data? ?? ???数组
* @param? ? bool? ? $isformdata? ? 如果为0,则不使用new_stripslashes处理,可选参数,默认为1
* @return? ? string? ? 返回字符串,如果,data为空,则返回空
*/
function array2string($data, $isformdata = 1) {
? ? if($data == '') return '';
? ? if($isformdata) $data = new_stripslashes($data);
? ? return addslashes(var_export($data, TRUE));
}
/**
* 转换字节数为其他单位
*
*
* @param? ? string? ? $filesize? ? 字节大小
* @return? ? string? ? 返回大小
*/
function sizecount($filesize) {
? ? if ($filesize >= 1073741824) {
? ?? ???$filesize = round($filesize / 1073741824 * 100) / 100 .' GB';
? ? } elseif ($filesize >= 1048576) {
? ?? ???$filesize = round($filesize / 1048576 * 100) / 100 .' MB';
? ? } elseif($filesize >= 1024) {
? ?? ???$filesize = round($filesize / 1024 * 100) / 100 . ' KB';
? ? } else {
? ?? ???$filesize = $filesize.' Bytes';
? ? }
? ? return $filesize;
}
?
/**
* 字符串加密、解密函数
*
*
* @param? ? ? ? string? ? ? ? $txt? ? ? ? ? ? ? ? 字符串
* @param? ? ? ? string? ? ? ? $operation? ? ? ? ENCODE为加密,DECODE为解密,可选参数,默认为ENCODE,
* @param? ? ? ? string? ? ? ? $key? ? ? ? ? ? ? ? 密钥:数字、字母、下划线
* @return? ? ? ? string
*/
function sys_auth($txt, $operation = 'ENCODE', $key = '') {
? ? ? ? $key? ? ? ? = $key ? $key : pc_base::load_config('system', 'auth_key');
? ? ? ? $txt? ? ? ? = $operation == 'ENCODE' ? (string)$txt : base64_decode($txt);
? ? ? ? $len? ? ? ? = strlen($key);
? ? ? ? $code? ? ? ? = '';
? ? ? ? for($i=0; $i
? ? ? ? ? ? ? ? $code??.= $txt[$i] ^ $key[$k];
? ? ? ? }
? ? ? ? $code = $operation == 'DECODE' ? $code : base64_encode($code);
? ? ? ? return $code;
}
/**
* 语言文件处理
*
* @param? ? ? ? string? ? ? ? ? ? ? ? $language? ? ? ? 标示符
* @param? ? ? ? array? ? ? ? ? ? ? ? $pars? ? ? ? 转义的数组,二维数组 ,'key1'=>'value1','key2'=>'value2',
* @param? ? ? ? string? ? ? ? ? ? ? ? $modules 多个模块之间用半角逗号隔开,如:member,guestbook
* @return? ? ? ? string? ? ? ? ? ? ? ? 语言字符
*/
function L($language = 'no_language',$pars = array(), $modules = '') {
? ? ? ? static $LANG = array();
? ? ? ? static $LANG_MODULES = array();
? ? ? ? $lang = pc_base::load_config('system','lang');
? ? ? ? if(!$LANG) {
? ? ? ? ? ? ? ? require_once PC_PATH.'languages'.DIRECTORY_SEPARATOR.$lang.DIRECTORY_SEPARATOR.'system.lang.php';
? ? ? ? ? ? ? ? if(defined('IN_ADMIN')) require_once PC_PATH.'languages'.DIRECTORY_SEPARATOR.$lang.DIRECTORY_SEPARATOR.'system_menu.lang.php';
? ? ? ? ? ? ? ? if(file_exists(PC_PATH.'languages'.DIRECTORY_SEPARATOR.$lang.DIRECTORY_SEPARATOR.ROUTE_M.'.lang.php')) require PC_PATH.'languages'.DIRECTORY_SEPARATOR.$lang.DIRECTORY_SEPARATOR.ROUTE_M.'.lang.php';
? ? ? ? }
? ? ? ? if(!empty($modules)) {
? ? ? ? ? ? ? ? $modules = explode(',',$modules);
? ? ? ? ? ? ? ? foreach($modules AS $m) {
? ? ? ? ? ? ? ? ? ? ? ? if(!isset($LANG_MODULES[$m])) require PC_PATH.'languages'.DIRECTORY_SEPARATOR.$lang.DIRECTORY_SEPARATOR.$m.'.lang.php';
? ? ? ? ? ? ? ? }
? ? ? ? }
? ? ? ? if(!array_key_exists($language,$LANG)) {
? ? ? ? ? ? ? ? return $LANG['no_language'].'['.$language.']';
? ? ? ? } else {
? ? ? ? ? ? ? ? $language = $LANG[$language];
? ? ? ? ? ? ? ? if($pars) {
? ? ? ? ? ? ? ? ? ? ? ? foreach($pars AS $_k=>$_v) {
? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? $language = str_replace('{'.$_k.'}',$_v,$language);
? ? ? ? ? ? ? ? ? ? ? ? }
? ? ? ? ? ? ? ? }
? ? ? ? ? ? ? ? return $language;
? ? ? ? }
}
/**
* 模板调用
*
* @param $module
* @param $template
* @param $istag
* @return unknown_type
*/
function template($module = 'content', $template = 'index', $style = '') {
? ? ? ? if(!empty($style) && !defined('STYLE')) {
? ? ? ? ? ? ? ? define('STYLE', $style);
? ? ? ? } elseif (empty($style) && !defined('STYLE')) {
? ? ? ? ? ? ? ? if(defined('SITEID')) {
? ? ? ? ? ? ? ? ? ? ? ? $siteid = SITEID;
? ? ? ? ? ? ? ? } else {
? ? ? ? ? ? ? ? ? ? ? ? $siteid = param::get_cookie('websiteid');
? ? ? ? ? ? ? ? }
? ? ? ? ? ? ? ? $sitelist = getcache('sitelist','commons');
? ? ? ? ? ? ? ? if(!empty($siteid)) {
? ? ? ? ? ? ? ? ? ? ? ? $style = $sitelist[$siteid]['default_style'];
? ? ? ? ? ? ? ? }
? ? ? ? } elseif (empty($style) && defined('STYLE')) {
? ? ? ? ? ? ? ? $style = STYLE;
? ? ? ? } else {
? ? ? ? ? ? ? ? $style = 'default';
? ? ? ? }
? ? ? ? if(!$style) $style = 'default';
? ? ? ? $template_cache = pc_base::load_sys_class('template_cache');
? ? ? ? $compiledtplfile = PHPCMS_PATH.'caches'.DIRECTORY_SEPARATOR.'caches_template'.DIRECTORY_SEPARATOR.$style.DIRECTORY_SEPARATOR.$module.DIRECTORY_SEPARATOR.$template.'.php';
? ? ? ? if(file_exists(PC_PATH.'templates'.DIRECTORY_SEPARATOR.$style.DIRECTORY_SEPARATOR.$module.DIRECTORY_SEPARATOR.$template.'.html')) {
? ? ? ? ? ? ? ? if(!file_exists($compiledtplfile) || (@filemtime(PC_PATH.'templates'.DIRECTORY_SEPARATOR.$style.DIRECTORY_SEPARATOR.$module.DIRECTORY_SEPARATOR.$template.'.html') > @filemtime($compiledtplfile))) {? ? ? ?
? ? ? ? ? ? ? ? ? ? ? ? $template_cache->template_compile($module, $template, $style);
? ? ? ? ? ? ? ? }
? ? ? ? } else {
? ? ? ? ? ? ? ? $compiledtplfile = PHPCMS_PATH.'caches'.DIRECTORY_SEPARATOR.'caches_template'.DIRECTORY_SEPARATOR.'default'.DIRECTORY_SEPARATOR.$module.DIRECTORY_SEPARATOR.$template.'.php';
? ? ? ? ? ? ? ? if(!file_exists($compiledtplfile) || (file_exists(PC_PATH.'templates'.DIRECTORY_SEPARATOR.'default'.DIRECTORY_SEPARATOR.$module.DIRECTORY_SEPARATOR.$template.'.html') && filemtime(PC_PATH.'templates'.DIRECTORY_SEPARATOR.'default'.DIRECTORY_SEPARATOR.$module.DIRECTORY_SEPARATOR.$template.'.html') > filemtime($compiledtplfile))) {
? ? ? ? ? ? ? ? ? ? ? ? $template_cache->template_compile($module, $template, 'default');
? ? ? ? ? ? ? ? } elseif (!file_exists(PC_PATH.'templates'.DIRECTORY_SEPARATOR.'default'.DIRECTORY_SEPARATOR.$module.DIRECTORY_SEPARATOR.$template.'.html')) {
? ? ? ? ? ? ? ? ? ? ? ? showmessage('Template does not exist.'.DIRECTORY_SEPARATOR.$style.DIRECTORY_SEPARATOR.$module.DIRECTORY_SEPARATOR.$template.'.html');
? ? ? ? ? ? ? ? }
? ? ? ? }
? ? ? ? return $compiledtplfile;
}
/**
* 输出自定义错误
*
* @param $errno 错误号
* @param $errstr 错误描述
* @param $errfile 报错文件地址
* @param $errline 错误行号
* @return string 错误提示
*/
function my_error_handler($errno, $errstr, $errfile, $errline) {
? ? ? ? if($errno==8) return '';
? ? ? ? $errfile = str_replace(PHPCMS_PATH,'',$errfile);
? ? ? ? if(pc_base::load_config('system','errorlog')) {
? ? ? ? ? ? ? ? error_log(date('m-d H:i:s',SYS_TIME).' | '.$errno.' | '.str_pad($errstr,30).' | '.$errfile.' | '.$errline."\r\n", 3, CACHE_PATH.'error_log.php');
? ? ? ? } else {
? ? ? ? ? ? ? ? $str = '
Need Help?
? ? ? ? ? ? ? ? echo $str;
? ? ? ? }
}
/**
* 提示信息页面跳转,跳转地址如果传入数组,页面会提示多个地址供用户选择,默认跳转地址为数组的第一个值,时间为5秒。
* showmessage('登录成功', array('默认跳转地址'=>'http://www.phpcms.cn'));
* @param string $msg 提示信息
* @param mixed(string/array) $url_forward 跳转地址
* @param int $ms 跳转等待时间
*/
function showmessage($msg, $url_forward = 'goback', $ms = 1250, $dialog = '', $returnjs = '') {
? ? ? ? if(defined('IN_ADMIN')) {
? ? ? ? ? ? ? ? include(admin::admin_tpl('showmessage', 'admin'));
? ? ? ? } else {
? ? ? ? ? ? ? ? include(template('content', 'message'));
? ? ? ? }
? ? ? ? exit;
}
/**
* 查询字符是否存在于某字符串
*
* @param $haystack 字符串
* @param $needle 要查找的字符
* @return bool
*/
function str_exists($haystack, $needle)
{
? ? ? ? return !(strpos($haystack, $needle) === FALSE);
}
/**
* 取得文件扩展
*
* @param $filename 文件名
* @return 扩展名
*/
function fileext($filename) {
? ? ? ? return strtolower(trim(substr(strrchr($filename, '.'), 1, 10)));
}
/**
* 加载模板标签缓存
* @param string $name 缓存名
* @param integer $times 缓存时间
*/
function tpl_cache($name,$times = 0) {
? ? ? ? $filepath = 'tpl_data';
? ? ? ? $info = getcacheinfo($name, $filepath);
? ? ? ? if (SYS_TIME - $info['filemtime'] >= $times) {
? ? ? ? ? ? ? ? return false;
? ? ? ? } else {
? ? ? ? ? ? ? ? return getcache($name,$filepath);
? ? ? ? }
}
/**
* 写入缓存,默认为文件缓存,不加载缓存配置。
* @param $name 缓存名称
* @param $data 缓存数据
* @param $filepath 数据路径(模块名称) caches/cache_$filepath/
* @param $type 缓存类型[file,memcache,apc]
* @param $config 配置名称
* @param $timeout 过期时间
*/
function setcache($name, $data, $filepath='', $type='file', $config='', $timeout='') {
? ? ? ? pc_base::load_sys_class('cache_factory','',0);
? ? ? ? if($config) {
? ? ? ? ? ? ? ? $cacheconfig = pc_base::load_config('cache');
? ? ? ? ? ? ? ? $cache = cache_factory::get_instance($cacheconfig)->get_cache($config);
? ? ? ? } else {
? ? ? ? ? ? ? ? $cache = cache_factory::get_instance()->get_cache($type);
? ? ? ? }
? ? ? ? return $cache->set($name, $data, $timeout, '', $filepath);
}
?
?
转自:http://www.v63app.com/thread-2-1-1.html
?

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