<?php
namespace imcat;
// String类 - by Peace(XieYS) 2012-02-18
class basStr{
// 把字符串转化为数组，支持中文
static function strArr($str, $cset='utf-8'){
$len = mb_strlen($str, $cset);
$arr = array();
for($i=0; $i<$len; $i++){
$arr[] = mb_substr($str, $i, 1, $cset);
}
return $arr;
}
// 匹配中文字符串
// ($str,'100,ffff','3,5'), ($str,'cnchr','c124'),
static function getMatch($str,$case='cnchr',$len='c124'){
$cfgs = array(
'isasc' => array('{20}','{ff}'), // ascii码
'noasc' => array('{100}','{ffff}'), //非ascii码
'cnchr' => array('{4e00}','{9fbf}'), //中文
//'dbstr' => "", //导出的db中文
);
$lens = array(
'c124' => '{1,24}',
'c196' => '{1,96}',
'c204' => '{1,4}', //姓名
);
$cfg = isset($cfgs[$case]) ? $cfgs[$case] : explode(',',str_replace(",","},{",'{'.$case.'}'));
$len = isset($lens[$len]) ? $lens[$len] : '{'.$len.'}'; "\{$len\}";
if($case=='dbstr'){
preg_match_all("/[\x{2000}-\x{9fa5}a-z0-9\/\:\,\.\_\-\[\]]{0,48}[\x{4e00}-\x{9fa5}]{1}[\x{2000}-\x{9fa5}a-z0-9\/\:\,\.\_\-\[\]]{0,96}/iu",$str,$m);
}else{
preg_match_all("/[\x{$cfg[0]}-\x{$cfg[1]}]{$len}/u",$str,$m);
}
$res = empty($m[0]) ? array() : array_unique($m[0]);
return $res;
}
// 计算字符串字节数，英文算一个字节,不管[GBK/utf-8]编码中文算两个字节
static function chrCount($str){
global $_cbase;
$ch = $_cbase['sys']['cset']=='utf-8' ? 3 : 2; //中文宽度
$length = strlen(preg_replace('/[\x00-\x7F]/', '', $str));
if($length){
return strlen($str) - $length + intval($length / $ch) * 2;
}else{
return strlen($str);
}
//return strlen(preg_replace('/([x4e00-x9fa5])/u','**',$str));
}
// *** 截取字符串，英文算一个,中文算一个
static function cutCount($str,$len=255){
global $_cbase;
$ch = $_cbase['sys']['cset']=='utf-8' ? 3 : 2; //中文宽度
$n = strlen($str); //php函数原始长度
$p = 0; //指针
$cnt = 0; // 计数,英文算一个字符
if($n > $len) {
for($i=0; $i<$n; $i++) {
if($p>=$n) break; //结尾
if($cnt>=$len) break; //最大文字个数
if(ord($str[$p]) > 127) { $p += $ch; }
else { $p++; }
$cnt++;
}
return substr($str,0,$p);
}else return $str;
}
// *** 截取字符串，得到等宽字符串
static function cutWidth($string, $length=24, $etc='...') {
global $_cbase;
if(!$string) return "";
$clen = $_cbase['sys']['cset']=='utf-8' ? 3 : 2; //中文宽度
$olen = strlen($string); $mblen=mb_strlen($string); $len2 = $length*2; //中文宽计算
$pos = 0; $width = 0; $mbcnt = 0;
if($mblen > $length) {
//将$length换算成实际UTF8格式编码下字符串的长度
for($i=0; $i<$olen; $i++) {
if ($pos >= strlen($string)) { break; }
if ($width >= $len2) { break; }
//当检测到一个中文字符时, //大概按一个汉字宽度相当于两个英文字符的宽度
if(ord($string[$pos]) > 127) { $pos += $clen; $width += 2; }
else { $pos++; $width++; }
$mbcnt++;
}
$res = $mblen>$mbcnt ? mb_substr($string,0,$mbcnt-1).$etc : $string;
return $res;
}else return $string;
}
// *** 格式化数字,$type='Byte'显示占用空间
static function showNumber($num, $type=0){
$b = 0; $bfix = ''; // Byte
if(is_numeric($num)){ $b = $num; }
if($type==='Byte'){
// TB,PB,EB,ZB,YB,NB,DB
if($b>pow(1024,4)){
$b = number_format($b/(pow(1024,4)),2)." (TB) ";
}else if($b>pow(1024,3)) {
$b = number_format($b/(pow(1024,3)),2)." (GB) ";
}else if($b>pow(1024,2)) {
$b = number_format($b/(pow(1024,2)),2)." (MB) ";
}else if($b>pow(1024,1)) {
$b = number_format($b/(pow(1024,1)),2)." (KB) ";
}else{
$b = $b." (B) ";
}
return $b;
}else{
return number_format($b,$type);
}
}
// *** 显示状态
// "Y;N;X;-","已审;未审;未过;未知",$SetShow);
static function showState($xState,$xMsg,$val){
global $_cbase;
if($xMsg==""){ $xMsg=$xState; }
$sc = '333,'.$_cbase['ucfg']['ctab'].',999'; $ac = explode(',',$sc);
$ak = explode(';',$xState); $am = explode(';',$xMsg);
$j=0; $r="<span style='color:#CCC'>-</span>";
for($i=0;$i<sizeof($ak);$i++) {
if($j>=sizeof($ac)) { $j=0; }
if($val==$ak[$i]){
$r = "<span style='color:#".$ac[$j]."'>".$am[$i]."</span>";
break;
}
$j++;
}
return $r;
}
// *** 显示颜色
static function showColor($Text,$Color){
if(substr($Color,0,1)!='#') $Color='#'.$Color;
$Text = str_replace('<',"<",$Text);
$Text = str_replace('>',">",$Text);
if((strlen($Color)>3)&&($Color!='#000000')){
$Text = "<span style='color:$Color'>$Text</span>";
}
return $Text;
}
// Filter转义/还原
// *** 文本文件
static function filText($str,$cbr=1){
if(is_array($str)) {
foreach($str as $key => $val) $str[$key] = self::filText($val,$cbr);
}else{// 不用:html(specialchars/entities) : 1-不好记, 2-不兼容数组, 3-php5.4+gbk返回空
$str = str_replace(array('&','"',"'",'<','>'), array('&','"',"'",'<','>'), $str);
if($cbr) $str = nl2br($str); // htmlentities($str,3,"UTF-8");
}
return $str;
}
// *** 过滤危险的HTML
static function filHtml($val){
$string = $val;
$searcharr = array("/(javascript|jscript|js|vbscript|vbs|about):/i","/on(mouse|exit|error|click|dblclick|key|load|unload|change|move|submit|reset|cut|copy|select|start|stop)/i","/<script([^>]*)>/i","/<iframe([^>]*)>/i","/<frame([^>]*)>/i","/<link([^>]*)>/i","/@import/i");
$replacearr = array("\\1\n:","on\n\\1","<script\\1>","<iframe\\1>","<frame\\1>","<link\\1>","@\nimport");
$string = preg_replace($searcharr,$replacearr,$string);
$string = str_replace("&#","&\n#",$string);
return $string;
}
// *** 从Html内容中截取字符串，
static function filHText($xStr,$xLen=0) {
$xStr = preg_replace("/<\!--.*?-->/si","",$xStr); //注释
$xStr = strip_tags($xStr);
//$xStr = htmlspecialchars_decode($xStr); // 不含<>字符
$xStr = self::filTrim($xStr);
if($xLen) $xStr = self::cutWidth($xStr,$xLen);
return $xStr; // nl2br($s);
}
// *** 从Html内容过滤样式，适合wap显示
static function filHWap($str){
$str = preg_replace('/<img.*?src=["\']?([^"\'\s]*)["\']?[^>]*>/is',"<img src=\"$1\" />",$str);//图片格式化
$str = preg_replace('/<p[^>]*>\s*<img[^>]*src=["\']?([^"\'\s]*)["\']?[^>]*>/is',"<p style=\"text-align:center;\" ><img src=\"$1\" />",$str);//图片居中
// text
$str = preg_replace('/>(\s| | )*/is',">",$str);//去除空格
$str = preg_replace('/text-indent:[^;\'"]*;?/i','',$str);
// iframe
$str = preg_replace('/width=(\d+)&height=(\d+\.{0,9}\d*)/is',"",$str);
$str = preg_replace('/<iframe height="\d+" width="\d+"/','<iframe height="250" width="100%"',$str);
return $str;
#$val = preg_replace('/\[#.*?#\]/','',safestr($val)); // 安全,分页
}
// *** Form中字符编码
static function filForm($str) {
return self::filText($str,0);
}
// *** Account过滤帐号
static function filKey($str,$ext='_'){
$url = array(
'url' => FILTER_SANITIZE_URL,
'email' => FILTER_SANITIZE_EMAIL,
);
if(isset($url[$ext])){
return filter_var($str, $url[$ext]);
}
$re = '';
if(strlen($str)){ //$str=0
$tmp = KEY_NUM10.KEY_CHR26.$ext; //-._@
$tab = strtoupper($tmp).strtolower($tmp);
for($i=0;$i<strlen($str);$i++) {
if(strstr($tab,substr($str,$i,1))) $re .= substr($str,$i,1);
}
}
return $re;
}
// *** Title过滤标题
static function filTitle($xStr, $exa=array('\r','\n')){
$def = array('<','>','"',"'","\\");
if($exa=='file') $exa = array('/',':','*','?','|'); // \/:*?"<>|
if(!empty($exa)){
$def = array_merge($def, $exa);
}
$xStr = str_replace($def,'',$xStr);
return $xStr;
}
// *** Safe4过滤表单
static function filSafe4($xStr, $exa=array('%')){
return self::filTitle($xStr, $exa);
}
// *** 过滤空行和注释
static function filNotes($data, $sin=1){
$data = str_replace(array("\r\n", "\r"), "\n", $data);
$data = preg_replace('/\/\*(.*?)\*\//s','',$data); // /*note*/ 多行注释
$data = preg_replace("/<\!--.*?-->/s","",$data); // <!--note--> 多行注释
$data = preg_replace("/(#[^\n]+)/s","",$data); // #note 多行注释
$data = preg_replace("/([\s]{2,})/","\\1",$data);
$data = preg_replace("/\n+/", "\n", $data);
if($sin){
$data = preg_replace('/\/\/(.*?)\ /s','',$data); // 单行注释
$data = preg_replace('( [\s| ]* )'," ",$data); // 连续空白
}
return $data;
}
// 多行空白
static function filL3bl($data, $sin=1){
$data = preg_replace('/\n[ ]+\n/s',"\n\n",$data);
$data = preg_replace('/\n[ ]+\n/s',"\n\n",$data);
$data = preg_replace('/\n[ ]+\n/s',"\n\n",$data);
$data = preg_replace('/\n\n/s',"\n",$data);
$data = preg_replace('/\n\n/s',"\n",$data);
$data = preg_replace('/\n\n/s',"\n",$data);
return $data;
}
// python '''/""" 多行注释
static function filN3py($data, $sin=1){
$data = preg_replace('/\'\'\'(.*?)\'\'\'/s','',$data);
$data = preg_replace('/\"\"\"(.*?)\"\"\"/s','',$data);
return $data;
}
// 去除多余的空格和换行符
static function filTrim($str,$mode=0){
$str = trim($str);
if($mode==1){
// 去除多个空白
$str = preg_replace("/[\s]{2,}/", '', $str);
}elseif($mode==2){
// 去除所有的空格和换行符
$str = preg_replace("/\s+/", '', $str);
}else{
// 去除多余的空格和换行符，只保留(第)一个
$str = preg_replace("/\s(?=\s)/","\\1",$str);
}
return $str;
}
// Check字符处理
static function isKey($str,$m1=3,$m2=12,$type='') {
$new = self::filKey($str,$type);
$len = strlen($new);
return $str===$new && $len>=$m1 && $len<=$m2;
}
// type:mob,400,800,tel
static function isTel($val,$type='mob') {
if($type=='mob'){ // 138-1234-5678
return strlen($val) > 10 && preg_match("/^1[\d]{2}[\-]{0,1}[\d]{4}[\-]{0,1}[\d]{4}$/", $val);
}elseif($type=='400'){ // 400-123-4567
return strlen($val) > 9 && preg_match("/^400[\-]{0,1}[\d]{3}[\-]{0,1}[\d]{4}$/", $val);
}elseif($type=='800'){ // 800-123-4567
return strlen($val) > 9 && preg_match("/^800[\-]{0,1}[\d]{3}[\-]{0,1}[\d]{4}$/", $val);
}else{ // tel: 010-1234-5678
return strlen($val) > 9 && preg_match("/^0[\d]{2,3}[\-]{0,1}[\d]{3,4}[\-]{0,1}[\d]{4}$/", $val);
}
}
static function isUrl($url) {
return filter_var($email, FILTER_VALIDATE_URL);
}
static function isMail($email) {
return filter_var($email, FILTER_VALIDATE_EMAIL);
}
static function isIdCard($idno, $rch=0){
if(!$rch && strlen($idno)!=18){ return 0; }
$w = [7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2];
$y = ['1', '0', 'X', '9', '8', '7', '6', '5', '4', '3', '2'];
$sum = 0;
for($i=0; $i<17; $i++){
$sum += $idno[$i] * $w[$i];
}
$mod = $sum % 11; // 取余
if($rch){
return $y[$mod];
}else{
return $idno[17] == $y[$mod];
}
} //原文链接：https://blog.csdn.net/xfjpeter/article/details/85092576
// 检查字符串是否是UTF8编码,是返回true,否则返回false
static function isUtf8($str,$re='T/F'){
$flag = mb_detect_encoding($str, array('ASCII','GB2312','GBK','BIG5','UTF-8'));
if($re=='T/F'){
return $flag === 'UTF-8';
}else{
return $flag;
}
}
// 避免重复转utf-8，只转需要转的文档
static function isConv($str = ''){
if(!$str) return FALSE;
if(mb_detect_encoding($str,'UTF-8',TRUE) == 'UTF-8') return FALSE; //本就是UTF8的编码
return TRUE;
}
// 隐藏电话,手机,邮件,qq,ip的中间一部分
// ('13712345678','',3) -> 137****5678
static function subReplace($str,$char='',$dstart=0){
$char = empty($char) ? '*' : $char;
if(strpos($str,'@')>0){
$a = explode('@',$str);
$suf = '@*'.substr($a[1],strrpos($a[1],'.'));
$str = $a[0];;
}else{
$suf = '';
}
$len = strlen($str);
if($len<3) return $str.$suf;
if($len<6) $n = 2;
else $n = 4;
$start = $dstart ? $dstart : (($len-6)<1 ? 1 : $len-6);
$re = ''; for($i=0;$i < $n;$i++) $re .= $char;
$str = substr_replace($str,$re,$start,$n);
return $str.$suf;
}
// 模板替换
static function tplReplace($tpl,$source=array()){
global $_cbase;
if(preg_match_all('/{\s*([\$]{0,1}\w*)\s*}/i', $tpl, $matchs)){
if(!empty($matchs[0])){
foreach($matchs[0] as $ik=>$iv){
$k = str_replace('$','',$matchs[1][$ik]);
$val = isset($source[$k]) ? $source[$k] : '';
$cks = array('ucfg','sys','server',);
foreach ($cks as $ic) {
if(strlen($val)==0 && isset($_cbase[$ic][$k])){
$val = $_cbase[$ic][$k];
break;
}
}
if(strlen($val)==0){
$val = isset($_cbase[$k]) ? $_cbase[$k] : "($k)";
}
$tpl = str_replace($iv,$val,$tpl);
}
}
}
return $tpl;
}
}