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感兴趣的小伙伴，下面一起跟随脚本之家 jb51.cc的小编来看看吧。
经测试代码如下：
/**
* 网站SEO及过滤类
*
* @param
* @author 脚本之家 jb51.cc jb51.cc
**/
class SEOTools
{
public function friendlyURL($string,$replacement = '-') {
$map = array(
'/à|á|å|â|ä/' => 'a','/è|é|ê||ë/' => 'e','/ì|í|î/' => 'i','/ò|ó|ô|ø/' => 'o','/ù|ú||û/' => 'u','/ç|/' => 'c','/ñ|ň/' => 'n','//' => 'l','/ý/' => 'y','//' => 't','//' => 'z','/š/' => 's','/æ/' => 'ae','/ö/' => 'oe','/ü/' => 'ue','/Ä/' => 'Ae','/Ü/' => 'Ue','/Ö/' => 'Oe','/ß/' => 'ss','/ /'=>' ','/ /'=>'','/～|·|！|@|#|￥|%|…|&|×|（|）|-|+|=|『|【|』|】|、|:|；|“|”|'|《|，|》|。|？|/|—|_|：|√|＜|°|丶|＞|－|★|｜|│|‖|ˇ/'=>' ','/[^wsx80-xff]/' => ' ','/s+/' => $replacement
);
$string = trim($string);
$string = preg_replace(array_keys($map),array_values($map),$string);
$string = preg_replace('/s+/',$replacement,strtolower($string));
$string = trim($string,$replacement);
return $string;
}
//判断email
public function isEmail($mailAddr)
{
return strlen($mailAddr) > 6 && preg_match("/^[w-.]+@[w-]+(.w+)+$/",$mailAddr);
}
//过滤用户
public function CheckUser($string,$replacement = '_')
{
$map = array(
'/à|á|å|â|ä/' => 'a',$replacement);
return $string;
}
public function mktitle($string,'/[^ws^.x80-xff]/' => ' ',$replacement);
return $string;
}
// 全角替换成半角
public function Qj2bj($string)
{
$qj2bj = array(
'１' => '1','２' => '2','３' => '3','４' => '4','５' => '5','６' => '6','７' => '7','８' => '8','９' => '9','０' => '0','ａ' => 'a','ｂ' => 'b','ｃ' => 'c','ｄ' => 'd','ｅ' => 'e','ｆ' => 'f','ｇ' => 'g','ｈ' => 'h','ｉ' => 'i','ｊ' => 'j','ｋ' => 'k','ｌ' => 'l','ｍ' => 'm','ｎ' => 'n','ｏ' => 'o','ｐ' => 'p','ｑ' => 'q','ｒ' => 'r','ｓ' => 's','ｔ' => 't','ｕ' => 'u','ｖ' => 'v','ｗ' => 'w','ｘ' => 'x','ｙ' => 'y','ｚ' => 'z','Ａ' => 'A','Ｂ' => 'B','Ｃ' => 'C','Ｄ' => 'D','Ｅ' => 'E','Ｆ' => 'F','Ｇ' => 'G','Ｈ' => 'H','Ｉ' => 'I','Ｊ' => 'J','Ｋ' => 'K','Ｌ' => 'L','Ｍ' => 'M','Ｎ' => 'N','Ｏ' => 'O','Ｐ' => 'P','Ｑ' => 'Q','Ｒ' => 'R','Ｓ' => 'S','Ｔ' => 'T','Ｕ' => 'U','Ｖ' => 'V','Ｗ' => 'W','Ｘ' => 'X','Ｙ' => 'Y','Ｚ' => 'Z',' ' => ' '
);
return strtr($string,$qj2bj);
}
public function DelNbsp($string)
{
$map = array(
'/ /'=>' ','/?/'=>' ',);
$string = preg_replace(array_keys($map),$string);
$string = preg_replace('/s+/','',$string);
return $string;
}
public function getZipcode($str)
{
$pattern = "/[0-9]{1}(d+){4,5}/";
preg_match_all($pattern,$str,$zipcodeArr);
if(empty($zipcodeArr[0]))
{
return '';
}
else {
return $zipcodeArr[0][0];
}
}
public function checkZipcode($str)
{
$strwidth=strlen($str);
$zipcode=$str;
switch($strwidth)
{
case 4:$zipcode="00".$str;break;
case 5:$zipcode="0".$str;break;
case 6:$zipcode=$str;break;
default:$zipcode="";break;
}
return $zipcode;
}
public function getEmail($str) {
$pattern = "/w+([-+.]w+)*@w+([-.]w+)*.w+([-.]w+)*/i";
preg_match_all($pattern,$emailArr);
if(empty($emailArr[0]))
{
return '';
}
else {
$email_str=implode(",",$emailArr[0]);
return $email_str;
}
}
public function getUrl($str)
{
$pattern = "/(http://|https://|ftp://)?([w:/.?=&-_]+)/is";
preg_match_all($pattern,$urlArr);
if(empty($urlArr[0]))
{
return '';
}
else {
$url_str=implode(",$urlArr[0]);
$url_str=preg_replace('/(http://|https://|ftp://)/',$url_str);
return $url_str;
}
}
public function match_links($document) {
$match=array();
preg_match_all("'<s*as.*?hrefs*=s*(["'])?(?(1)(.*?)1|([^s>]+))[^>]*>?(.*?)</a>'isx",$document,$links);
while(list($key,$val) = each($links[2])) {
if(!empty($val))
$match['link'][] = $val;
}
while(list($key,$val) = each($links[3])) {
if(!empty($val))
$match['link'][] = $val;
}
while(list($key,$val) = each($links[4])) {
if(!empty($val))
$match['content'][] = $val;
}
while(list($key,$val) = each($links[0])) {
if(!empty($val))
$match['all'][] = $val;
}
return $match;
}
public function DelNoStr($string)
{
$map = array(
'/à|á|å|â|ä/' => 'a','/～|·|！|@|#|￥|%|…|&|×|（|）|-|+|=|『|【|』|】|、|:|；|“|”|’|《|，|》|。|？|/|—|_|‘|：|√|＜|°|丶|ˇ/'=>' ',// '/s+/' => $replacement
);
$string = trim($string);
$string = preg_replace(array_keys($map),$string);
$string = trim($string,'');
return $string;
}
public function UrlToStr($string,$find = '/-/')
{
$string = preg_replace($find," ",strtolower($string));
$string = trim($string);
return $string;
}
public function GetPyLetter($str)
{
return substr(pinyin($str,$ucfirst=true),1);
}
public function GetPinYin($str)
{
return strtolower(pinyin($str,$ucfirst=true));
}
public function DelCode($str)
{
$search = array("'<script[^>]*?>.*?</script>'si",// strip out javascript
"'<[/!]*?[^<>]*?>'si",// strip out html tags
"'([rn])[s]+'",// strip out white space
"'&(quot|#34|#034|#x22);'i",// replace html entities
"'&(amp|#38|#038|#x26);'i",// added hexadecimal values
"'&(lt|#60|#060|#x3c);'i","'&(gt|#62|#062|#x3e);'i","'&(nbsp|#160|#xa0);'i","'&(iexcl|#161);'i","'&(cent|#162);'i","'&(pound|#163);'i","'&(copy|#169);'i","'&(reg|#174);'i","'&(deg|#176);'i","'&(#39|#039|#x27);'","'&(euro|#8364);'i",// europe
"'&a(uml|UML);'",// german
"'&o(uml|UML);'","'&u(uml|UML);'","'&A(uml|UML);'","'&O(uml|UML);'","'&U(uml|UML);'","'ß'i",);
$replace = array("","","1",""","&","<",">",chr(161),chr(162),chr(163),chr(169),chr(174),chr(176),chr(39),chr(128),"?",);
$str = preg_replace($search,$replace,$str);
return trim($str);
}
public function CutStr($sourcestr,$cutlength)
{
$returnstr='';
$i=0;
$n=0;
$sourcestr=rtrim(SEOTools::DelCode($sourcestr));
$str_length=strlen($sourcestr);//字符串的字节数
while (($n<$cutlength) and ($i<=$str_length))
{
$temp_str=substr($sourcestr,$i,1);
$ascnum=Ord($temp_str);//得到字符串中第$i位字符的ascii码
if ($ascnum>=224) //如果ASCII位高与224，
{
$returnstr=$returnstr.substr($sourcestr,3); //根据UTF-8编码规范，将3个连续的字符计为单个字符
$i=$i+3; //实际Byte计为3
$n++; //字串长度计1
}
elseif ($ascnum>=192) //如果ASCII位高与192，
{
$returnstr=$returnstr.substr($sourcestr,2); //根据UTF-8编码规范，将2个连续的字符计为单个字符
$i=$i+2; //实际Byte计为2
$n++; //字串长度计1
}
elseif ($ascnum>=65 && $ascnum<=90) //如果是大写字母，
{
$returnstr=$returnstr.substr($sourcestr,1);
$i=$i+1; //实际的Byte数仍计1个
$n++; //但考虑整体美观，大写字母计成一个高位字符
}
else //其他情况下，包括小写字母和半角标点符号，
{
$returnstr=$returnstr.substr($sourcestr,1);
$i=$i+1; //实际的Byte数计1个
$n=$n+0.5; //小写字母和半角标点等与半个高位字符宽...
}
}
if ($str_length>$i){
$returnstr = $returnstr . ".";//超过长度时在尾处加上省略号
}
return htmlspecialchars($returnstr);
}
public function CreateTagLink($tags_str)
{
$tags_array=explode(",$tags_str);
$link_tpl="";
foreach($tags_array as $v)
{
$tag=trim($v);
$alias=SEOTools::friendlyURL($tag);
// $link_tpl.='<a href="/s/'.urlencode($alias).'" title="'.$tag."">'.$tag.'</a> ';
$link_tpl.=$tag.' ';
}
return $link_tpl;
}
}
/**
* 中文转拼类
*
* @author Lukin <my@lukin.cn>
* @date 2011-01-25 10:44
*/
class PinYin {
// 码表
private $fp = null;
private $dat = 'pinyin.dat';
public function __construct(){
$this->dat = dirname(__FILE__).'/'.$this->dat;
if (is_file($this->dat)) {
$this->fp = fopen($this->dat,'rb');
}
}
/**
* 转拼音
*
* @param string $str 汉字
* @param bool $ucfirst 首字母大写
* @param bool $polyphony 忽略多读音
* @return string
*/
public function encode($str,$ucfirst=true,$polyphony=true) {
$ret = ''; $len = mb_strlen($str,'UTF-8');
for ($i = 0; $i < $len; $i++) {
$py = $this->pinyin(mb_substr($str,1,'UTF-8'));
if ($ucfirst && strpos($py,',') !== false) {
$pys = explode(',$py);
$ret.= implode(',array_map('ucfirst',($polyphony ? array_slice($pys,1) : $pys)));
} else {
$ret.= $ucfirst ? ucfirst($py) : $py;
}
}
return $ret;
}
/**
* 汉字转十进制
*
* @param string $word
* @return number
*/
private function char2dec($word) {
$bins = '';
$chars = str_split($word);
foreach($chars as $char) $bins.= decbin(ord($char));
$bins = preg_replace('/^.{4}(.{4}).{2}(.{6}).{2}(.{6})$/','$1$2$3',$bins);
return bindec($bins);
}
/**
* 单个字转拼音
*
* @param string $char 汉字
* @return string
*/
public function pinyin($char){
if (strlen($char) == 3 && $this->fp) {
$offset = $this->char2dec($char);
// 判断 off 值
if ($offset >= 0) {
fseek($this->fp,($offset - 19968) << 4,SEEK_SET);
return trim(fread($this->fp,16));
}
}
return $char;
}
public function __destruct() {
if ($this->fp) {
fclose($this->fp);
}
}
}
/**
* 取得实例
*
* @return $pinyin
*/
function &_pinyin_get_object() {
static $pinyin;
if ( is_null($pinyin) )
$pinyin = new PinYin();
return $pinyin;
}
if (!function_exists('pinyin')) :
/**
* 取得拼音
*
* @param string $str
* @param bool $ucfirst 首字母大写
* @return string
*/
function pinyin($str,$ucfirst=true) {
$py = _pinyin_get_object();
return $py->encode($str,$ucfirst);
}
endif;
/*** 代码来自脚本之家 jb51.cc（jb51.cc） ***/
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