PHP实现Javascript中的escape及unescape函数代码分享

php  /  管理员 发布于 7年前   277

这个类相当好用.作用么,PHP做JSON传递GBK字符,比如中文,日文,韩文神马的Unicode最合适不过了..

1){// 多字节字符         $return.='%u'.strtoupper(bin2hex(mb_convert_encoding($str,'UCS-2',$encoding)));      }else{        $return.='%'.strtoupper(bin2hex($str));      }    }    return$return;  }    functiongb2utf8($string,$encoding='utf-8',$from_encode='gb2312')  {    returnmb_convert_encoding($string,$encoding,$from_encode);  }  }?>

google code 上找到的另外一个类似脚本

=127){    $tmpString=bin2hex(iconv("gbk","ucs-2",substr($str,$i,2)));    $tmpString=substr($tmpString,2,2).substr($tmpString,0,2);    $retrunString.="%u".$tmpString;    $i++;}else{    $retrunString.="%".dechex(ord($str[$i]));}        }        return$retrunString;    }      functionescape($str)    {        preg_match_all("/[\x80-\xff].|[\x01-\x7f]+/",$str,$r);        $ar=$r[0];        foreach($aras$k=>$v)        {if(ord($v[0])<128)    $ar[$k]=rawurlencode($v);else    $ar[$k]="%u".bin2hex(iconv("UTF-8","UCS-2",$v));        }        returnjoin("",$ar);    }     functionphpunescape($source)    {        $decodedStr="";        $pos=0;        $len=strlen($source);    while($pos<$len)        {$charAt=substr($source,$pos,1);if($charAt=='%'){    $pos++;    $charAt=substr($source,$pos,1);    if($charAt=='u')    {        // we got a unicode character         $pos++;        $unicodeHexVal=substr($source,$pos,4);        $unicode=hexdec($unicodeHexVal);        $entity="".$unicode.';';        $decodedStr.=utf8_encode($entity);        $pos+=4;    }else{        // we have an escaped ascii character         $hexVal=substr($source,$pos,2);        $decodedStr.=chr(hexdec($hexVal));        $pos+=2;    }}else{    $decodedStr.=$charAt;    $pos++;}        }        return$decodedStr;    }functionunescape($str)    {        $str=rawurldecode($str);        preg_match_all("/(?:%u.{4})|.{4};|\d+;|.+/U",$str,$r);        $ar=$r[0];        #print_r($ar);        foreach($aras$k=>$v)        {if(substr($v,0,2)=="%u")    $ar[$k]=iconv("UCS-2","UTF-8",pack("H4",substr($v,-4)));elseif(substr($v,0,3)=="")    $ar[$k]=iconv("UCS-2","UTF-8",pack("H4",substr($v,3,-1)));elseif(substr($v,0,2)==""){    //echo substr($v,2,-1)."";    $ar[$k]=iconv("UCS-2","UTF-8",pack("n",substr($v,2,-1)));}        }        returnjoin("",$ar);    } ?>

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