$pinyin = $this->utf8_to("我是中文");
//汉字转拼音（生僻字不支持）
function(){
echo $this->utf8_to("我是个好人");
}
/
以下是中文转拼音
@param $s
@param bool $isfirst
@return string
/
public static function utf8_to($s, $isfirst = false) {
return self::to(self::utf8_to_gb2312($s), $isfirst);
}
public static function utf8_to_gb2312($s) {
return iconv('UTF-8', 'GB2312//IGNORE', $s);
}
// 字符串必须为GB2312编码
public static function to($s, $isfirst = false) {
$res = '';
$len = strlen($s);
$pinyin_arr = self::get_pinyin_array();
for($i=0; $i<$len; $i++) {
$ascii = ord($s{$i});
if($ascii > 0x80) {
$ascii2 = ord($s{++$i});
$ascii = $ascii 256 + $ascii2 - 65536;
}
if($ascii < 255 && $ascii > 0) {
if(($ascii >= 48 && $ascii <= 57) || ($ascii >= 97 && $ascii <= 122)) {
$res = $s{$i}; // 0-9 a-z
}elseif($ascii >= 65 && $ascii <= 90) {
$res = strtolower($s{$i}); // A-Z
}else{
$res = '_';
}
}elseif($ascii < -20319 || $ascii > -10247) {
$res = '_';
}else{
foreach($pinyin_arr as $py=>$asc) {
if($asc <= $ascii) {
$res = $isfirst $py{0} : $py;
break;
}
}
}
}
return $res;
}
public static function to_first($s) {
$ascii = ord($s{0});
if($ascii > 0xE0) {
$s = self::utf8_to_gb2312($s{0}$s{1}$s{2});
}elseif($ascii < 0x80) {
if($ascii >= 65 && $ascii <= 90) {
return strtolower($s{0});
}elseif($ascii >= 97 && $ascii <= 122) {
return $s{0};
}else{
return false;
}
}
if(strlen($s) < 2) {
return false;
}
$asc = ord($s{0}) 256 + ord($s{1}) - 65536;
if($asc>=-20319 && $asc<=-20284) return 'a';
if($asc>=-20283 && $asc<=-19776) return 'b';
if($asc>=-19775 && $asc<=-19219) return 'c';
if($asc>=-19218 && $asc<=-18711) return 'd';
if($asc>=-18710 && $asc<=-18527) return 'e';
if($asc>=-18526 && $asc<=-18240) return 'f';
if($asc>=-18239 && $asc<=-17923) return 'g';
if($asc>=-17922 && $asc<=-17418) return 'h';
if($asc>=-17417 && $asc<=-16475) return 'j';
if($asc>=-16474 && $asc<=-16213) return 'k';
if($asc>=-16212 && $asc<=-15641) return 'l';
if($asc>=-15640 && $asc<=-15166) return 'm';
if($asc>=-15165 && $asc<=-14923) return 'n';
if($asc>=-14922 && $asc<=-14915) return 'o';
if($asc>=-14914 && $asc<=-14631) return 'p';
if($asc>=-14630 && $asc<=-14150) return 'q';
if($asc>=-14149 && $asc<=-14091) return 'r';
if($asc>=-14090 && $asc<=-13319) return 's';
if($asc>=-13318 && $asc<=-12839) return 't';
if($asc>=-12838 && $asc<=-12557) return 'w';
if($asc>=-12556 && $asc<=-11848) return 'x';
if($asc>=-11847 && $asc<=-11056) return 'y';
if($asc>=-11055 && $asc<=-10247) return 'z';
return false;
}
public static function get_pinyin_array() {
static $py_arr;
if(isset($py_arr)) return $py_arr;
$k = 'a|ai|an|ang|ao|ba|bai|ban|bang|bao|bei|ben|beng|bi|bian|biao|bie|bin|bing|bo|bu|ca|cai|can|cang|cao|ce|ceng|cha|chai|chan|chang|chao|che|chen|cheng|chi|chong|chou|chu|chuai|chuan|chuang|chui|chun|chuo|ci|cong|cou|cu|cuan|cui|cun|cuo|da|dai|dan|dang|dao|de|deng|di|dian|diao|die|ding|diu|dong|dou|du|duan|dui|dun|duo|e|en|er|fa|fan|fang|fei|fen|feng|fo|fou|fu|ga|gai|gan|gang|gao|ge|gei|gen|geng|gong|gou|gu|gua|guai|guan|guang|gui|gun|guo|ha|hai|han|hang|hao|he|hei|hen|heng|hong|hou|hu|hua|huai|huan|huang|hui|hun|huo|ji|jia|jian|jiang|jiao|jie|jin|jing|jiong|jiu|ju|juan|jue|jun|ka|kai|kan|kang|kao|ke|ken|keng|kong|kou|ku|kua|kuai|kuan|kuang|kui|kun|kuo|la|lai|lan|lang|lao|le|lei|leng|li|lia|lian|liang|liao|lie|lin|ling|liu|long|lou|lu|lv|luan|lue|lun|luo|ma|mai|man|mang|mao|me|mei|men|meng|mi|mian|miao|mie|min|ming|miu|mo|mou|mu|na|nai|nan|nang|nao|ne|nei|nen|neng|ni|nian|niang|niao|nie|nin|ning|niu|nong|nu|nv|nuan|nue|nuo|o|ou|pa|pai|pan|pang|pao|pei|pen|peng|pi|pian|piao|pie|pin|ping|po|pu|qi|qia|qian|qiang|qiao|qie|qin|qing|qiong|qiu|qu|quan|que|qun|ran|rang|rao|re|ren|reng|ri|rong|rou|ru|ruan|rui|run|ruo|sa|sai|san|sang|sao|se|sen|seng|sha|shai|shan|shang|shao|she|shen|sheng|shi|shou|shu|shua|shuai|shuan|shuang|shui|shun|shuo|si|song|sou|su|suan|sui|sun|suo|ta|tai|tan|tang|tao|te|teng|ti|tian|tiao|tie|ting|tong|tou|tu|tuan|tui|tun|tuo|wa|wai|wan|wang|wei|wen|weng|wo|wu|xi|xia|xian|xiang|xiao|xie|xin|xing|xiong|xiu|xu|xuan|xue|xun|ya|yan|yang|yao|ye|yi|yin|ying|yo|yong|you|yu|yuan|yue|yun|za|zai|zan|zang|zao|ze|zei|zen|zeng|zha|zhai|zhan|zhang|zhao|zhe|zhen|zheng|zhi|zhong|zhou|zhu|zhua|zhuai|zhuan|zhuang|zhui|zhun|zhuo|zi|zong|zou|zu|zuan|zui|zun|zuo';
$v = '-20319|-20317|-20304|-20295|-20292|-20283|-20265|-20257|-20242|-20230|-20051|-20036|-20032|-20026|-20002|-19990|-19986|-19982|-19976|-19805|-19784|-19775|-19774|-19763|-19756|-19751|-19746|-19741|-19739|-19728|-19725|-19715|-19540|-19531|-19525|-19515|-19500|-19484|-19479|-19467|-19289|-19288|-19281|-19275|-19270|-19263|-19261|-19249|-19243|-19242|-19238|-19235|-19227|-19224|-19218|-19212|-19038|-19023|-19018|-19006|-19003|-18996|-18977|-18961|-18952|-18783|-18774|-18773|-18763|-18756|-18741|-18735|-18731|-18722|-18710|-18697|-18696|-18526|-18518|-18501|-18490|-18478|-18463|-18448|-18447|-18446|-18239|-18237|-18231|-18220|-18211|-18201|-18184|-18183|-18181|-18012|-17997|-17988|-17970|-17964|-17961|-17950|-17947|-17931|-17928|-17922|-17759|-17752|-17733|-17730|-17721|-17703|-17701|-17697|-17692|-17683|-17676|-17496|-17487|-17482|-17468|-17454|-17433|-17427|-17417|-17202|-17185|-16983|-16970|-16942|-16915|-16733|-16708|-16706|-16689|-16664|-16657|-16647|-16474|-16470|-16465|-16459|-16452|-16448|-16433|-16429|-16427|-16423|-16419|-16412|-16407|-16403|-16401|-16393|-16220|-16216|-16212|-16205|-16202|-16187|-16180|-16171|-16169|-16158|-16155|-15959|-15958|-15944|-15933|-15920|-15915|-15903|-15889|-15878|-15707|-15701|-15681|-15667|-15661|-15659|-15652|-15640|-15631|-15625|-15454|-15448|-15436|-15435|-15419|-15416|-15408|-15394|-15385|-15377|-15375|-15369|-15363|-15362|-15183|-15180|-15165|-15158|-15153|-15150|-15149|-15144|-15143|-15141|-15140|-15139|-15128|-15121|-15119|-15117|-15110|-15109|-14941|-14937|-14933|-14930|-14929|-14928|-14926|-14922|-14921|-14914|-14908|-14902|-14894|-14889|-14882|-14873|-14871|-14857|-14678|-14674|-14670|-14668|-14663|-14654|-14645|-14630|-14594|-14429|-14407|-14399|-14384|-14379|-14368|-14355|-14353|-14345|-14170|-14159|-14151|-14149|-14145|-14140|-14137|-14135|-14125|-14123|-14122|-14112|-14109|-14099|-14097|-14094|-14092|-14090|-14087|-14083|-13917|-13914|-13910|-13907|-13906|-13905|-13896|-13894|-13878|-13870|-13859|-13847|-13831|-13658|-13611|-13601|-13406|-13404|-13400|-13398|-13395|-13391|-13387|-13383|-13367|-13359|-13356|-13343|-13340|-13329|-13326|-13318|-13147|-13138|-13120|-13107|-13096|-13095|-13091|-13076|-13068|-13063|-13060|-12888|-12875|-12871|-12860|-12858|-12852|-12849|-12838|-12831|-12829|-12812|-12802|-12607|-12597|-12594|-12585|-12556|-12359|-12346|-12320|-12300|-12120|-12099|-12089|-12074|-12067|-12058|-12039|-11867|-11861|-11847|-11831|-11798|-11781|-11604|-11589|-11536|-11358|-11340|-11339|-11324|-11303|-11097|-11077|-11067|-11055|-11052|-11045|-11041|-11038|-11024|-11020|-11019|-11018|-11014|-10838|-10832|-10815|-10800|-10790|-10780|-10764|-10587|-10544|-10533|-10519|-10331|-10329|-10328|-10322|-10315|-10309|-10307|-10296|-10281|-10274|-10270|-10262|-10260|-10256|-10254';
$key = explode('|', $k);
$val = explode('|', $v);
$py_arr = array_combine($key, $val);
arsort($py_arr);
return $py_arr;
}
其实就是一个记录的问题。
比如你可以在建表时，就创建一个在线表，其中可以包含在线用户ID号、用户名等等内容。
通常情况下该表是空的，当有用户登录时，就将其ID号写入该表，手动退出时，清除表中记录。
这样当要显示在线用户列表时，只需要遍历这个表就行。
还有一种方法是在创建用户信息表时，预留一个字段为：on_line，其类项为布尔型，默认值是false。当对应用户登录时，将该值update为true，当用户手动退出时将该值重置为false。
这样，当要显示在线用户时，直接遍历用户表时使用条件where on_line=true即可。
可以的，自己做的PHP函数可以实现。
用法
1先导入这个文件，include pinyinphp
2,使用函数转换，在echo后写入待转换中文，即可输出为汉字的拼音形式。全部为字母。
3,echo('汉字转换拼音')---输出为hanzizhuanhuanpinyin
PHP汉字转换函数文件pinyinphp如下。如果想编辑，可使用editplus打开。
<php function Pinyin($_String, $_Code='gb2312') { $_DataKey = "a|ai|an|ang|ao|ba|bai|ban|bang|bao|bei|ben|beng|bi|bian|biao|bie|bin|bing|bo|bu|ca|cai|can|cang|cao|ce|ceng|cha" "|chai|chan|chang|chao|che|chen|cheng|chi|chong|chou|chu|chuai|chuan|chuang|chui|chun|chuo|ci|cong|cou|cu|" "cuan|cui|cun|cuo|da|dai|dan|dang|dao|de|deng|di|dian|diao|die|ding|diu|dong|dou|du|duan|dui|dun|duo|e|en|er" "|fa|fan|fang|fei|fen|feng|fo|fou|fu|ga|gai|gan|gang|gao|ge|gei|gen|geng|gong|gou|gu|gua|guai|guan|guang|gui" "|gun|guo|ha|hai|han|hang|hao|he|hei|hen|heng|hong|hou|hu|hua|huai|huan|huang|hui|hun|huo|ji|jia|jian|jiang" "|jiao|jie|jin|jing|jiong|jiu|ju|juan|jue|jun|ka|kai|kan|kang|kao|ke|ken|keng|kong|kou|ku|kua|kuai|kuan|kuang" "|kui|kun|kuo|la|lai|lan|lang|lao|le|lei|leng|li|lia|lian|liang|liao|lie|lin|ling|liu|long|lou|lu|lv|luan|lue" "|lun|luo|ma|mai|man|mang|mao|me|mei|men|meng|mi|mian|miao|mie|min|ming|miu|mo|mou|mu|na|nai|nan|nang|nao|ne" "|nei|nen|neng|ni|nian|niang|niao|nie|nin|ning|niu|nong|nu|nv|nuan|nue|nuo|o|ou|pa|pai|pan|pang|pao|pei|pen" "|peng|pi|pian|piao|pie|pin|ping|po|pu|qi|qia|qian|qiang|qiao|qie|qin|qing|qiong|qiu|qu|quan|que|qun|ran|rang" "|rao|re|ren|reng|ri|rong|rou|ru|ruan|rui|run|ruo|sa|sai|san|sang|sao|se|sen|seng|sha|shai|shan|shang|shao|" "she|shen|sheng|shi|shou|shu|shua|shuai|shuan|shuang|shui|shun|shuo|si|song|sou|su|suan|sui|sun|suo|ta|tai|" "tan|tang|tao|te|teng|ti|tian|tiao|tie|ting|tong|tou|tu|tuan|tui|tun|tuo|wa|wai|wan|wang|wei|wen|weng|wo|wu" "|xi|xia|xian|xiang|xiao|xie|xin|xing|xiong|xiu|xu|xuan|xue|xun|ya|yan|yang|yao|ye|yi|yin|ying|yo|yong|you" "|yu|yuan|yue|yun|za|zai|zan|zang|zao|ze|zei|zen|zeng|zha|zhai|zhan|zhang|zhao|zhe|zhen|zheng|zhi|zhong|" "zhou|zhu|zhua|zhuai|zhuan|zhuang|zhui|zhun|zhuo|zi|zong|zou|zu|zuan|zui|zun|zuo"; $_DataValue = "-20319|-20317|-20304|-20295|-20292|-20283|-20265|-20257|-20242|-20230|-20051|-20036|-20032|-20026|-20002|-19990" "|-19986|-19982|-19976|-19805|-19784|-19775|-19774|-19763|-19756|-19751|-19746|-19741|-19739|-19728|-19725" "|-19715|-19540|-19531|-19525|-19515|-19500|-19484|-19479|-19467|-19289|-19288|-19281|-19275|-19270|-19263" "|-19261|-19249|-19243|-19242|-19238|-19235|-19227|-19224|-19218|-19212|-19038|-19023|-19018|-19006|-19003" "|-18996|-18977|-18961|-18952|-18783|-18774|-18773|-18763|-18756|-18741|-18735|-18731|-18722|-18710|-18697" "|-18696|-18526|-18518|-18501|-18490|-18478|-18463|-18448|-18447|-18446|-18239|-18237|-18231|-18220|-18211" "|-18201|-18184|-18183|-18181|-18012|-17997|-17988|-17970|-17964|-17961|-17950|-17947|-17931|-17928|-17922" "|-17759|-17752|-17733|-17730|-17721|-17703|-17701|-17697|-17692|-17683|-17676|-17496|-17487|-17482|-17468" "|-17454|-17433|-17427|-17417|-17202|-17185|-16983|-16970|-16942|-16915|-16733|-16708|-16706|-16689|-16664" "|-16657|-16647|-16474|-16470|-16465|-16459|-16452|-16448|-16433|-16429|-16427|-16423|-16419|-16412|-16407" "|-16403|-16401|-16393|-16220|-16216|-16212|-16205|-16202|-16187|-16180|-16171|-16169|-16158|-16155|-15959" "|-15958|-15944|-15933|-15920|-15915|-15903|-15889|-15878|-15707|-15701|-15681|-15667|-15661|-15659|-15652" "|-15640|-15631|-15625|-15454|-15448|-15436|-15435|-15419|-15416|-15408|-15394|-15385|-15377|-15375|-15369" "|-15363|-15362|-15183|-15180|-15165|-15158|-15153|-15150|-15149|-15144|-15143|-15141|-15140|-15139|-15128" "|-15121|-15119|-15117|-15110|-15109|-14941|-14937|-14933|-14930|-14929|-14928|-14926|-14922|-14921|-14914" "|-14908|-14902|-14894|-14889|-14882|-14873|-14871|-14857|-14678|-14674|-14670|-14668|-14663|-14654|-14645" "|-14630|-14594|-14429|-14407|-14399|-14384|-14379|-14368|-14355|-14353|-14345|-14170|-14159|-14151|-14149" "|-14145|-14140|-14137|-14135|-14125|-14123|-14122|-14112|-14109|-14099|-14097|-14094|-14092|-14090|-14087" "|-14083|-13917|-13914|-13910|-13907|-13906|-13905|-13896|-13894|-13878|-13870|-13859|-13847|-13831|-13658" "|-13611|-13601|-13406|-13404|-13400|-13398|-13395|-13391|-13387|-13383|-13367|-13359|-13356|-13343|-13340" "|-13329|-13326|-13318|-13147|-13138|-13120|-13107|-13096|-13095|-13091|-13076|-13068|-13063|-13060|-12888" "|-12875|-12871|-12860|-12858|-12852|-12849|-12838|-12831|-12829|-12812|-12802|-12607|-12597|-12594|-12585" "|-12556|-12359|-12346|-12320|-12300|-12120|-12099|-12089|-12074|-12067|-12058|-12039|-11867|-11861|-11847" "|-11831|-11798|-11781|-11604|-11589|-11536|-11358|-11340|-11339|-11324|-11303|-11097|-11077|-11067|-11055" "|-11052|-11045|-11041|-11038|-11024|-11020|-11019|-11018|-11014|-10838|-10832|-10815|-10800|-10790|-10780" "|-10764|-10587|-10544|-10533|-10519|-10331|-10329|-10328|-10322|-10315|-10309|-10307|-10296|-10281|-10274" "|-10270|-10262|-10260|-10256|-10254";
$_TDataKey = explode('|', $_DataKey);
$_TDataValue = explode('|', $_DataValue);
$_Data = (PHP_VERSION>='50') array_combine($_TDataKey, $_TDataValue) : _Array_Combine($_TDataKey, $_TDataValue);
arsort($_Data);
reset($_Data);
if($_Code != 'gb2312') $_String = _U2_Utf8_gb($_String);
$_Res = '';
for($i=0;$i<strlen($_String);$i++){
$_P = ord(substr($_String, $i, 1));
if($_P>160){
$_Q = ord(substr($_String, ++$i, 1));
$_P = $_P256 + $_Q - 65536;
}
$_Res =_Pinyin($_P, $_Data);
}
$cls_str=array("!","@","#","$","%","^","&","","(",")","~","<",">","{","}","[","]","",",","","/","\\","|","+"," ");
return str_replace($cls_str,"",$_Res);//preg_replace("/[^a-z0-9]/", '', $_Res);
}
function _Pinyin($_Num, $_Data) {
if ($_Num>0 && $_Num<160 ) return chr($_Num);
elseif($_Num<-20319 || $_Num>-10247) return '';
else {
foreach($_Data as $k=>$v){ if($v<=$_Num) break;
} // return "_"$k;
return $k;
}
} function _U2_Utf8_gb($_C) {
$_String = '';
if($_C < 0x80) $_String = $_C;
elseif($_C < 0x800) {
$_String = chr(0xC0 | $_C>>6);
$_String = chr(0x80 | $_C & 0x3F);
}elseif($_C < 0x10000){
$_String = chr(0xE0 | $_C>>12);
$_String = chr(0x80 | $_C>>6 & 0x3F);
$_String = chr(0x80 | $_C & 0x3F);
} elseif($_C < 0x200000) {
$_String = chr(0xF0 | $_C>>18);
$_String = chr(0x80 | $_C>>12 & 0x3F);
$_String = chr(0x80 | $_C>>6 & 0x3F);
$_String = chr(0x80 | $_C & 0x3F);
} return iconv('UTF-8', 'gb2312', $_String);
}
function _Array_Combine($_Arr1, $_Arr2) {
for($i=0;$i<count($_Arr1);$i++) $_Res[$_Arr1[$i]] = $_Arr2[$i];
return $_Res;
}
echo Pinyin('汉字转拼音测试');
//默认是gb编码
>
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