PHP实现将汉字转换为拼音及获取词语首字母的方法
本文实例讲述了PHP实现将汉字转换为拼音及获取词语首字母的方法。分享给大家供大家参考，具体如下：
最近要开发将汉字转换为拼音和得到首字的功能记录下来哈子：呵呵~
classPinyin{
private$_outEncoding="GB2312";
publicfunctiongetPinyin($str,$pix='',$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);
$data=(PHP_VERSION>='5.0')?array_combine($_TDataKey,$_TDataValue):$this->_Array_Combine($_TDataKey,$_TDataValue);
arsort($data);
reset($data);
$str=$this->safe_encoding($str);
$_Res='';
for($i=0;$i160){
$_Q=ord(substr($str,++$i,1));
$_P=$_P*256+$_Q-65536;
}
$_Res.=$this->_Pinyin($_P,$data).$pix;
}
returnpreg_replace("/[^a-z0-9".$pix."]*/",'',$_Res);
}
privatefunction_Pinyin($_Num,$_Data){
if($_Num>0&&$_Num<160)
returnchr($_Num);
elseif($_Num<-20319||$_Num>-10247)
return'';
else{
foreach($_Dataas$k=>$v){
if($v<=$_Num)
break;
}
return$k;
}
}
publicfunctiongetFirstChar($str=''){
if(!$str)returnnull;
$fchar=ord($str{0});
if($fchar>=ord("A")and$fchar<=ord("z"))returnstrtoupper($str{0});
$s=$this->safe_encoding($str);
$asc=ord($s{0})*256+ord($s{1})-65536;
if($asc>=-20319and$asc<=-20284)return"A";
if($asc>=-20283and$asc<=-19776)return"B";
if($asc>=-19775and$asc<=-19219)return"C";
if($asc>=-19218and$asc<=-18711)return"D";
if($asc>=-18710and$asc<=-18527)return"E";
if($asc>=-18526and$asc<=-18240)return"F";
if($asc>=-18239and$asc<=-17923)return"G";
if($asc>=-17922and$asc<=-17418)return"H";
if($asc>=-17417and$asc<=-16475)return"J";
if($asc>=-16474and$asc<=-16213)return"K";
if($asc>=-16212and$asc<=-15641)return"L";
if($asc>=-15640and$asc<=-15166)return"M";
if($asc>=-15165and$asc<=-14923)return"N";
if($asc>=-14922and$asc<=-14915)return"O";
if($asc>=-14914and$asc<=-14631)return"P";
if($asc>=-14630and$asc<=-14150)return"Q";
if($asc>=-14149and$asc<=-14091)return"R";
if($asc>=-14090and$asc<=-13319)return"S";
if($asc>=-13318and$asc<=-12839)return"T";
if($asc>=-12838and$asc<=-12557)return"W";
if($asc>=-12556and$asc<=-11848)return"X";
if($asc>=-11847and$asc<=-11056)return"Y";
if($asc>=-11055and$asc<=-10247)return"Z";
returnnull;
}
functionsafe_encoding($string){
$encoding="UTF-8";
for($i=0;$i_outEncoding))
return$string;
else
returniconv($encoding,$this->_outEncoding,$string);
}
privatefunction_Array_Combine($_Arr1,$_Arr2){
for($i=0;$i
测试代码如下：
$pinyin=newPinyin();
echo$pinyin->getFirstChar("湖北武汉")."
";
echo$pinyin->getPinyin("北上广")."
";
echo$pinyin->getPinyin("火影")."
";
echo$pinyin->getFirstChar("获得")."
";
echo$pinyin->getFirstChar("TOM")."
";
运行结果：
H
beishangguang
huoying
H
T
PS：这里再为大家提供几款本站拼音与字母相关工具供大家参考：
在线中英文根据首字母排序工具：
http://tools.jb51.net/aideddesign/zh_paixu
在线汉字转换成拼音工具：
http://tools.jb51.net/transcoding/pinyin