Php-tools for initials of Chinese characters and pinyin

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 Abc123 * Chinese string: return the first character of pinyin, eg. test string => CSZFC * English-Chinese mix string: returns the first character of pinyin and the English eg. I j => WIWJ * eg. * $ py = new str2PY (); ** $ result = $ py-> getInitials ('Jay Chou '); ** // get the first letter * $ result = $ py-> getFirstString ('ABC'); // A * $ resutl = $ py-> getFirstString ("Jay Chou "); // Z **/class str2py {private $ _ pinyins = array (176161 => 'A', 176197 => 'B', 178193 => 'C ', 180238 => 'D', 182234 => 'e', 183162 => 'F', 184193 => 'G', 185254 => 'h', 1 87247 => 'J', 191166 => 'K', 192172 => 'L', 194232 => 'm', 196195 => 'N ', 197182 => 'O', 197190 => 'P', 198218 => 'Q', 200187 => 'R', 200246 =>'s ', 203250 => 'T', 205218 => 'W', 206244 => 'X', 209185 => 'y', 212209 => 'Z ',); private $ _ charset = null;/*** constructor, specifying the required encoding default: UTF-8 * supports UTF-8, gb2312 ** @ param unknown_type $ charset */public function _ construct ($ charset = 'utf-8') {$ this-> _ Charset = $ charset ;} /*** Chinese character string substr ** @ param string $ str * @ param int $ start * @ param int $ len * @ return string */private function _ msubstr ($ str, $ start, $ len) {$ start = $ start * 2; $ len = $ len * 2; $ strlen = strlen ($ str); $ result = ''; for ($ I = 0; $ I <$ strlen; $ I ++) {if ($ I >=$ start & $ I <($ start + $ len )) {if (ord (substr ($ str, $ I, 1)> 129) {$ result. = substr ($ str, $ I, 2);} els E {$ result. = substr ($ str, $ I, 1) ;}} if (ord (substr ($ str, $ I, 1)> 129) {$ I ++ ;}} return $ result;}/*** the string is partitioned into arrays (in Chinese characters or characters) ** @ param string $ str * @ return array */private function _ cutWord ($ str) {$ words = array (); while ($ str! = "") {If ($ this-> _ isAscii ($ str) {/* non-Chinese */$ words [] = $ str [0]; $ str = substr ($ str, strlen ($ str [0]);} else {$ word = $ this-> _ msubstr ($ str, 0, 1 ); $ words [] = $ word; $ str = substr ($ str, strlen ($ word);} return $ words ;} /*** determine whether the character is an ascii character ** @ param string $ char * @ return bool */private function _ isAscii ($ char) {return (ord (substr ($ char, 0, 1) <160);}/*** determines whether the first three characters of the string are ascii characters ** @ p Aram string $ str * @ return bool */private function _ isAsciis ($ str) {$ len = strlen ($ str) >=3? 3: 2; $ chars = array (); for ($ I = 1; $ I <$ len-1; $ I ++) {$ chars [] = $ this-> _ isAscii ($ str [$ I])? 'Yes': 'no';} $ result = array_count_values ($ chars); if (empty ($ result ['no']) {return true;} return false ;} /*** get the first character of a Chinese string ** @ param string $ str * @ return string */public function getInitials ($ str) {if (empty ($ str )) return ''; if ($ this-> _ isAscii ($ str [0]) & $ this-> _ isAsciis ($ str) {return $ str ;} $ result = array (); if ($ this-> _ charset = 'utf-8') {$ str = iconv ('utf-8', 'gb2312 ', $ st R) ;}$ words =$ this-> _ cutWord ($ str); foreach ($ words as $ word) {if ($ this-> _ isAscii ($ word )) {/* non-Chinese */$ result [] = $ word; continue;} $ code = ord (substr ($ word, 0, 1 )) * 1000 + ord (substr ($ word, 1, 1 )); /* get Pinyin initial A--Z */if ($ I = $ this-> _ search ($ code ))! =-1) {$ result [] = $ this-> _ pinyins [$ I] ;}} return strtoupper (implode ('', $ result ));} /*** get the first letter of wangtianbao * @ param string $ str * @ return string */public function getFirstString ($ str) {// Convert Chinese characters to $ new_string = $ this-> getInitials ($ str); if (empty ($ new_string) {return '';} else {return strtoupper (substr ($ new_string, 0, 1) ;}} private function _ getChar ($ ascii) {if ($ ascii> = 48 & $ Ascii <= 57) {return chr ($ ascii);/* number */} elseif ($ ascii> = 65 & $ ascii <= 90) {return chr ($ ascii);/* A--Z */} elseif ($ ascii> = 97 & $ ascii <= 122) {return chr ($ ascii-32 ); /* a -- z */} else {return '-';/* other */}/*** search for the required Chinese character internal code (gb2312) corresponding Pinyin characters (bipartite) ** @ param int $ code * @ return int */private function _ search ($ code) {$ data = array_keys ($ this-> _ pinyins); $ lower = 0; $ uppe R = sizeof ($ data)-1; $ middle = (int) round ($ lower + $ upper)/2); if ($ code <$ data [0]) return-1; for (;) {if ($ lower> $ upper) {return $ data [$ lower-1];} $ tmp = (int) round ($ lower + $ upper)/2); if (! Isset ($ data [$ tmp]) {return $ data [$ middle];} else {$ middle = $ tmp ;} if ($ data [$ middle] <$ code) {$ lower = (int) $ middle + 1;} else if ($ data [$ middle] = $ code) {return $ data [$ middle];} else {$ upper = (int) $ middle-1 ;}}}}

The above introduces the php-Chinese character and Pinyin initials tool class, including some content, hope to be helpful to friends who are interested in PHP tutorials.