获取汉字的拼音首字母,汉字字符串转换成以拼音首字母组成的字符串

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获取汉字的拼音首字母

function get_first_char($word){    $first_char = ord($word{0});    if($first_char >= ord("A") and $first_char <= ord("z") )return strtoupper($word{0});    $word_gb = iconv("UTF-8","gb2312", $word);    $word_utf = iconv("gb2312","UTF-8", $word_gb);    if($word_utf == $word){$s = $word_gb;}else{$s = $word;}    $asc = ord($s{0}) * 256 + ord($s{1}) - 65536;    if($asc >= -20319 and $asc <= -20284) return "A";    if($asc >= -20283 and $asc <= -19776) return "B";    if($asc >= -19775 and $asc <= -19219) return "C";    if($asc >= -19218 and $asc <= -18711) return "D";    if($asc >= -18710 and $asc <= -18527) return "E";    if($asc >= -18526 and $asc <= -18240) return "F";    if($asc >= -18239 and $asc <= -17923) return "G";    if($asc >= -17922 and $asc <= -17418) return "H";    if($asc >= -17417 and $asc <= -16475) return "J";    if($asc >= -16474 and $asc <= -16213) return "K";    if($asc >= -16212 and $asc <= -15641) return "L";    if($asc >= -15640 and $asc <= -15166) return "M";    if($asc >= -15165 and $asc <= -14923) return "N";    if($asc >= -14922 and $asc <= -14915) return "O";    if($asc >= -14914 and $asc <= -14631) return "P";    if($asc >= -14630 and $asc <= -14150) return "Q";    if($asc >= -14149 and $asc <= -14091) return "R";    if($asc >= -14090 and $asc <= -13319) return "S";    if($asc >= -13318 and $asc <= -12839) return "T";    if($asc >= -12838 and $asc <= -12557) return "W";    if($asc >= -12556 and $asc <= -11848) return "X";    if($asc >= -11847 and $asc <= -11056) return "Y";    if($asc >= -11055 and $asc <= -10247) return "Z";    return null;}
汉字字符串转换成以拼音首字母组成的字符串

function pinyin($zh){    $ret = "";    $word_gb = iconv("UTF-8","gb2312", $zh);    $word_utf = iconv("gb2312","UTF-8", $word_gb);    if($word_utf == $zh){$zh = $word_gb;}    for($i = 0; $i < strlen($zh); $i++){        $word_gb = substr($zh,$i,1);        $p = ord($word_gb);        if($p > 160){            $word_utf = substr($zh,$i++,2);            $ret .= get_first_char($word_utf);        }else{            $ret .= $word_gb;        }    }    return $ret;}

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