PHP常用函数之获取汉字首字母功能示例

 //获取汉字的首字母 function getFirstCharters($str) { if (empty($str)) { return ''; } //取出参数字符串中的首个字符 $temp_str = substr($str,0,1); if(ord($temp_str) > 127){ $str = substr($str,0,3); }else{ $str = $temp_str; $fchar = ord($str{0}); if ($fchar >= ord('A') && $fchar = -20319 && $asc = -20283 && $asc = -19775 && $asc = -19218 && $asc = -18710 && $asc = -18526 && $asc = -18239 && $asc = -17922 && $asc = -17417 && $asc = -16474 && $asc = -16212 && $asc = -15640 && $asc = -15165 && $asc = -14922 && $asc = -14914 && $asc = -14630 && $asc = -14149 && $asc = -14090 && $asc = -13318 && $asc = -12838 && $asc = -12556 && $asc = -11847 && $asc = -11055 && $asc array('word'=>"窦",'first_char'=>'D'), -8503=>array('word'=>"奚",'first_char'=>'X'), -9286=>array('word'=>"酆",'first_char'=>'F'), -7761=>array('word'=>"岑",'first_char'=>'C'), -5128=>array('word'=>"滕",'first_char'=>'T'), -9479=>array('word'=>"邬",'first_char'=>'W'), -5456=>array('word'=>"臧",'first_char'=>'Z'), -7223=>array('word'=>"闵",'first_char'=>'M'), -2877=>array('word'=>"裘",'first_char'=>'Q'), -6191=>array('word'=>"缪",'first_char'=>'M'), -5414=>array('word'=>"贲",'first_char'=>'B'), -4102=>arr<strong style="color:transparent">来源gaodai#ma#com搞@代~码网</strong>ay('word'=>"嵇",'first_char'=>'J'), -8969=>array('word'=>"荀",'first_char'=>'X'), -4938=>array('word'=>"於",'first_char'=>'Y'), -9017=>array('word'=>"芮",'first_char'=>'R'), -2848=>array('word'=>"羿",'first_char'=>'Y'), -9477=>array('word'=>"邴",'first_char'=>'B'), -9485=>array('word'=>"隗",'first_char'=>'K'), -6731=>array('word'=>"宓",'first_char'=>'M'), -9299=>array('word'=>"郗",'first_char'=>'X'), -5905=>array('word'=>"栾",'first_char'=>'L'), -4393=>array('word'=>"钭",'first_char'=>'T'), -9300=>array('word'=>"郜",'first_char'=>'G'), -8706=>array('word'=>"蔺",'first_char'=>'L'), -3613=>array('word'=>"胥",'first_char'=>'X'), -8777=>array('word'=>"莘",'first_char'=>'S'), -6708=>array('word'=>"逄",'first_char'=>'P'), -9302=>array('word'=>"郦",'first_char'=>'L'), -5965=>array('word'=>"璩",'first_char'=>'Q'), -6745=>array('word'=>"濮",'first_char'=>'P'), -4888=>array('word'=>"扈",'first_char'=>'H'), -9309=>array('word'=>"郏",'first_char'=>'J'), -5428=>array('word'=>"晏",'first_char'=>'Y'), -2849=>array('word'=>"暨",'first_char'=>'J'), -7206=>array('word'=>"阙",'first_char'=>'Q'), -4945=>array('word'=>"殳",'first_char'=>'S'), -9753=>array('word'=>"夔",'first_char'=>'K'), -10041=>array('word'=>"厍",'first_char'=>'S'), -5429=>array('word'=>"晁",'first_char'=>'C'), -2396=>array('word'=>"訾",'first_char'=>'Z'), -7205=>array('word'=>"阚",'first_char'=>'K'), -10049=>array('word'=>"乜",'first_char'=>'N'), -10015=>array('word'=>"蒯",'first_char'=>'K'), -3133=>array('word'=>"竺",'first_char'=>'Z'), -6698=>array('word'=>"逯",'first_char'=>'L'), -9799=>array('word'=>"俟",'first_char'=>'Q'), -6749=>array('word'=>"澹",'first_char'=>'T'), -7220=>array('word'=>"闾",'first_char'=>'L'), -10047=>array('word'=>"亓",'first_char'=>'Q'), -10005=>array('word'=>"仉",'first_char'=>'Z'), -3417=>array('word'=>"颛",'first_char'=>'Z'), -6431=>array('word'=>"驷",'first_char'=>'S'), -7226=>array('word'=>"闫",'first_char'=>'Y'), -9293=>array('word'=>"鄢",'first_char'=>'Y'), -6205=>array('word'=>"缑",'first_char'=>'G'), -9764=>array('word'=>"佘",'first_char'=>'S'), -9818=>array('word'=>"佴",'first_char'=>'N'), -9509=>array('word'=>"谯",'first_char'=>'Q'), -3122=>array('word'=>"笪",'first_char'=>'D'), -9823=>array('word'=>"佟",'first_char'=>'T'), ); if(array_key_exists($asc, $rare_arr) && $rare_arr[$asc]['first_char']){ return $rare_arr[$asc]['first_char'] ; }else{ return null; } } //测试： echo getFirstCharters('窦');