php 获取每个汉字的拼音首字母
1 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> 2 <?php 3 function getfirstchar($s0){ 4 $fchar = ord($s0{0}); 5 if($fchar >= ord("A") and $fchar <= ord("z") )return strtoupper($s0{0}); 6 $s1 = $s0; 7 $s2 = $s1; 8 //$s1 = iconv("UTF-8","gb2312", $s0); 9 //$s2 = iconv("gb2312","UTF-8", $s1); 10 if($s2 == $s0){$s = $s1;}else{$s = $s0;} 11 $asc = ord($s{0}) * 256 + ord($s{1}) - 65536; 12 if($asc >= -20319 and $asc <= -20284) return "A"; 13 if($asc >= -20283 and $asc <= -19776) return "B"; 14 if($asc >= -19775 and $asc <= -19219) return "C"; 15 if($asc >= -19218 and $asc <= -18711) return "D"; 16 if($asc >= -18710 and $asc <= -18527) return "E"; 17 if($asc >= -18526 and $asc <= -18240) return "F"; 18 if($asc >= -18239 and $asc <= -17923) return "G"; 19 if($asc >= -17922 and $asc <= -17418) return "I"; 20 if($asc >= -17417 and $asc <= -16475) return "J"; 21 if($asc >= -16474 and $asc <= -16213) return "K"; 22 if($asc >= -16212 and $asc <= -15641) return "L"; 23 if($asc >= -15640 and $asc <= -15166) return "M"; 24 if($asc >= -15165 and $asc <= -14923) return "N"; 25 if($asc >= -14922 and $asc <= -14915) return "O"; 26 if($asc >= -14914 and $asc <= -14631) return "P"; 27 if($asc >= -14630 and $asc <= -14150) return "Q"; 28 if($asc >= -14149 and $asc <= -14091) return "R"; 29 if($asc >= -14090 and $asc <= -13319) return "S"; 30 if($asc >= -13318 and $asc <= -12839) return "T"; 31 if($asc >= -12838 and $asc <= -12557) return "W"; 32 if($asc >= -12556 and $asc <= -11848) return "X"; 33 if($asc >= -11847 and $asc <= -11056) return "Y"; 34 if($asc >= -11055 and $asc <= -10247) return "Z"; 35 return null; 36 } 37 38 39 function pinyin1($zh){ 40 $ret = ""; 41 $s1 = iconv("UTF-8","gb2312", $zh); 42 $s2 = iconv("gb2312","UTF-8", $s1); 43 if($s2 == $zh){$zh = $s1;} 44 for($i = 0; $i < strlen($zh); $i++){ 45 $s1 = substr($zh,$i,1); 46 $p = ord($s1); 47 if($p > 160){ 48 $s2 = substr($zh,$i++,2); 49 $ret .= getfirstchar($s2); 50 }else{ 51 $ret .= $s1; 52 } 53 } 54 return $ret; 55 } 56 echo "测试123aaa<br/>"; 57 echo pinyin1('测试123aaa'); 58 59 ?>