这篇文章主要介绍了php实现姓名根据首字母排序的类与方法，代码简单易懂，非常不错，具有一定的参考借鉴价值，需要的朋友参考下吧
php将名字按首字母进行排序，具体代码如下所示：
<?phppublic function getfirstchar($s){$s0 = mb_substr($s,0,3); //获取名字的姓$s = iconv('utf-8','gb2312', $s0); //将utf-8转换成gb2312编码//dump($s0);if (ord($s0)>128) { //汉字开头，汉字没有以u、v开头的$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 $asc<=-17760)return "g";if($asc>=-17759 and $asc<=-17248)return "h";if($asc>=-17247 and $asc<=-17418)return "i";if($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 $asc<=-10247)return "z";}else if(ord($s)>=48 and ord($s)<=57){ //数字开头switch(iconv_substr($s,0,1,'utf-8')){case 1:return "y";case 2:return "e";case 3:return "s";case 4:return "s";case 5:return "w";case 6:return "l";case 7:return "q";case 8:return "b";case 9:return "j";case 0:return "l";}}else if(ord($s)>=65 and ord($s)<=90){ //大写英文开头return substr($s,0,1);}else if(ord($s)>=97 and ord($s)<=122){ //小写英文开头return strtoupper(substr($s,0,1));}else{return iconv_substr($s0,0,1,'utf-8');//中英混合的词语，不适合上面的各种情况，因此直接提取首个字符即可}}public function addpeople(){$username = array('张三','马大帅','李四','王五','小二','猫蛋','狗蛋','王花','三毛','小明','李刚','张飞');sort($username);foreach($username as $name){$char = $this->getfirstchar($name);$namearray = array();if(count($chararray[$char])!=0){$namearray = $chararray[$char];}array_push($namearray,$name);$chararray[$char] = $namearray;}ksort($chararray);$this->assign('_list',$chararray);}
页面显示
<foreach name="_list" item="vo" key="k"><p>{$k}</p><foreach name="vo" item="l"><span class="name">{$l}</span></foreach></foreach>
总结
以上所述是小编给大家介绍的php实现姓名根据首字母排序的类与方法，希望对大家有所帮助，如果大家有任何疑问请给我留言，小编会及时回复大家的。在此也非常感谢大家对的支持！
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以上就是php实现姓名根据首字母排序的类与方法(实例代码)php实例的详细内容。