php汉字转首字母大写的实现方法:首先创建一个php示例文件;然后定义一个“getfirstchar”方法用于获取汉字拼音且将首字母转为大写;最后通过echo输出转换结果即可。
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php 获取汉字拼音首字母大写
<?php function getfirstchar($s0) { $fchar = ord(substr($s0, 0, 1)); if (($fchar >= ord("a") and $fchar <= ord("z"))or($fchar >= ord("a") and $fchar <= ord("z"))) return strtoupper(chr($fchar)); $s = iconv("utf-8", "gbk", $s0); $asc = ord($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 $asc <= -10247)return "z"; return null;} function mb_str_split($string) { return preg_split('/(?<!^)(?!$)/u', $string);} function get_letter($string) { $charlist = mb_str_split($string); return implode(array_map("getfirstchar", $charlist));}echo get_letter("刹车片");?>
结果:
scp
以上就是php 汉字如何转首字母大写的详细内容。