以下為引用的內容:
<?php /* * @author: zhuyubing@gmail.com */ $dict=array( 'a'=>0xB0C4, 'b'=>0xB2C0, 'c'=>0xB4ED, 'd'=>0xB6E9, 'e'=>0xB7A1, 'f'=>0xB8C0, 'g'=>0xB9FD, 'h'=>0xBBF6, 'j'=>0xBFA5, 'k'=>0xC0AB, 'l'=>0xC2E7, 'm'=>0xC4C2, 'n'=>0xC5B5, 'o'=>0xC5BD, 'p'=>0xC6D9, 'q'=>0xC8BA, 'r'=>0xC8F5, 's'=>0xCBF9, 't'=>0xCDD9, 'w'=>0xCEF3, 'x'=>0xD188, 'y'=>0xD4D0, 'z'=>0xD7F9, ); //取GB2312字符串首字母,原理是GBK漢字是按拼音順序編碼的. function get_letter($input) { global $dict; $str_1 = substr($input, 0, 1); if ($str_1 >= chr(0x81) && $str_1 <= chr(0xfe)) { $num = hexdec(bin2hex(substr($input, 0, 2))); foreach ($dict as $k=>$v){ if($v>=$num) break; } return $k; } else{ return $str_1; } }
echo get_letter('中'); echo get_letter('華'); echo get_letter('人'); echo get_letter('民'); echo get_letter('共'); echo get_letter('和'); echo get_letter('國'); echo get_letter('萬歲'); echo get_letter('c'); echo get_letter('h'); echo get_letter('i'); echo get_letter('n'); echo get_letter('a'); /**/ ?>
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