PHP实现汉字或英文按照首字母查找
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2022-03-21 20:24:37
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/** * */ function getfirstchar($s0){ if($s0[0]=='I' || $s[0]=='i'){ return "I"; }elseif($s0[0]=='U' || $s[0]=='u'){ return 'U'; }elseif($s0[0]=='V' || $s[0]=='v'){ return 'V'; }else{ $fchar = ord($s0{0}); if($fchar >= ord("A") and $fchar = -20319 and $asc = -20283 and $asc = -19775 and $asc = -19218 and $asc = -18710 and $asc = -18526 and $asc = -18239 and $asc = -17922 and $asc = -17417 and $asc = -16474 and $asc = -16212 and $asc = -15640 and $asc = -15165 and $asc = -14922 and $asc = -14914 and $asc = -14630 and $asc = -14149 and $asc = -14090 and $asc = -13318 and $asc = -12838 and $asc = -12556 and $asc = -11847 and $asc = -11055 and $asc