PHP implementation to obtain Chinese and English initials_PHP tutorial

PHP implementation to obtain the initial letters of Chinese and English characters

This article shares with you a simple method and example of extracting the first letters of Chinese and English characters using PHP. It is very useful and has Friends who need it can refer to it.

PHP implements obtaining Chinese and English letters according to the initials

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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 $fchar <= ord("z") )return strtoupper($s0{0}); $s1 = iconv("UTF-8","gb2312", $s0); $s2 = iconv("gb2312","UTF-8", $s1); if($s2 == $s0){$s = $s1;}else{$s = $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; } }

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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 $fchar <= ord("z") )return strtoupper($s0{0});<🎜> <🎜>$s1 = iconv("UTF-8","gb2312", $s0);<🎜> <🎜>$s2 = iconv("gb2312","UTF-8", $s1);<🎜> <🎜>if($s2 == $s0){$s = $s1;}else{$s = $s0;}<🎜> <🎜>$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; } }

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http://www.bkjia.com/PHPjc/1018927.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/1018927.htmlTechArticlePHP implementation of obtaining the first letters of Chinese and English characters. This article shares with you a simple implementation of extracting the first letters of Chinese and English characters using PHP. The methods and examples of letters are very useful. Friends in need can...