PHP实现获取中英文首字母_PHP教程

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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

$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

if($asc >= -20283 and $asc

if($asc >= -19775 and $asc

if($asc >= -19218 and $asc

if($asc >= -18710 and $asc

if($asc >= -18526 and $asc

if($asc >= -18239 and $asc

if($asc >= -17922 and $asc

if($asc >= -17417 and $asc

if($asc >= -16474 and $asc

if($asc >= -16212 and $asc

if($asc >= -15640 and $asc

if($asc >= -15165 and $asc

if($asc >= -14922 and $asc

if($asc >= -14914 and $asc

if($asc >= -14630 and $asc

if($asc >= -14149 and $asc

if($asc >= -14090 and $asc

if($asc >= -13318 and $asc

if($asc >= -12838 and $asc

if($asc >= -12556 and $asc

if($asc >= -11847 and $asc

if($asc >= -11055 and $asc

return null;

}

}