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PHP Chinese character interception function_PHP tutorial
- WBOYOriginal
- 2016-07-15 13:22:091258browse
Chinese character interception function
//The string to be intercepted, $num the length to be intercepted, return the intercepted string
public function substrgb($in,$num)
{
//$num=16;
$pos=0;
$bytenum=0;
$out="";
while($num){
$c=mb_substr($in,$pos,1,"euc-jp");
if($c=="n") break;
if(strlen($c)==1){
$pos++;
$bytenum++;
if($bytenum>$num) break;
$out.=$c;
}
else
{
$pos++;
$bytenum=$bytenum+2;
if($bytenum>$num) break;
$out.=$c;
}
}
return $out;
}
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