PHP 截取中文(UTF8版)
function subtitle($string,$length) {
?if (mb_strwidth($string, 'utf8') ??return $string;
?}else{
??$i = 0;
??$len_word = 0;
??while ($len_word ???$stringtmp = substr($string,$i,1);
???if ( ord($stringtmp) >=224 ){
????$stringtmp = substr($string,$i,3);
????$i = $i + 3;
????$len_word = $len_word + 2;
???}elseif( ord($stringtmp) >=192 ){
????$stringtmp = substr($string,$i,2);
????$i = $i + 2;
????$len_word = $len_word + 2;
???}else{
????$i = $i + 1;
????$len_word = $len_word + 1;
???}
???$stringlast[] = $stringtmp;
??}
??/* raywang edit it for dirk for (es/index.php)*/
??if (is_array($stringlast) && !empty($stringlast)){
???$stringlast = implode("",$stringlast);
???$stringlast .= "...";
??}
??return $stringlast;
?}
}
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