//匹配出图片preg_match_all(/(]*>)/ius,$str,$imgs);preg_match_all(/(.*)/ius,$str,$links);//替换图片和链接if($links[1]){foreach($links[1] as $k=>$v){$str=str_replace($v,@links_$k,$str);}}if($imgs[1]){foreach($imgs[1] as $k=>$v){$str=str_replace($v,@imgs_$k,$str);}}//匹配结束$str=strtr($str,$arr);preg_match_all(/(.*)/ius,$str,$a);$a=$a[1];$c=array_count_values($a);if($c){$kk=0;foreach($c as $k=>$v){if($v){if($kk$v=$v-1;}$str=preg_replace(/.$this->replace_quote($k)./i,str_replace(#,,strip_tags($k)),$str,$v);}$kk++;}}//还原图片跟链接if($links[1]){foreach($links[1] as $k=>$v){$str=str_replace(@links_$k,$v,$str);}}if($imgs[1]){foreach($imgs[1] as $k=>$v){$str=str_replace(@imgs_$k,$v,$str);}}return $str;}function replace_quote($str){
$str=preg_quote($str);$str=str_replace(/,\/,$str);return $str;}
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