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<?php
function getstr($string, $length) {
$string = trim($string);
if($length && strlen($string) > $length + 13){ //在此处自己做好判断 ,
$str = substr($string,0,$length);
$str2 = substr($string,-10);
return trim($str."...".$str2);
}else{
return $string;
}
}
$url = "http://www.google.com.hk/webhp?hl=zh-CN&newwindow=1&safe=strict&btnG=Google+%E6%90%9C%E7%B4%A2&aq=f&aqi=&oq=&gs_rfai";
$num = 20;
$str = getstr($url,$num);
echo $str;
?>