php、javascript隱藏手機號函數
阿新 • • 發佈:2018-07-31
oot pre hid 位數 join urn fun () length php:
a. 代碼:
javascript:
a. 代碼:
a. 代碼:
/* * @desc:隱藏手機號 * @param:tel 手機號,如:13987654321 * @param:num 隱藏的位數,默認4位 * @return ret 回顯的手機號,如:139xxxx4321 */ function hidetel($tel,$num = 4){ $len = mb_strlen($tel); $start = floor(($len - $num) / 2); $end = ceil(($len - $num) / 2); $head = mb_substr($tel,0,$start); $body = str_repeat(‘x‘,$num); $foot = mb_substr($tel,($start + $num),$end); $ret = $head.‘‘.$body.‘‘.$foot; return $ret; }
b. 測試:
$ret = hidetel(13987654321);
var_dump($ret);
c. 輸出:
string(11) "139xxxx4321"
a. 代碼:
/* * @desc:隱藏手機號 * @param:tel 手機號,如:13987654321 * @param:num 隱藏的位數,默認4位 * @return ret 回顯的手機號,如:139xxxx4321 */ function hidetel(tel,num = 4){ tel = tel.toString() var len = tel.length var start = Math.floor((len - num) / 2) var end = Math.ceil((len - num) / 2) var head = tel.slice(0,start) var arr = new Array(num + 1) var body = arr.join(‘x‘) var foot = tel.slice((start + num),len) var ret = head+‘‘+body+‘‘+foot return ret }
b. 測試:
var ret = hidetel(13987654321)
console.log(ret)
c. 輸出:
139xxxx4321
php、javascript隱藏手機號函數