TaoLer/extend/taoler/com/Str.php
2021-03-11 17:25:42 +08:00

28 lines
618 B
PHP

<?php
namespace taoler\com;
class Str
{
// 隐藏部分字符串
public static function func_substr_replace($str, $replacement = '*', $start = 5, $length = 30)
{
$len = mb_strlen($str,'utf-8');
if ($len > intval($start+$length)) {
$str1 = mb_substr($str,0,$start,'utf-8');
$str2 = mb_substr($str,intval($start+$length),NULL,'utf-8');
} else {
$str1 = mb_substr($str,0,1,'utf-8');
$str2 = mb_substr($str,$len-1,1,'utf-8');
$length = $len - 2;
}
$new_str = $str1;
for ($i = 0; $i < $length; $i++) {
$new_str .= $replacement;
}
$new_str .= $str2;
return $new_str;
}
}