通过用户名获得用户的ID

?php

//通过用户名获得用户ID

function nametext($name){

$str = strstr($name,"'");

if($str){return}//过滤'号,防止注入

$db = MySql::getInstance();

$sql = "SELECT * FROM " . DB_PREFIX . "user WHERE username='".$name."' or nickname='".$name."'";

$strs = $db->query($sql);

while($row = $db->fetch_array($strs)){

$str= $row['uid'];

//$str = print_r($str);

}

return $str;

}

?>