Home >Backend Development >PHP Tutorial > 这种符号各示意啥意思

这种符号各示意啥意思

WBOY
WBOYOriginal
2016-06-13 12:31:44782browse

这种符号各表示啥意思

<?php<br />
    $mysqli=new mysqli("localhost","root","","xsphpdb");<br />
<br />
    $stmt=$mysqli->stmt_init();<br />
<br />
    var_dump($stmt);<br />
<br />
    $mysqli->close();<br />

结果是:
object(mysqli_stmt)#2 (0) { } 

其中的#2是啥意思  0又是啥意思,还有后面的花括号

Statement:
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn