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

Jun 13, 2016 pm 12:31 PM
mysqli name nbsp object stmt

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 />
Copy after login

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

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