Home > Article > Backend Development > Warning: mysql_fetch_array():_PHP教程
Warning: mysql_fetch_array():_PHP教程
- WBOYOriginal
- 2016-07-13 10:52:27793browse
Warning: mysql_fetch_array(): supplied argument is not a valid MySQL result resource in
$connect=mysql_connect("localhost","root","123") or die("Unable to connect to database".mysql_error());
mysql_select_db("cmstest") or die("Unable to select database".mysql_errno());
$sql="select * from article where pid=1";
$result=mysql_query($sql,$connect) or die("Unable to query sql statement".mysql_error());
$nums=mysql_num_rows($result);
echo "nums is:".$nums;
while($res=mysql_fetch_array($result)){
echo $res[0];
}
It turns out that $result is repeated.
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
Previous article：Call to undefined function php()_PHP TutorialNext article：Call to undefined function php()_PHP Tutorial