Question

Notice: Undefined variable: CONTENT in D:\wamp64\www\demo\index.php on line 67

<div id="content">
<?php
echo "<table>";
echo "<tr>";
echo "<td >标题";
echo "</td>";
echo "<td>";
echo "发贴人";
echo "</td>";

echo "</tr>";

$con = mysql_connect("localhost","root","pwd123");
if (!$con)
{
die('Could not connect: ' . mysql_error());
}
mysql_select_db("message", $con);
$result = mysql_query("SELECT * FROM news where isTrue=1");
while($row = mysql_fetch_row($result))
{
$title=$row[1];
if(strlen($content)>10)/*第67行*/
{
$title= substr($title,0,10)."...";
}

echo "<tr><td><a href='content.php?id=$row[0]'>$title</a></td>
<td>$row[5]</td>
</tr>";

}

mysql_close($con);
echo "</table>";
?>

</div>

Answer 1

意思是 变量 $CONTENT 没有定义
要定义了才能使用