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prevent injections


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I have an admin section for my client to edit his pages using TinyMCE. When he edits and saves changes do I need to use


for my variables like this:

if (isset ($_POST['editContent']))   {
require ("connections/dbconn.php");
$content = mysqli_real_escape_string($_POST['content']);
    $id = mysqli_real_escape_string($_POST['id']);
$sql = "UPDATE pages SET content='$content' WHERE id='$id'";
$result = $conn->query($sql) or die (mysqli_error());
if ($result){




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It depends on the type of login system your using.  It is almost always better to over check user sessions, cookies, and any other data that you want secure.


If your allowing anyone to enter this data then it should be fine, but if you don't want annoying spam bots entering data or any random person you need other checks because you don't have to worry about just injection.  You have to worry about information you don't want pasted all over your site.

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