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Editorial Team
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Asked: 2026-05-15T23:27:26+00:00

I have the following code sample upload3.php: <html> <head> <title>PHP Form Upload</title> </head> <body>

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I have the following code sample upload3.php:

<html>
<head>
<title>PHP Form Upload</title>
</head>
<body>

<form method='post' action='upload3.php' enctype='multipart/form-data'>
    Select a File:
    <input type='file' name='filename' size='10' />
    <input type='submit' value='Upload' />
</form>

<?php

if (isset($_POST['submit']))
{
    echo "isset submit";
}
else 
{
    echo "NOT isset submit";
}

?>

</body>
</html>

The code always returns “NOT isset submit”.
Why does this happen? Because the same script upload3.php calls itself?

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1 Answer

  1. Editorial Team

    You do not have your submit button named:
    Change

    <input type='submit' value='Upload' />

    To:

    <input type='submit' value='Upload' name="submit"/>
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