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A Sample PHP Script for uplaoding Files to a Server

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Here is a PHP script that can be used to upload files to a server:

<html>
<body><form action=”upload_file.php” method=”post”
enctype=”multipart/form-data”>
<label for=”file”>Filename:</label>
<input type=”file” name=”file” id=”file” />
<br />
<input type=”submit” name=”submit” value=”Submit” />
</form>

</body>
</html>

The above HTML form calls a PHP script named upload_file.php. Here are the contents for upload_file.php.

<?php
if (($_FILES[“file”][“type”] == “image/gif”)
|| ($_FILES[“file”][“type”] == “image/jpeg”)
|| ($_FILES[“file”][“type”] == “image/pjpeg”)
&& ($_FILES[“file”][“size”] < 20000))
{
if ($_FILES[“file”][“error”] > 0)
{
echo “Return Code: ” . $_FILES[“file”][“error”] . “<br />”;
}
else
{
echo “Upload: ” . $_FILES[“file”][“name”] . “<br />”;
echo “Type: ” . $_FILES[“file”][“type”] . “<br />”;
echo “Size: ” . ($_FILES[“file”][“size”] / 1024) . ” Kb<br />”;
echo “Temp file: ” . $_FILES[“file”][“tmp_name”] . “<br />”;if (file_exists(“upload/” . $_FILES[“file”][“name”]))
{
echo $_FILES[“file”][“name”] . ” already exists. “;
}
else
{
move_uploaded_file($_FILES[“file”][“tmp_name”],
“upload/” . $_FILES[“file”][“name”]);
echo “Stored in: ” . “upload/” . $_FILES[“file”][“name”];
}
}
}
else
{
echo “Invalid file”;
}
?>

The above script saves the uploaded file into a folder called upload and then prints a description about the uploaded file. Please remember to provide write permission for the upload folder for all users.

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