What is the significance of the "enctype" attribute in a file upload form in PHP?

The "enctype" attribute in a file upload form in PHP is significant because it specifies how the form data should be encoded before sending it to the server. When uploading files, the enctype attribute should be set to "multipart/form-data" to allow the form to handle file uploads correctly. Failure to set the enctype attribute correctly can result in the server not being able to process the uploaded files. 

<form action="upload.php" method="post" enctype="multipart/form-data">
    <input type="file" name="file">
    <input type="submit" value="Upload File">
</form>

Keywords

PHP enctype attribute file upload form multipart/form-data $_FILES array

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