Email attachment in PHP?

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I have a page with "File" html input field and a "Submit" button as below:\[code\]<form id="formUploadfile" name="formUploadfile" method="post" action="" class="form" enctype="multipart/form-data"> <label for="name"><strong>File</strong></label> <input type="file" name="uploaded_file" size="35" /> <button type="submit" class="btn_common" id="inquiry_submit" name="inquiry_submit"> Submit </button> </form>\[/code\]I want to send the selected file to a pre-defined email address. In PHP, Do I need to upload the file to my server first before sending it as an attachment email? Or without uploading it to server, it will work.I Googled but didn't find the answer of above question, please help. If anyone have a code for the same purpose, please provide link.Thanks