html - send attachments and data in form in an email with php -

this php code

and html form below want data name , email, phone number fields , file attachment.

now tried file attached ( without other information entered) in live server environment getting , attachment in mail different format (like have send word doc word file in dat format doesn't display data in word file)

<?php     if(isset($_post['submit']))     {          //the form has been submitted, prep nice thank message         $output = '<h1>thanks file , message!</h1>';         //set form flag no display (cheap way!)         $flags = 'style="display:none;"';          //deal email         $to = 'xxxx@gmail.com';         $subject = 'details , file attachments ';          $message = strip_tags($_post['message']);         $attachment = (file_get_contents($_files['file']['tmp_name']));         $filename = $_files['file']['name'];          $boundary =md5(date('r', time()));           $headers = "from: xxxxxx@gmail.com\r\nreply-to: xxxxxxx@gmail.com";         $headers .= "\r\nmime-version: 1.0\r\ncontent-type: multipart/mixed; boundary=\"_1_$boundary\"";          $message="this multi-part message in mime format.  --_1_$boundary content-type: multipart/alternative; boundary=\"_2_$boundary\"  --_2_$boundary content-type: text/plain; charset=\"iso-8859-1\" content-transfer-encoding: 7bit  $message  --_2_$boundary-- --_1_$boundary content-type: application/octet-stream; name=\"$filename\"  content-transfer-encoding: base64  content-disposition: attachment   $attachment --_1_$boundary--";          mail($to, $subject, $message, $headers);     } ?> 

this html file suggest me how modify code getting values of other field email

    <td height="12"> <?php echo $output; ?> <form enctype="multipart/form-data" action="<?php echo $_server['php_self'];?>" method="post" <?php echo $flags;?>>             <fieldset>                 <legend>submit interest</legend>                 <p><label class="title" for="name">your name:</label>                      <input type="text" name="name" id="name"><br /></p>                 <p>  <label class="title" for="email">your email:</label>                      <input type="text" name="email" id="email"></p>                 <p>  <label class="title" for="phone">your phone:</label>                      <input type="number" name="phone" id="phone"></p>                 <p><label for="location" class="title">total experience :</label>                      <select name="location" id="location">                          <option value="ny">1</option>                          <option value="il">2</option>                          <option value="ca">3+</option>                      </select></p>                 <span class="title">upload resume</span>                 <input type="file" name="resume" />                  </p>             </fieldset>         <div><input type="submit" name="submit" id="submit" value="send"></div>         </form></td> 

content-transfer-encoding: base64  

your headers saying data in base64 format, actual content raw binary. try using base64_encode($attachment) before including body.

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that said, please don't manually. library take care of has been mentioned in comments.