jquery - PHP input type file field being submitted, file isnt -


i have following form.

<form action="picture.php" method="post" class="pic_form"> <span class="picture_box"> <input type="file" accept="image/*" name="pic_upload" class="picture_upload_input" /> <p class="upload_info">only file types of extensions gif, jpg, png , svg allowed. maximum file size 15mb. if file larger 15mb, not upload.</p> </span> <input type="hidden" name="uid" value="<?php echo $_session['userid']; ?>" /> <input type="button" name="upload_button" value="upload" class="upload_button" /> </form>

i validate file set , it's of correct type , size using jquery. when submit form (using jquery), field posted

$_post['pic_upload']

this returns true.

however, file isn't posted

$_files['custom_pic_upload']

this returns false , 

var_dump($_files['custom_pic_upload']);

returns null.

how make file upload?

your form needs attribute enctype, https://developer.mozilla.org/en-us/docs/web/html/element/form.

multipart/form-data: value used element type attribute set "file".

<form action="picture.php" method="post" class="pic_form" enctype="multipart/form-data"> <span class="picture_box"> <input type="file" accept="image/*" name="pic_upload" class="picture_upload_input" /> <p class="upload_info">only file types of extensions gif, jpg, png , svg allowed. maximum file size 15mb. if file larger 15mb, not upload.</p> </span> <input type="hidden" name="uid" value="<?php echo $_session['userid']; ?>" /> <input type="submit" name="upload_button" value="upload" class="upload_button" /> </form> <script type='text/javascript'>  $('.upload_button').click(function(){      var upload_ver_val = $('.picture_upload_input').val();      if (upload_ver_val == '') {          alert("please upload image!");         return false;     } else {         var ext = $('.picture_upload_input').val().split('.').pop().tolowercase();          if($.inarray(ext, ['gif','png','jpg','jpeg','svg']) == -1) {             alert('only file types of extensions; gif, jpg, png , svg allowed!');             return false;         } else {              $('.prof_pic_form').submit();          }      }  }); </script>

other threads on topic , tutorial.

what enctype='multipart/form-data' mean?
http://www.tizag.com/phpt/fileupload.php

also name of php value name attribute, not class, pic_upload.


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