Title: plugin causes: Undefined variable: column_name in upload.php
Last modified: August 19, 2016

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# plugin causes: Undefined variable: column_name in upload.php

 *  [paka](https://wordpress.org/support/users/paka/)
 * (@paka)
 * [15 years, 4 months ago](https://wordpress.org/support/topic/plugin-causes-undefined-variable-column_name-in-uploadphp/)
 * Hello,
 * I wrote a plugin to upload files from the frontend. To all files uploded with
   the plugin i get the message:
    Notice: Undefined variable: column_name in myPath\
   wp-admin\upload.php on line 439 On line 439 there is: `<?php if ( '0000-00-00
   00:00:00' == $post->post_date && 'date' == $column_name )` This is the first 
   time, that $column_name occours in the file upload.php, so I don’t know, where
   to start looking for the error.
 * Perhaps someone knows, where I have to look, or where the variable $column_name
   comes from.
 * Thanks Paka

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 * In: [Hacks](https://wordpress.org/support/forum/plugins-and-hacks/hacks/)
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 * Last reply from: [paka](https://wordpress.org/support/users/paka/)
 * Last activity: [15 years, 4 months ago](https://wordpress.org/support/topic/plugin-causes-undefined-variable-column_name-in-uploadphp/)
 * Status: not resolved

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