Title: PHP Notice | PHP Warning
Last modified: July 9, 2020

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# PHP Notice | PHP Warning

 *  [GROVLY](https://wordpress.org/support/users/sahilkumargaba/)
 * (@sahilkumargaba)
 * [5 years, 10 months ago](https://wordpress.org/support/topic/php-notice-php-warning/)
 * Hello Support Team,
 * Please check the issue and let us know how to resolve this as it is affecting
   our server with heavy load. Our server team notify us 2 times regarding this 
   issue.
 * Version 3.1.03
 *     ```
       [09-Jul-2020 14:28:30 UTC] PHP Notice:  Only variables should be passed by reference in /home2/public_html/wp-content/plugins/download-manager/wpdm-start-download.php on line 129
       [09-Jul-2020 14:28:30 UTC] PHP Warning:  Cannot modify header information - headers already sent by (output started at /home2/public_html/wp-content/plugins/download-manager/wpdm-start-download.php:129) in /home2/public_html/wp-content/plugins/download-manager/libs/class.FileSystem.php on line 197
       [09-Jul-2020 14:28:30 UTC] PHP Warning:  Cannot modify header information - headers already sent by (output started at /home2/public_html/wp-content/plugins/download-manager/wpdm-start-download.php:129) in /home2/public_html/wp-content/plugins/download-manager/libs/class.FileSystem.php on line 198
       [09-Jul-2020 14:28:30 UTC] PHP Warning:  Cannot modify header information - headers already sent by (output started at /home2/public_html/wp-content/plugins/download-manager/wpdm-start-download.php:129) in /home2/public_html/wp-content/plugins/download-manager/libs/class.FileSystem.php on line 199
       [09-Jul-2020 14:28:30 UTC] PHP Warning:  Cannot modify header information - headers already sent by (output started at /home2/public_html/wp-content/plugins/download-manager/wpdm-start-download.php:129) in /home2/public_html/wp-content/plugins/download-manager/libs/class.FileSystem.php on line 200
       [09-Jul-2020 14:28:30 UTC] PHP Warning:  Cannot modify header information - headers already sent by (output started at /home2/public_html/wp-content/plugins/download-manager/wpdm-start-download.php:129) in /home2/public_html/wp-content/plugins/download-manager/libs/class.FileSystem.php on line 201
       [09-Jul-2020 14:28:30 UTC] PHP Warning:  Cannot modify header information - headers already sent by (output started at /home2/public_html/wp-content/plugins/download-manager/wpdm-start-download.php:129) in /home2/public_html/wp-content/plugins/download-manager/libs/class.FileSystem.php on line 202
       [09-Jul-2020 14:28:30 UTC] PHP Warning:  Cannot modify header information - headers already sent by (output started at /home2/public_html/wp-content/plugins/download-manager/wpdm-start-download.php:129) in /home2/public_html/wp-content/plugins/download-manager/libs/class.FileSystem.php on line 203
       [09-Jul-2020 14:46:55 UTC] PHP Notice:  A non well formed numeric value encountered in /home2/public_html/wp-content/plugins/download-manager/libs/class.DownloadStats.php on line 38
       [09-Jul-2020 14:48:03 UTC] PHP Notice:  A non well formed numeric value encountered in /home2/public_html/wp-content/plugins/download-manager/libs/class.DownloadStats.php on line 38
       [09-Jul-2020 14:48:19 UTC] PHP Notice:  A non well formed numeric value encountered in /home2/public_html/wp-content/plugins/download-manager/libs/class.DownloadStats.php on line 38
       [09-Jul-2020 14:59:25 UTC] PHP Notice:  A non well formed numeric value encountered in /home2/public_html/wp-content/plugins/download-manager/libs/class.DownloadStats.php on line 38
       [09-Jul-2020 15:16:38 UTC] PHP Notice:  A non well formed numeric value encountered in /home2/public_html/wp-content/plugins/download-manager/libs/class.DownloadStats.php on line 38
       [09-Jul-2020 15:16:53 UTC] PHP Notice:  A non well formed numeric value encountered in /home2/public_html/wp-content/plugins/download-manager/libs/class.DownloadStats.php on line 38
       ```
   
    -  This topic was modified 5 years, 10 months ago by [Jan Dembowski](https://wordpress.org/support/users/jdembowski/).
      Reason: Formatting

Viewing 2 replies - 1 through 2 (of 2 total)

 *  Plugin Support [Nayeem Hyder](https://wordpress.org/support/users/nriddhi/)
 * (@nriddhi)
 * [5 years, 10 months ago](https://wordpress.org/support/topic/php-notice-php-warning/#post-13106297)
 * Are you using the updated PHP version? which version you are using? let us know
 * Thanks.
 *  [debra15](https://wordpress.org/support/users/debra15/)
 * (@debra15)
 * [5 years, 7 months ago](https://wordpress.org/support/topic/php-notice-php-warning/#post-13432342)
 * I got the same error：PHP Notice: A non well formed numeric value encountered
   in //wp-content/plugins/download-manager/libs/class.DownloadStats.php on line
   38
    I am using PHP Version 7.3.21. and WordPress Download Manager is Version 
   3.1.09
    -  This reply was modified 5 years, 7 months ago by [debra15](https://wordpress.org/support/users/debra15/).

Viewing 2 replies - 1 through 2 (of 2 total)

The topic ‘PHP Notice | PHP Warning’ is closed to new replies.

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 * 2 replies
 * 3 participants
 * Last reply from: [debra15](https://wordpress.org/support/users/debra15/)
 * Last activity: [5 years, 7 months ago](https://wordpress.org/support/topic/php-notice-php-warning/#post-13432342)
 * Status: not resolved