Title: PHP warnings when using variables
Last modified: August 22, 2016

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# PHP warnings when using variables

 *  [atomizer](https://wordpress.org/support/users/atomizer/)
 * (@atomizer)
 * [11 years, 3 months ago](https://wordpress.org/support/topic/php-warnings-when-using-variables/)
 * if i use a variable in a php block it works fine but i’m getting php notices 
   if i enable php debugging…
 * `PHP Notice: Use of undefined constant ttx - assumed 'ttx' in /home/bytesorg/
   public_html/wp-content/plugins/global-content-blocks/global-content-blocks.php(
   322) : eval()'d code on line 1`
 * sample php block…
 *     ```
       $str = file_get_contents('/home/user/public_files/apps/' . %%appdir%% . '/changelog.txt');
       if($str) {
         $str = nl2br($str);
       } else {
         $str = 'No change log is available';
       }
       echo $str;
       ```
   
 * sample short-code…
    `[contentblock id=16 appdir="ttx"]`
 * since this is only a php ‘notice’, i suspect it’s nothing to worry about, but
   i just want to be sure
 * [https://wordpress.org/plugins/global-content-blocks/](https://wordpress.org/plugins/global-content-blocks/)

The topic ‘PHP warnings when using variables’ is closed to new replies.

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 * 0 replies
 * 1 participant
 * Last reply from: [atomizer](https://wordpress.org/support/users/atomizer/)
 * Last activity: [11 years, 3 months ago](https://wordpress.org/support/topic/php-warnings-when-using-variables/)
 * Status: not resolved