Title: Constant or function,it is a problem.
Last modified: August 21, 2016

---

# Constant or function,it is a problem.

 *  [suifengtec](https://wordpress.org/support/users/suifengtec/)
 * (@suifengtec)
 * [12 years, 3 months ago](https://wordpress.org/support/topic/constant-or-functionit-is-a-problem/)
 * Howdies!
 *     ```
       define('XXX_PLUGIN_XXX_URL',plugin_dir_url( __FILE__ ));
       add_filter('the_conrtent','my_function');
       function my_function($content){
       $img=XXX_PLUGIN_XXX_URL.'img/img/png';
       $content.=.....
       return $content;
       }
       ```
   
 * and
 *     ```
       add_fliter('the_content', 'my_function')
       function my_function($content){
       $img=plugin_dir_url( __FILE__ ).'img/img.png';
       $content.=......
       return $content;
       }
       ```
   
 * Which will better？
    Thanks!

The topic ‘Constant or function,it is a problem.’ is closed to new replies.

## Tags

 * [constant](https://wordpress.org/support/topic-tag/constant/)
 * [function](https://wordpress.org/support/topic-tag/function/)

 * 0 replies
 * 1 participant
 * Last reply from: [suifengtec](https://wordpress.org/support/users/suifengtec/)
 * Last activity: [12 years, 3 months ago](https://wordpress.org/support/topic/constant-or-functionit-is-a-problem/)
 * Status: not resolved

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