Title: Function overriding
Last modified: August 21, 2016

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# Function overriding

 *  [rkaunas](https://wordpress.org/support/users/rkaunas/)
 * (@rkaunas)
 * [13 years ago](https://wordpress.org/support/topic/function-overriding/)
 * Hi,
 * i like your plugin very much. Thank you for it.
 * I have a little problem – contact form is sending empty tags to email:
 *     ```
       [cargo-desc-title][cargo-desc][cargo-volume-title][cargo-volume][cargo-weight-title][cargo-weight][cargo-kg]<br/>
        [cargo-desc-title_1][cargo-desc_1][cargo-volume-title_1][cargo-volume_1][cargo-weight-title_1][cargo-weight_1][cargo-kg_1]<br/>
        [cargo-desc-title_2][cargo-desc_2][cargo-volume-title_2][cargo-volume_2][cargo-weight-title_2][cargo-weight_2][cargo-kg_2]<br/>
       ```
   
 * I need tags to be send only if they are filled from inputs – else they are blank
   and not sending. I found that in contact-form-7/includes/classes.php is function
   mail_callback. If i commentout “return special” – everythink works as i want,
   but when update will come – it will collapse.
 * So, is it possible to overrite function, that is in class “WPCF7_ContactForm”?
   What solution would you suggest?
 * [http://wordpress.org/extend/plugins/contact-form-7/](http://wordpress.org/extend/plugins/contact-form-7/)
 * _[[No bumping](http://codex.wordpress.org/Forum_Welcome#No_Bumping). If it’s 
   that urgent, consider [hiring someone](http://jobs.wordpress.net/).]_

The topic ‘Function overriding’ is closed to new replies.

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 * 0 replies
 * 1 participant
 * Last reply from: [rkaunas](https://wordpress.org/support/users/rkaunas/)
 * Last activity: [13 years ago](https://wordpress.org/support/topic/function-overriding/)
 * Status: not resolved