wpcf7_form_id_attr

The Contact Form 7 wpcf7 form id attr hook.

Description

apply_filters( 'wpcf7_form_id_attr', (unknown) $preg_replace ); 

Parameters (1)

0. $preg_replace (unknown) => preg_replace( '/[^A-Za-z0-9:._-]/', '', $args['html_id'] )
The preg replace.

Usage

To run the hook, copy the example below.
  1. $preg_replace = apply_filters( 'wpcf7_form_id_attr', $preg_replace ); 
  2.  
  3. if ( !empty( $preg_replace ) ) { 
  4.  
  5. // everything has led up to this point... 
  6.  
  7.  
The following example is for adding a hook callback.
  1. // define the wpcf7_form_id_attr callback 
  2. function filter_wpcf7_form_id_attr( $preg_replace ) { 
  3. // make filter magic happen here... 
  4. return $preg_replace
  5. }; 
  6.  
  7. // add the filter 
  8. add_filter( 'wpcf7_form_id_attr', 'filter_wpcf7_form_id_attr', 10, 1 ); 
To remove a hook callback, use the example below.
  1. // remove the filter 
  2. remove_filter( 'wpcf7_form_id_attr', 'filter_wpcf7_form_id_attr', 10, 1 ); 

Defined (1)

The filter is defined in the following location(s).

/includes/contact-form.php  
  1. $id_attr = apply_filters( 'wpcf7_form_id_attr',