caldera_forms_db_meta_fields

Filter the allowed meta keys that can be saved.

Description

apply_filters( 'caldera_forms_db_meta_fields', (array) $array, (bool) $this_get_table_name_true ); 

Parameters (2)

0. $array (array) => array_keys( $this->meta_fields )
Allowed fields
1. $this_get_table_name_true (bool)
The this get table name true.

Usage

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

Defined (1)

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

/classes/db/base.php  
  1. $fields[ 'meta_fields' ] = apply_filters( 'caldera_forms_db_meta_fields', array_keys( $this->meta_fields ), $this->get_table_name( true ) );