deprecated_constructor_trigger_error

Filters whether to trigger an error for deprecated functions.

Description

apply_filters( 'deprecated_constructor_trigger_error', (bool) $true ); 

'WP_DEBUG' must be true in addition to the filter evaluating to true.

Parameters (1)

0. $true (bool) => true
Whether to trigger the error for deprecated functions. Default true.

Usage

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

Defined (1)

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

/wp-includes/functions.php  
  1. if ( WP_DEBUG && apply_filters( 'deprecated_constructor_trigger_error', true ) ) {