query

Filters the database query.

Description

apply_filters( 'query', (string) $query ); 

Some queries are made before the plugins have been loaded, and thus cannot be filtered with this method.

Parameters (1)

0. $query (string)
Database query.

Usage

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

Defined (1)

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

/wp-includes/wp-db.php  
  1. $query = apply_filters( 'query', $query );