Source View: posts_where

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Understanding Source Code

The best way to understand what a hook does is to look at where it occurs in the source code.

  • Action hooks look like this: do_action( "hook_name" )
  • Filter hooks look like this: apply_filters( "hook_name", "what_to_filter" ).

Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.

Source View

Line Code
2367           if ( !$q['suppress_filters'] ) {
2368                /**
2369                 * Filters the WHERE clause of the query.
2370                 *
2371                 * @since 1.5.0
2372                 *
2373                 * @param string   $where The WHERE clause of the query.
2374                 * @param WP_Query $this The WP_Query instance (passed by reference).
2375                 */
2376                $where = apply_filters_ref_array( 'posts_where', array( $where, &$this ) );
2377
2378                /**
2379                 * Filters the JOIN clause of the query.
2380                 *
2381                 * @since 1.5.0
2382                 *
2383                 * @param string   $join  The JOIN clause of the query.
2384                 * @param WP_Query $this The WP_Query instance (passed by reference).
2385                 */