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
2392           if ( !$q['suppress_filters'] ) {
2393                /**
2394                 * Filters the WHERE clause of the query.
2395                 *
2396                 * @since 1.5.0
2397                 *
2398                 * @param string   $where The WHERE clause of the query.
2399                 * @param WP_Query &$this The WP_Query instance (passed by reference).
2400                 */
2401                $where = apply_filters_ref_array( 'posts_where', array( $where, &$this ) );
2402
2403                /**
2404                 * Filters the JOIN clause of the query.
2405                 *
2406                 * @since 1.5.0
2407                 *
2408                 * @param string   $where The JOIN clause of the query.
2409                 * @param WP_Query &$this The WP_Query instance (passed by reference).
2410                 */