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Source View: getarchives_join

To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).

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
1240
1241      /**
1242       * Filter the SQL JOIN clause for retrieving archives.
1243       *
1244       * @since 2.2.0
1245       *
1246       * @param string $sql_join Portion of SQL query containing JOIN clause.
1247       * @param array  $r        An array of default arguments.
1248       */
1249      $join = apply_filters( 'getarchives_join', '', $r );
1250
1251      $output = '';
1252
1253      $last_changed = wp_cache_get( 'last_changed', 'posts' );
1254      if ( ! $last_changed ) {
1255           $last_changed = microtime();
1256           wp_cache_set( 'last_changed', $last_changed, 'posts' );
1257      }
1258