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Source View: dbdelta_insert_queries

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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
1475           } else if (preg_match("|INSERT INTO ([^ ]*)|", $qry, $matches)) {
1476                $iqueries[] = $qry;
1477           } else if (preg_match("|UPDATE ([^ ]*)|", $qry, $matches)) {
1478                $iqueries[] = $qry;
1479           } else {
1480                // Unrecognized query type
1481           }
1482      }
1483      $cqueries = apply_filters( 'dbdelta_create_queries', $cqueries );
1484      $iqueries = apply_filters( 'dbdelta_insert_queries', $iqueries );
1485
1486      $global_tables = $wpdb->tables( 'global' );
1487      foreach ( $cqueries as $table => $qry ) {
1488           // Upgrade global tables only for the main site. Don't upgrade at all if DO_NOT_UPGRADE_GLOBAL_TABLES is defined.
1489           if ( in_array( $table, $global_tables ) && ( !is_main_site() || defined( 'DO_NOT_UPGRADE_GLOBAL_TABLES' ) ) )
1490                continue;
1491
1492           // Fetch the table column structure from the database
1493           $wpdb->suppress_errors();