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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )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.
| Line | Code |
|---|---|
| 597 | |
| 598 | /** |
| 599 | * Filters to short-circuit performing the months dropdown query. |
| 600 | * |
| 601 | * @since 5.7.0 |
| 602 | * |
| 603 | * @param object[]|false $months 'Months' drop-down results. Default false. |
| 604 | * @param string $post_type The post type. |
| 605 | */ |
| 606 | $months = apply_filters( 'pre_months_dropdown_query', false, $post_type ); |
| 607 | |
| 608 | if ( ! is_array( $months ) ) { |
| 609 | $extra_checks = "AND post_status != 'auto-draft'"; |
| 610 | if ( ! isset( $_GET['post_status'] ) || 'trash' !== $_GET['post_status'] ) { |
| 611 | $extra_checks .= " AND post_status != 'trash'"; |
| 612 | } elseif ( isset( $_GET['post_status'] ) ) { |
| 613 | $extra_checks = $wpdb->prepare( ' AND post_status = %s', $_GET['post_status'] ); |
| 614 | } |
| 615 | |