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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 |
---|---|
570 | <?php |
571 | /** |
572 | * Fires immediately following the closing "actions" div in the tablenav for the posts |
573 | * list table. |
574 | * |
575 | * @since 4.4.0 |
576 | * |
577 | * @param string $which The location of the extra table nav markup: 'top' or 'bottom'. |
578 | */ |
579 | do_action( 'manage_posts_extra_tablenav', $which ); |
580 | } |
581 |
|
582 | /** |
583 | * @return string |
584 | */ |
585 | public function current_action() { |
586 | if ( isset( $_REQUEST['delete_all'] ) || isset( $_REQUEST['delete_all2'] ) ) { |
587 | return 'delete_all'; |
588 | } |