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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 |
---|---|
100 | * |
101 | * The dynamic portion of the hook name, `$screen`, refers to the current screen ID. |
102 | * |
103 | * @since 4.7.0 |
104 | * |
105 | * @param string $redirect_url The redirect URL. |
106 | * @param string $doaction The action being taken. |
107 | * @param array $items The items to take the action on. |
108 | */ |
109 | $redirect_to = apply_filters( "handle_bulk_actions-{$screen}", $redirect_to, $doaction, $comment_ids ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores |
110 | } |
111 |
|
112 | wp_defer_comment_counting( false ); |
113 |
|
114 | if ( $approved ) { |
115 | $redirect_to = add_query_arg( 'approved', $approved, $redirect_to ); |
116 | } |
117 | if ( $unapproved ) { |
118 | $redirect_to = add_query_arg( 'unapproved', $unapproved, $redirect_to ); |