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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 |
|---|---|
| 21 | |
| 22 | if ( ! empty( $attributes['displayAsDropdown'] ) ) { |
| 23 | |
| 24 | $class .= ' wp-block-archives-dropdown'; |
| 25 | |
| 26 | $dropdown_id = wp_unique_id( 'wp-block-archives-' ); |
| 27 | $title = __( 'Archives' ); |
| 28 | |
| 29 | /** This filter is documented in wp-includes/widgets/class-wp-widget-archives.php */ |
| 30 | $dropdown_args = apply_filters( |
| 31 | 'widget_archives_dropdown_args', |
| 32 | array( |
| 33 | 'type' => $type, |
| 34 | 'format' => 'option', |
| 35 | 'show_post_count' => $show_post_count, |
| 36 | ) |
| 37 | ); |
| 38 | |
| 39 | $dropdown_args['echo'] = 0; |