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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 |
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21 |
|
22 | <?php |
23 | /** |
24 | * Allow child themes and plugins to filter the display of the categories in the entry header. |
25 | * |
26 | * @since Twenty Twenty 1.0 |
27 | * |
28 | * @param bool Whether to show the categories in header, Default true. |
29 | */ |
30 | $show_categories = apply_filters( 'twentytwenty_show_categories_in_entry_header', true ); |
31 |
|
32 | if ( true === $show_categories && has_category() ) { |
33 | ?> |
34 |
|
35 | <div class="entry-categories"> |
36 | <span class="screen-reader-text"><?php _e( 'Categories', 'twentytwenty' ); ?></span> |
37 | <div class="entry-categories-inner"> |
38 | <?php the_category( ' ' ); ?> |
39 | </div><!-- .entry-categories-inner --> |