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To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
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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5 | * @package WordPress |
6 | * @subpackage Twenty_Nineteen |
7 | * @since Twenty Nineteen 1.5 |
8 | */ |
9 |
|
10 | /** |
11 | * Determines if post thumbnail can be displayed. |
12 | */ |
13 | function twentynineteen_can_show_post_thumbnail() { |
14 | return apply_filters( 'twentynineteen_can_show_post_thumbnail', ! post_password_required() && ! is_attachment() && has_post_thumbnail() ); |
15 | } |
16 |
|
17 | /** |
18 | * Returns true if image filters are enabled on the theme options. |
19 | */ |
20 | function twentynineteen_image_filters_enabled() { |
21 | return 0 !== get_theme_mod( 'image_filter', 1 ); |
22 | } |
23 |
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