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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 |
---|---|
100 |
|
101 | /** |
102 | * Determines if post thumbnail can be displayed. |
103 | * |
104 | * @since Twenty Twenty-One 1.0 |
105 | * |
106 | * @return bool |
107 | */ |
108 | function twenty_twenty_one_can_show_post_thumbnail() { |
109 | return apply_filters( |
110 | 'twenty_twenty_one_can_show_post_thumbnail', |
111 | ! post_password_required() && ! is_attachment() && has_post_thumbnail() |
112 | ); |
113 | } |
114 |
|
115 | /** |
116 | * Returns the size for avatars used in the theme. |
117 | * |
118 | * @since Twenty Twenty-One 1.0 |