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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 |