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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 |
|---|---|
| 2 | |
| 3 | /** |
| 4 | * Get the author of the current post in the Loop. |
| 5 | * @global object $authordata The current author's DB object. |
| 6 | * @param string $deprecated Deprecated. |
| 7 | * @return string The author's display name. |
| 8 | */ |
| 9 | function get_the_author($deprecated = '') { |
| 10 | global $authordata; |
| 11 | return apply_filters('the_author', $authordata->display_name); |
| 12 | } |
| 13 | |
| 14 | /** |
| 15 | * Echo the name of the author of the current post in the Loop. |
| 16 | * @see get_the_author() |
| 17 | * @param string $deprecated Deprecated. |
| 18 | * @param string $deprecated_echo Echo the string or return it. Deprecated, use get_the_author(). |
| 19 | * @return string The author's display name, from get_the_author(). |
| 20 | */ |