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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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168 | * The value of the requested user metadata. |
169 | * |
170 | * The filter name is dynamic and depends on the $field parameter of the function. |
171 | * |
172 | * @since 2.8.0 |
173 | * |
174 | * @param string $author_meta The value of the metadata. |
175 | * @param int $user_id The user ID. |
176 | */ |
177 | echo apply_filters( "the_author_{$field}", $author_meta, $user_id ); |
178 | } |
179 |
|
180 | /** |
181 | * Retrieve either author's link or author's name. |
182 | * |
183 | * If the author has a home page set, return an HTML link, otherwise just return the |
184 | * author's name. |
185 | * |
186 | * @since 3.0.0 |