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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 |
---|---|
192 |
|
193 | /** |
194 | * Filter the comment author's link for display. |
195 | * |
196 | * @since 1.5.0 |
197 | * |
198 | * @param string $return The HTML-formatted comment author link. |
199 | * Empty for an invalid URL. |
200 | */ |
201 | return apply_filters( 'get_comment_author_link', $return ); |
202 | } |
203 |
|
204 | /** |
205 | * Display the html link to the url of the author of the current comment. |
206 | * |
207 | * @since 0.71 |
208 | * |
209 | * @see get_comment_author_link() Echoes result |
210 | * |