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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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202 | * @uses apply_filters() Calls 'get_comment_author_url' hook on the comment author's URL |
203 | * |
204 | * @param int $comment_ID The ID of the comment for which to get the author's URL. Optional. |
205 | * @return string |
206 | */ |
207 | function get_comment_author_url( $comment_ID = 0 ) { |
208 | $comment = get_comment( $comment_ID ); |
209 | $url = ('http://' == $comment->comment_author_url) ? '' : $comment->comment_author_url; |
210 | $url = esc_url( $url, array('http', 'https') ); |
211 | return apply_filters('get_comment_author_url', $url); |
212 | } |
213 |
|
214 | /** |
215 | * Display the url of the author of the current comment. |
216 | * |
217 | * @since 0.71 |
218 | * @uses apply_filters() |
219 | * @uses get_comment_author_url() Retrieves the comment author's URL |
220 | * |