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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 |
---|---|
153 | * get_comment_author_url() - Returns the url of the author of the current comment |
154 | * |
155 | * @since 1.5 |
156 | * @uses apply_filters() Calls 'get_comment_author_url' hook on the comment author's URL |
157 | * |
158 | * @return string |
159 | */ |
160 | function get_comment_author_url() { |
161 | global $comment; |
162 | return apply_filters('get_comment_author_url', $comment->comment_author_url); |
163 | } |
164 |
|
165 | /** |
166 | * comment_author_url() - Display the url of the author of the current comment |
167 | * |
168 | * @since 0.71 |
169 | * @uses apply_filters() |
170 | * @uses get_comment_author_url() Retrieves the comment author's URL |
171 | */ |