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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 |
|---|---|
| 230 | return apply_filters('get_comment_author_url_link', $return); |
| 231 | } |
| 232 | |
| 233 | function comment_author_url_link( $linktext = '', $before = '', $after = '' ) { |
| 234 | echo get_comment_author_url_link( $linktext, $before, $after ); |
| 235 | } |
| 236 | |
| 237 | function get_comment_author_IP() { |
| 238 | global $comment; |
| 239 | return apply_filters('get_comment_author_IP', $comment->comment_author_IP); |
| 240 | } |
| 241 | |
| 242 | function comment_author_IP() { |
| 243 | echo get_comment_author_IP(); |
| 244 | } |
| 245 | |
| 246 | function get_comment_text() { |
| 247 | global $comment; |
| 248 | return apply_filters('get_comment_text', $comment->comment_content); |