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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 | function get_comment_author_url_link( $linktext = '', $before = '', $after = '' ) { |
| 194 | $url = get_comment_author_url(); |
| 195 | $display = ($linktext != '') ? $linktext : $url; |
| 196 | $display = str_replace( 'http://www.', '', $display ); |
| 197 | $display = str_replace( 'http://', '', $display ); |
| 198 | if ( '/' == substr($display, -1) ) |
| 199 | $display = substr($display, 0, -1); |
| 200 | $return = "$before<a href='$url' rel='external'>$display</a>$after"; |
| 201 | return apply_filters('get_comment_author_url_link', $return); |
| 202 | } |
| 203 | |
| 204 | /** |
| 205 | * comment_author_url_link() - Displays the HTML link of the url of the author of the current comment |
| 206 | * |
| 207 | * @since 0.71 |
| 208 | * @see get_comment_author_url_link() Echos result |
| 209 | * |
| 210 | * @param string $linktext The text to display instead of the comment author's email address |